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SERVICE MANUAL
SERVICE MANUAL SECTION
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES BuiltOctober 1, 2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
Truck Model: 3200Start Date: 03/01/2002
Truck Model: 4200Start Date: 10/01/2002
Truck Model: 4300Start Date: 10/01/2002
Truck Model: 4400Start Date: 10/01/2002
Truck Model: 7300Start Date: 10/01/2002
Truck Model: 7400Start Date: 10/01/2002
Truck Model: 7500Start Date: 10/01/2002
Truck Model: 7600Start Date: 12/01/2001
Truck Model: 8500Start Date: 10/01/2002
Truck Model: 8600Start Date: 10/01/2002
S082852a
Copyright© 10/01/2002 International Truck and Engine Corporation
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
i
Table of Contents
1. INSTRUCTIONS AND CHARTS (CHAPTER 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.1. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
1.3. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.4. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.5. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.6. NAVPAK/ECM I6 ENGINE CONTROLLER CONNECTOR PIN NUMBER IDENTIFICATION, P.
6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.7. CIRCUIT DIAGRAM INSTRUCTIONS, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.8. CIRCUIT DIAGRAM INSTRUCTIONS, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
1.9. SCHEMATIC SYMBOL CHART, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1.10. RELAY FUNCTIONS, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
1.11. LAMP BULB CHART, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
1.12. NAVPAK/ECM V8–AVNT CONTROLLER CONNECTORS X3 AND X4 PIN NUMBER
IDENTIFICATION, P.12.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
2. 12 VOLT POWER DISTRIBUTION CIRCUIT DIAGRAMS (CHAPTER 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2.1. ACCESSORY, P. 1.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2.2. BATTERY FEEDS, CAB, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
2.3. BATTERY, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
2.4. 1708 DATA LINK, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
2.5. SWITCH DATA LINK, P. 5.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
2.6. DRIVETRAIN 1939 DATA LINK (CAB), P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
2.7. DRIVETRAIN 1939 DATA LINK (CHASSIS), P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
2.8. GROUNDS CHASSIS, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
2.9. GROUNDS CHASSIS, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
2.10. GROUNDS IP, P. 10.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
2.11. GROUNDS IP, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
2.12. IGNITION CAB, P. 12.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
2.13. IGNITION CAB, P. 13.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
2.14. IGNITION FEEDS, CHASSIS, P. 14.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
2.15. START, P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
3. CAB ACCESSORIES (CHAPTER 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
3.1. CIGAR LIGHTER AND POWER FEEDS, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
3.2. CB POWER, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
3.3. COMPASS AND TEMPERATURE DISPLAY, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
3.4. FRONT DOORS WINDOWS AND LOCKS (POWER), P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
3.5. CREW DOORS WINDOWS AND LOCKS (POWER), P. 5.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
3.6. HORN, DUAL ELECTRIC, P. 6.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
3.7. MIRRORS (HEATED, LIGHTED AND POWER), P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
3.8. RADIO (ENTERTAINMENT), SPEAKERS, P. 8.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
3.9. WINDSHIELD WIPER AND WASHER PUMP, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
3.10. 2–WAY RADIO, P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
3.11. SWITCH PACK, OPTIONAL GAUGE PACK, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
3.12. LIGHTED AIR SHIELD, P. 12.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
3.13. ROOF AUX. LOAD, P. 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
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2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.14. SATELLITE COMMUNICATION QUALCOMM-MCT AND IMCT SYSTEMS, P. 14. . . . . . . . . . . . . .41
3.15. SELF CONTAINED AIR SEAT, P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.16. DIGITAL CLOCK PTC, P. 16.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.17. TRANSMISSION ALLISON LCT COLUMN SHIFTER, P. 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
4. 12V CHARGING + CRANKING SYSTEM (CHAPTER 4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
4.1. I6 HEUI ENGINES, P. 1.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
4.2. V8 AVNT ENGINES, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
4.3. CATERPILLAR ENGINES, P. 3.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
5. FANS AND ENGINE ACCESSORIES (CHAPTER 5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
5.1. FAN WIRING, P. 1.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
5.2. ETHER START, P. 2.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
5.3. SNOW VALVE, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
5.4. FAN WIRING, CATERPILLAR AND CUMMINS, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
6. ELECTRONIC ENGINES (CHAPTER 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
6.1. ELECTRONIC ENGINE CONTROLS, I6–HEUI ENGINES, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
6.2. ELECTRONIC ENGINE CONTROLS, I6–HEUI ENGINE CRUISE CONTROL AND BODY
BUILDER CONNECTIONS, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
6.3. ELECTRONIC ENGINE CONTROLS, (V8–AVNT) ENGINES, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
6.4. ELECTRONIC ENGINE CONTROLS, V8–AVNT ENGINE CRUISE CONTROL AND BODY
BUILDER CONNECTIONS, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
6.5. CATERPILLAR C10 AND C12 ENGINES, P. 5.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
6.6. CUMMINS ISM ENGINE, P. 6.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
7. GAUGES WITH AND WITHOUT INTEGRAL WARNING LIGHT (CHAPTER 7). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
7.1. IP/GAUGE LIST, P. 1.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
7.2. WARNING LIGHT LIST, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
7.3. WARNING LIGHTS CONTROLLED BY ENGINE, TRANSMISSION, ABS CONTROLLER, P.
3.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
7.4. ENGINE OIL PRESSURE AND TEMP, SPEEDOMETER, TACH, VOLTMETER AND WATER
TEMP GAUGE CIRCUITS, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
7.5. IP/GAUGES AND WARNING LIGHTS — GAUGE CLUSTER, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
7.6. AIR PRESSURE INPUT CIRCUIT, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
7.7. AXLE TEMPERATURE, FWD REAR AND REAR AXLES, GAUGE INPUT CIRCUIT, P. 7. . . . . .64
7.8. FUEL GAUGE INPUT CIRCUIT (SINGLE TANK) DIFFERENTIAL LOCK WARNING LAMPS, P.
8.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
7.9. GAUGES AND WARNING LIGHTS — FUEL FILTER RESTRICTION AND WATER IN FUEL
LIGHTS, P. 9.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
7.10. GAUGES AND WARNING LIGHTS — PARK BRAKE LIGHT AND TRANSMISSION OIL TEMP.
GAUGE, P. 10.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
7.11. GAUGES AND WARNING LIGHTS — AMMETER, P. 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
7.12. ENGINE OIL TEMPERATURE GAUGE WITH CATERPILLAR, P. 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
8. LIGHTS (CHAPTER 8).. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
8.1. BACK UP LIGHTS, P. 1.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
8.2. LIGHT SYSTEMS — CLEARANCE, MARKER, PARK, TAIL, TURN AND STOP LAMPS, P.
2.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
8.3. LIGHT SYSTEMS — CLEARANCE, MARKER, PARK, TAIL, TURN AND STOP LAMPS
(CONT.), P. 3.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
8.4. LIGHT SYSTEMS — TURN SIGNAL AND STOP SWITCHES, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
8.5. DOME LIGHT, MAP LIGHT, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
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8.6. DOME LIGHT, MAP LIGHT (CONT.), P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
8.7. FOG LIGHT AND WORK LIGHT, P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
8.8. HEADLIGHTS, P. 8.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
8.9. AUX. HEADLIGHTS, AUX. PARK, AUX TURN, P. 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
8.10. PANEL LIGHTS, P. 10.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
9. CHASSIS ACCESSORIES (CHAPTER 9). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
9.1. AIR DRYER AND HEATED DRAIN VALVE, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
9.2. ANTILOCK BRAKE SYSTEM (ABS), AIR, P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
9.3. ANTILOCK BRAKE SYSTEM (ABS), AIR, TRACTION CONTROL, P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . .82
9.4. ANTILOCK BRAKE SYSTEM (ABS), HYDRAULIC, P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
9.5. ANTILOCK BRAKE SYSTEM (ABS), HYDRAULIC (CONT.), P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
9.6. ANTILOCK BRAKE SYSTEM (ABS), HYDRAULIC (CONT.), P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
9.7. TWO SPEED AXLE SWITCH W/MANUAL TRANSMISSION FUEL HEATER N/WARN LIGHTS,
P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
9.8. BRAKE SYSTEM, HYDRAULIC, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
9.9. FUEL TRANSFER PUMP, P. 9.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
9.10. BACK OF CAB BODY BUILDER AND TRAILER STOP, TAIL, MARKER, P. 10. . . . . . . . . . . . . . . .89
9.11. BODY BUILDER AND TRAILER TURNS, CENTER PIN ABS, CENTER PIN AUX, P. 11. . . . . .90
9.12. BODY BUILDER AND TRAILER SOCKET BACK OF CAB SOCKETS, P. 12. . . . . . . . . . . . . . . . . . .91
9.13. BODY BUILDER AND TRAILER SOCKET END OF FRAME (EOF) SOCKET AND BODY
BUILDER, P. 13.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
9.14. AIR SOLENOID 4–WAY PACK, P. 14.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
9.15. REMOTE POWER UNITS, SOLENOID PACKS, REMOTE ENGINE SPEED CONTROLLER, P.
15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
9.16. HYD POWER PARK, P. 16.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
9.17. AIR SUSPENSION, P. 17.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
9.18. AUX. TRAILER, ACC CONTROLLED, P. 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
9.19. AUX. TRAILER, BTRY CONTROLLED, P. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
9.20. LIFT AXLES (NON-STEERABLE), P. 20.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
9.21. LIFT AXLES (STEERABLE), P. 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
9.22. AIR ACTUATED PARK BRAKE, P. 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
9.23. ANTILOCK BRAKE SYSTEM, WABCO AIR, P. 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
9.24. ANTILOCK BRAKE SYSTEM, WABCO AIR, P. 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
9.25. LIFT AXLES, WITH MULTIPLES FOR SS MODELS, P. 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
9.26. FUEL / WATER SEPARATOR WITH 12VDC FUEL PREHEATER, P. 26. . . . . . . . . . . . . . . . . . . . . . . .105
10. TRANSMISSIONS (CHAPTER 10).. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
10.1. ALLISON LCT TRANSMISSION, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
10.2. ALLISON MD TRANSMISSION, P. 2.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
10.3. ALLISON MD TRANSMISSION (CONT.), P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
10.4. ALLISON MD TRANSMISSION (CONT.), P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
10.5. TRANSMISSION, WTEC MD W/AUTO NEUTRAL, P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
10.6. EATON AUTOSHIFT TRANSMISSION, P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
10.7. EATON AUTOSHIFT TRANSMISSION (CONT.), P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
10.8. EATON LIGHTNING TRANSMISSION, P. 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
11. AIR CONDITIONING (CHAPTER 11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
11.1. HVAC SYSTEMS, P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
11.2. AIR CONDITIONING (ONLY), P. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
12. CONNECTOR COMPOSITES (CHAPTER 12). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
12.1. CONNECTOR COMPOSITES (10M), (71), (72), (345F), P. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
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12.2. CONNECTOR COMPOSITES (420F), (420M), (520), (521), (522), (523), (524), P. 2. . . . . . . . . .117
12.3. CONNECTOR COMPOSITES (1002), (1003), (1010), P. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
12.4. CONNECTOR COMPOSITE (1011), P. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
12.5. CONNECTOR COMPOSITE (1012), P. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
12.6. CONNECTOR COMPOSITE (1013), P. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
12.7. CONNECTOR COMPOSITE (1014), P. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
12.8. CONNECTOR COMPOSITES (1018), (1019M), (1020M), (1021M), (1022M), P. 8. . . . . . . . . . . . .123
12.9. CONNECTOR COMPOSITES (1027M, F), (1100), (1101A), (1101), (1102), P. 9. . . . . . . . . . . . . . .124
12.10. CONNECTOR COMPOSITES (1104), (1106), (1200), (1210), P. 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .125
12.11. CONNECTOR COMPOSITES (1300), (1301), (1400), (1402), (1410), (1500), (1510), P.
11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
12.12. CONNECTOR COMPOSITES (1553), (1554F), (1555), (1600), (1601), (1650), P. 12. . . . . . . .127
12.13. CONNECTOR COMPOSITES (1652), (1657M), (1658), (1659), (1800), P. 13. . . . . . . . . . . . . . . . .128
12.14. CONNECTOR COMPOSITES (1804), (1807), (1808), (1809), (1810), (1811), (1812), (1813),
(1814), (1815), P. 14.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
12.15. CONNECTOR COMPOSITES (1820), (1822), (1823), (1824), (1828), (1860), (1861), (1901M),
(1915), P. 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
12.16. CONNECTOR COMPOSITES (1918), (1920), (2000), (2002M), (2003M), (2004M), (2005M), P.
16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
12.17. CONNECTOR COMPOSITES (2006M), (2007F), (2021F), (2021M), (2022F), (2022M),
(2111M), (2112M), (2113M), (2114M), (2115M), (2116M), (2117M), (2301M), (2302M), (2303M), P.
17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
12.18. CONNECTOR COMPOSITES (2304M), (2305M), (2306M), (2307F), (2308F), (2502F),
(2502M), (2503F, M), (2600F, M), P. 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
12.19. CONNECTOR COMPOSITES (2601M, F), (2602M, F), (3000M), (3000F), (3002M), (3003),
(3100M), (3200F, M), (3201M), (3202), (3203M), P. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
12.20. CONNECTOR COMPOSITES (3204M, F), (3209), (3210M), (3211M), (4000), P. 20. . . . . . . . .135
12.21. CONNECTOR COMPOSITE (4001), P. 21.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
12.22. CONNECTOR COMPOSITE (4002), P. 22.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
12.23. CONNECTOR COMPOSITE (4003), P. 23.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
12.24. CONNECTOR COMPOSITES (4004), (4007), (4008), P. 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
12.25. CONNECTOR COMPOSITE (4014), P. 25.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
12.26. CONNECTOR COMPOSITE (4014/1700), P. 26.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
12.27. CONNECTOR COMPOSITES (4015), (4017), (4018), (4019), (4020), (4021), (4022), (4023), P.
27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
12.28. CONNECTOR COMPOSITES (4024), (4030), (4031), (4032), (4033), (4040), (4041), P.
28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
12.29. CONNECTOR COMPOSITES (4087), (4098), (4070), (4071), P. 29. . . . . . . . . . . . . . . . . . . . . . . . . . . .144
12.30. CONNECTOR COMPOSITE (4103), P. 30.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
12.31. CONNECTOR COMPOSITES (4105), (4111), (4120), (4301), P. 31. . . . . . . . . . . . . . . . . . . . . . . . . . . .146
12.32. CONNECTOR COMPOSITES (4305), (4410), (4410B), (4410C), (4410D), (4410E), (4410H),
(4410M), (4411), P. 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
12.33. CONNECTOR COMPOSITES (4411A), (4411B), (4412), (4415), (4450), (4450A), (4460A),
(4460), P. 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
12.34. CONNECTOR COMPOSITE (4705), P. 34.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
12.35. CONNECTOR COMPOSITES (4810), (4820), (4830), (4840), (4850), (4900), P. 35. . . . . . . . . .150
12.36. CONNECTOR COMPOSITES (4910), (4950), (4951), (4900), P. 36. . . . . . . . . . . . . . . . . . . . . . . . . . . .151
12.37. CONNECTOR COMPOSITES (6007), (6011), P. 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
12.38. CONNECTOR COMPOSITES (6013M), (6014), P. 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
12.39. CONNECTOR COMPOSITES (6015), (6020), (6021), P. 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
12.40. CONNECTOR COMPOSITES (6200), (6316), (6323), (6332), (6333), (6334), (6400), (6401),
(6406), (6407), (6407D), (6409), (6500), P. 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
12.41. CONNECTOR COMPOSITES (6550), (6703), (6704), (7103), (7104), (7104A), P. 41. . . . . . . .156
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12.42. CONNECTOR COMPOSITES (7200), (7202), (7203), P. 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
12.43. CONNECTOR COMPOSITES (7204), (7205), (7206), P. 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
12.44. CONNECTOR COMPOSITES (7211), (7212), (7213), (7300), (7301), P. 44. . . . . . . . . . . . . . . . . . .159
12.45. CONNECTOR COMPOSITES (7302), (7304), (7305), (7306), (7500), (7502), (7600), (7601), P.
45.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
12.46. CONNECTOR COMPOSITES (7603), (7604), (7605), (7606), (7607), (7608), (7609), (7610),
(7611), (7700), P. 46.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161
12.47. CONNECTOR COMPOSITES (7800), (7803), (7900), (7901), P. 47. . . . . . . . . . . . . . . . . . . . . . . . . . . .162
12.48. CONNECTOR COMPOSITES (7905), (7906), (8000), (8001), (8102), (8150), (8151), (8200), P.
48.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
12.49. CONNECTOR COMPOSITES (8201), (8301), (8310), (8311), (8312), (8400), (8500), (8501),
(8502), (8502A), P. 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
12.50. CONNECTOR COMPOSITES (8503), (8503A), (8505), (8506), (8507), (8508), (8509), (8600),
(8601), (8602), P. 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
12.51. CONNECTOR COMPOSITES (8700), (8701), (8800), (8801), (8802), (8803), P. 51. . . . . . . . . .166
12.52. CONNECTOR COMPOSITES (9001), (9002), (9100), (9101), (9102), (9254), (9255), P.
52.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167
12.53. CONNECTOR COMPOSITES (9260), (9261), (9262), (9263), (9264), (9265), (9303A), P.
53.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
12.54. CONNECTOR COMPOSITES (9404), (9405), (9501), (9502), (9503), (9504), (9505), (9506), P.
54.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169
12.55. CONNECTOR COMPOSITES (9507), (9508), (9509), (9510), (9511), (9512), (9513), (9514),
(9515), P. 55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
12.56. CONNECTOR COMPOSITES (9516), (9517), (9518), (9519), P. 56. . . . . . . . . . . . . . . . . . . . . . . . . . . .171
12.57. CONNECTOR COMPOSITE (9700), P. 57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
12.58. CONNECTOR COMPOSITE (9700), P. 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
12.59. CONNECTOR COMPOSITES (9715), (9715A), (9715B), P. 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
12.60. CONNECTOR COMPOSITES (9716), (9716A), (9716B), P. 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
12.61. CONNECTOR COMPOSITES (9717), (9717A), (9717B), P. 61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
12.62. CONNECTOR COMPOSITES (9718), (9719), (9720), (9733), (9734), (9736), (9762), (9763), P.
62.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
12.63. CONNECTOR COMPOSITES (9777), (9800), P. 63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
12.64. CONNECTOR COMPOSITES (9870), (9871), (9811), (9812), (9814), (9815), (9850), (9900),
(9900A), P. 64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179
S082852a
vi 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1
1. INSTRUCTIONS AND CHARTS (CHAPTER 1)
1.1. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 1
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL CIRCUIT NUMBER IDENTIFICATIOIN AND LOCATION
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 01AE08-52365
PREFIX DESIGNATIONS
PREFIX LOCATION
A Cab-instrument Panel Module
B
Cab-Header/Clearance LightsC
Cab-Roof/Rear PanelD
Cab-Left Door/Doors
Cab-Driver Control Module
E
F Cab-Right Door/Doors
H Cab-Sleeper
J Cab-Dash(outside)
K Engine/Radiator
L Transmission
M Chassis/Front End (Cab Dash Panel Forward)
N Chassis/Center Section (Cab Dash Panel to Cab RR Xmbr)
P Chassis/Wheel Base Section
R Chassis/Suspension/Rear Axle/Axles
S Chassis/AF Section/Stop/Tail/Turn Lights
CIRCUIT NUMBER AND IDENTIFICATIONS
CIRCUITNUMBER
COLOR DESCRIPTION
1 LTBL ALTERNATOR - FIELD
2 RD ALTERNATOR - CHARGE
3 DKBL 1708 DATA LINK, SWITCH DATA LINK (+)
GY 1708 DATA LINK, SWITCH DATA LINK (-)
4 SERIAL/DATA COMMUNICATION J1922
5 YL DRIVE TRAIN J1939 DATA LINK (+)
GN DRIVE TRAIN J1939 DATA LINK (-)
6 GY LOW VOLTAGE ELECTRONIC FEED (< 9 VOLTS)
7 RD ALTERNATOR - RESISTANCE
8
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 1 Circuit Number Identification and Location Chart
S082852a
2 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.2. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 2
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL CIRCUIT NUMBERIDENTIFICATION AND LOCATION (CONT.)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 02AE08-52365
CIRCUIT NUMBER AND IDENTIFICATIONS (CONT.)
CIRCUITNUMBER
COLOR DESCRIPTION
9 GY ZERO VOLT REFERENCE (ZVR)
10 WH CHASSIS/ENGINE GROUND
11 WH CAB/SLEEPER GROUND
12 LTBL ACCESSORY FEED
13 PK IGNITION FEED
BK IGNITION FEED (BODY BUILDER CONNECTOR)
14 RD BATTERY FEED
15 RD KEY SWITCH FEED
16
17 PK STARTER CONTROL
18 PK GLOW PLUG/PRE-HEATER
19 GY ENGINE SHUTDOWN
20 LTGN REMOTE POWER MODULE
21 COLD START CONTROLS (ETHER)TN
22
23 TN ENGINE FAN/SHUTTERS
24 GY ENGINE EXHAUST BRAKE
25 TN PYROMETER
26 TN AMMETER
27 TN VOLTMETER
28 TN INSTRUMENTS AND GAUGES
29 TN ENGINE WATER TEMPERATURE
30 ENGINE OIL TEMPERATURETN
31 TN TRANSMISSION OIL TEMPERATURE
32 TN AXLE OIL TEMPERATURE
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 2 Circuit Number Identification and Location Chart (Cont.)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3
1.3. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 3
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL CIRCUIT NUMBERIDENTIFICATION AND LOCATION (CONT.)
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
15 MAY 00 03AE08-52365
CIRCUIT NUMBER AND IDENTIFICATIONS (CONT.)
CIRCUITNUMBER
COLOR DESCRIPTION
33 TN ENGINE OIL LEVEL
34 TN COOLANT LEVEL
35 TN ENGINE OIL PRESSURE
36 TN FUEL LEVEL
37 TN FUEL PUMP
38
39 GY AIR DRYER HEATER
40 GY LOW AIR PRESSURE WARNING
41 TN AIR TEMPERATURE
42 GY FRONT AXLE ENGAGED
43 GY POWER DIVIDER LOCK (PDL) WARNING
44 GY PARK BRAKE WARNING
45 LTGN ANTI - THEFT WARNING
46 GY POWER TAKE - OFF WARNING
47 GY SPEEDOMETER
48 GY TACHOMETER
49 GY DIFFERENTIAL LOCK WARNING
50 YL LIGHT SWITCH FEED
51 YL DIMMER SWITCH FEED
52 YL HEADLIGHT HI - BEAM
53 YL HEADLIGHT LO - BEAM
54 BN PARKING/MARKER LIGHTS
55 OR TURN SIGNAL - FEED
56 OR TURN SIGNAL LIGHTS - LEFT
YL TURN SIGNAL LIGHTS - LEFT (BODY BUILDER CONNECTION)
57 OR
LT GN
TURN SIGNAL LIGHTS - RIGHT
TURN SIGNAL LIGHTS - RIGHT (BODY BUILDER CONNECTION)
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 3 Circuit Number Identification and Location Chart (Cont.)
S082852a
4 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.4. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 4
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL CIRCUIT NUMBERIDENTIFICATION AND LOCATION (CONT.)
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
15MAY00 04AE08-52365
COLORCIRCUITNUMBER
DESCRIPTION
CIRCUIT NUMBER AND IDENTIFICATIONS (CONT.)
58 BN CLEARANCE/IDENTIFICATION LIGHTS
59 GY SOLENOID
60 OR HAZARD LIGHTS
61 GY AIR SUSPENSION
62 DKBL PANEL LIGHTS
63 DKBL COURTESY/DOME LIGHTS
64 YL FOG/DRIVING LIGHTS
65 OR CAB REAR FLOOD LIGHT
66 YL DAYTIME RUNNING LIGHTS
67
68 BN TAIL LIGHTS
69 BN LICENSE PLATE LIGHT
70 OR STOP LIGHTS
RD STOP LIGHTS (BODY BUILDER CONNECTION)
71 OR BACK - UP LIGHTS
LTBL BACK - UP LIGHTS (BODY BUILDER CONNECTION)
72 OR TRAILER AUXILIARY FEED - BATTERY
73 PWMLTGN
74 LTGN HEATER RECIRC MOTOR
75 LTGN HEATER BLOWER MOTOR
76 LTGN AUXILIARY FAN
77 LTGN AIR CONDITIONER
78 LTGN MIRRORS - HEATED; MOTORIZED
79 GY SEAT BELTS
80 BK SLEEPER BOX RELAY - FEED
81 LTGN POWER DOOR LOCKS
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 4 Circuit Number Identification and Location Chart (Cont.)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
5
1.5. CIRCUIT NUMBER IDENTIFICATION AND LOCATION CHART, P. 5
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL CIRCUIT NUMBERIDENTIFICATION AND LOCTION (CONT.)
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
15MAY00 05AE08-52365
CIRCUIT NUMBER AND IDENTIFICATIONS (CONT.)
CIRCUITNUMBER
COLOR DESCRIPTION
82 GY WINDSHIELD WIPER
83 LTGN POWER WINDOWS
84 LTGN CIGAR LIGHTER
85 GY HORN
86 LTGN RADIO - ENTERTAINMENT/CLOCK
87 GY WINDSHIELD WASHER
88 LTGN CLOCK/HOURMETER
89 VT AIR BAG
90 GY HYDRAULIC BRAKE PUMP
91 VT INTERCOMMUNICATIONS
92 TN TRANSMISSION CONTROLS - ELECTRONIC
93 TN AXLE SHIFT CONTROL
94 GY ANTILOCK BRAKE SYSTEM
95 TN EXHAUST EMISSION
96 YL SNOW PLOW LIGHTS/CRUISE CONTROL
97 VT ENGINE CONTROLS - ELECTRONIC
98 BK DATALINK AND DIAGNOSTICS
99 VT ACCELERATOR POSITION SENSOR (APS)
100 AIR HORN (ELECTRIC SOLENOID ACTUATED)
101 BRAKE APPLICATION AIR
102 FLASH TO PASS
PRODUCTION RELEASE. A P54304UPEC 16JAN01
ADDED CLOCK TO #86. B P54634FPEC 18JUN01
Figure 5 Circuit Number Identification and Location Chart (Cont.)
S082852a
6 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.6. NAVPAK/ECM I6 ENGINE CONTROLLER CONNECTOR PIN NUMBER
IDENTIFICATION, P. 6
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL NAVPAK/ECM I6 ENGINE CONTROLLER CONNECTOR PIN NUMBERIDENTIFICATION
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 06AE08-52365
ECMPIN #
TERM DESCRIPTION
12 AAT AMBIENT AIR TEMP. SENSOR
ECMPIN #
TERM DESCRIPTION
33 ACD A/C DEMAND
8 APS ACCELERATOR POS. SENSOR
16 ATA(+) J1708 DATALINK (+)
17 ATA(-) J1708 DATALINK (-)
29 BAP BAROMETRIC AIR PRESS. SENSOR
43 BN01 BRAKE STATUS #1
44 BN02 BRAKE STATUS #2
18 CAN SHLD DRIVETRAIN J1939 DATALINK SHLD
19 CAN(+) DRIVETRAIN J1939 DATALINK (+)
20 CAN(-) DRIVETRAIN J1939 DATALINK (-)
15 CBE_SEL1 RETARDER/EXHAUST BRAKE REQUEST
10 CLS COOLANT LEVEL SENSOR
35 COD CRUISE ON/OFF
21 DC (+)
POWER
22 DC (+)
POWER
1 DC (-)
GROUND
2 DC (-)
GROUND
26 DDS DRIVELINE DISENGAUGED INPUT
42 DPS
GROUND
46 ECI ENGINE CRANK INHIBIT
56 EDL TRANSMISSION KICKDOWN
53 GPL GLOW PLUG LIGHT
4 HGE HYD. PRESS GOVERNOR ENABLE
49 HMI HYDRAULIC PRESS GOVERNOR IND. LT
13 HPS HYDRAULIC PRESSURE SENSOR
41 HSO (+)
POWER
23 HSO (-)
GROUND
27 IVS IDLE VALIDATION SWITCH
54 OWL OIL/WATER WARNING LIGHT
25 PWR RLY CEC MAIN POWER RELAY SIGNAL
31 RAS RESUME/ACCELERATE
37 RPRF PRESET SPEED
30 RPS REMOTE ACCELERATOR POS. SENS. SIG.
6 RPS_RTN
36 RVAR VARIBLE SPEED SWITCH
32 SCS SET/COAST
45 SIL SERVICE INTERVAL LIGHT
34 STI SELF TEST INPUT
48 SUL SHIFT UP LIGHT
59 TACA TACHOMETER A
60 TACB TACHOMETER B
38
TSA
TORQUE CURVE SELECTION INPUT
28
TCSS
TWO SPEED AXLE
3 VBREF(5V) ACCELERATOR SENSOR SUPPLY
11 VBREF GND ACCELERATOR SENSOR GROUND
5 VCREF(5V) REMOTE ACCELERATOR SENS. SUPPLY
7 VCREF GND REMOTE ACCELERATOR SENSOR GND
24 VIGN IGNITION FEED
47 VRE RETARDER/EXHAUST BRAKE ENABLE
39 VSS(+) VEHICLE SPEED SENSOR (+)
40 VSS(-) VEHICLE SPEED SENSOR (-)
58
57
55
VSSCALA
VSSCALB
WARN
SPEEDOMETER SIGNAL A
SPEEDOMETER SIGNAL B
ENGINE WARNING LIGHT
REMOTE ACCELERATOR POS. SENS RTN.
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 6 NAVPAK/ECM I6 Engine Controller Connector Pin Number Identification
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
7
1.7. CIRCUIT DIAGRAM INSTRUCTIONS, P. 7
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
CIRCUIT DIAGRAM INSTRUCTIONS
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
15MAY00 07AE08-52365
R32-G
B - MULTIPLE CONNECTIONS ARE DISPLAYED ON SCHEMATIC AS SHOWN. REFER TO CONNECTOR COMPOSITE WITH APPLICABLE NUMBER FRO MORE COMPLETE INFORMATION.
SINGLE IN-LINE CONNECTORS DISPLAYEDAS SHOWN WITH OR WITHOUT CONNECTORNUMBER.
R32-GB
WIRE CONNECTION
C - PHANTOM LINES INDICATE PRINTED CIRCUITS OR BUSSED CIRCUITS. THESE CIRCUITS EXIST IN THE INSTRUMENT CLUSTERS AND FUSE/CIRCUIT BREAKER CONNECTORS.
D - MULTPLE CIRCUIT NUMBERS ON A LINE INDICATE ONE WIRE DISTRIBUTING CURRENT TO TWO CIRCUITS.
SUFFIX
G IS NOT A SUFFIX BUT INDICATESA GROUND CIRCUIT.
ETHERSWITCH
PRINTED CIRCUIT IN
INSTRUMENT CLUSTER
F - CIRCUIT "11" DENOTES ANY COMMON GROUND, (MORE THAN ONE CIRCUIT). ANY INDIVIDUAL GROUND CIRCUIT IS IDENTIFIED WITH THAT PARTICULAR CIRCUIT NUMBER. (E.G CIRCUIT 97 CRUISE CONTROL, IS IDENTIFIED PER EXAMPLE).
GROUND CIRCUITS ARE DESCRIBED THUS:
A12
11-GB
WIRECONNECTION
A55A16OR
LOCATION IN FUSE/CIRCUITBREAKER CONNECTION
BUSS IN FUSE/CIRCUITBREAKER CONNECTOR
F19
COMMON GROUNDCIRCUIT NUMBER
B
RELAY - SUPPRESSED
12
20A
F1
A - SWITCH AND RELAY POSITIONS AS SHOWN ON CIRCUIT DIAGRAMS INDICATE NORMAL POSITION WITH IGNITION OFF UNLESS OTHERWISE NOTED.
12
R32-GA
BUSSED CONTACT
30 86
87A 87 85
A128
E - SWITCHES, RELAYS AND COMPONENTS INDICATE EXTERNAL WIRE CONNECTIONS AND/OR INTERNAL CONNECTIONS OR CONTACTS.
LOCATION
OFFOFFOFFOFF
A
AA
AI
II
I
S S SS
B
SGND I A
INDIVIDUAL GROUNDCIRCUIT NUMBER
16BN
A55A/A6016OR
16RD
A6016OR
NOTE: FOR CIRCUIT DESCRIPTION OTHER THAN GROUNDS,NEITHER THE LETTER "G" NOR THE COLOR WHITE SHALL BE USED.
CONTACT
VOLTMETER
A12A
11-GA11-G
KEY SWITCH PIGTAIL
INTERNALCONNECTION
INDICATESCASEGROUND
SUFFIX
FUSE RATING
SWITCH:MANUAL/MECHANICAL
F18
G IS NOT A SUFFIX BUTINDICATES A GROUNDCIRCUIT.
A
20A
AND/OR
PRODUCTION RELEASE. A P54304U
SWITCHMAGNETIC
SUPPRESSED
PEC 16JAN01
LOCATION/CIRCUIT NUMBERWIRE GAUGE/WIRE COLOR
Figure 7 Circuit Diagram Instructions
S082852a
8 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.8. CIRCUIT DIAGRAM INSTRUCTIONS, P. 8
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
CIRCUIT DIAGRAM INSTRUCTIONS
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 08AE08-52365
AIR CONDITIONER
WH - WHITE
IND-
NOUN ABBREVIATION
INDICATOR-AWG
ACC
-BLT
W/O WITHOUT--
G - ABBREVIATIONS: COLOR, NOUN AND ENGINE
-R
COLOR ABBREVIATION
ENGS
RIGHTENGINESTART OR SENDER
BN - BROWN
--
GD - GOLD
-GA
W/
GN - GREEN
G
WITH
LT GN - LIGHT GREEN ACCESSORY
PL - PURPLEPK - PINK
GROUND
SIL - SILVER
IGNAUX
VT - VIOLET
IGNITION-
YL - YELLOW
-AUXILIARY
A
LAMERICAN WIRE GAUGE
LEFTBAT LIGHT-BATTERY
-CONNOPTDRL
CONNECTION OR CONNECTOROPTIONALDAYTIME RUNNING LIGHTS
-
AQ - AQUA
--
BL - BLUE
BK - BLACK
FWDTHERMO
DK GN - DARK GREEN
FORWARDTHERMOSTAT
GY - GRAY
GAUGE-
LT BL - LIGHT BLUE
GND
ISM - MFG (CUMMINS) 10.8 LITER ELECTRONIC ENGINE CONTROL
N14E PLUS - MFG (CUMMINS) 14 LITER ELECTRONIC ENGINE CONTROL
C-10,C-12 - MFG (CATERPILLAR) 10.3 LITER ELECTRONIC ENGINE CONTROL
V8-AVNT - MFG (INTERNATIONAL) V8 6.0 LITER ELECTRONIC ENGINE CONTROL
I6-HEUI - MFG (INTERNATIONAL) NGD I6 DT466 & DT/HT530 ELECTRONIC ENGINE CONTROL
ENGINE ABBREVIATION
OR - ORANGE
RD - RED
IAC
TN - TAN
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 8 Circuit Diagram Instructions (Cont.)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
9
1.9. SCHEMATIC SYMBOL CHART, P. 9
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
SCHEMATIC SYMBOL CHART
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
19MAY00 09AE08-52365
RESISTOR
SOLENOID - GENERAL USAGE
SWITCH CONTACT, NORMALLY CLOSED
SPLICE
CIGAR LIGHTER
SWITCH-MANUAL/MECHANICAL
SYMBOL
SPEAKER - SOUND SYSTEM
LIGHT - SINGLE FILMENT
SENDER - OIL, WATER, FUEL, TEMPERATURE
DESCRIPTION
GROUND
MALE TERMINAL
LIGHT EMITTING DIODE
SWITCH CONTACT, NORMALLY OPEN
JUNCTION POINT
MOTOR - ELECTRIC
SWITCH-PRESSURE
RELAY-SUPPRESSED
30 86
87A 87 85
HORN
DESCRIPTION
MAGNETIC SWITCH
LIGHT - DOUBLE FILAMENT
MALE/FEMALE IN-LINE CONNECTION
SYMBOL
FEMALE TERMINAL
FUSE
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 9 Schematic Symbol Chart
S082852a
10 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.10. RELAY FUNCTIONS, P. 10
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
RELAY FUNCTIONS AND WIRING GUIDE
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
21JUN00 10AE08-52365
30 86
87A 87 85
4
ENERGIZING COIL
85
NORMALLY
CLOSED
CONTACT
FUSEBLOCK SOCKET
CONNECTOR SOCKET
CABLE INSERTIN END
5
NORMALLY CLOSED CONTACT
2
ENERGIZING COIL
3086
87A8785
A
RELAY FUNCTIONS
D
RELAY SCHEMATIC
86
MICRO RELAY FUNCTION AND WIRING GUIDE
85
87A
TYPICAL RELAY (INSERTION END)
30 AE
1
86
3
NORMALLY
OPEN
CONTACT
30
87A
2
ENERGIZING COIL
ENERGIZING COIL
3
C
NORMALLY OPEN CONTACT
14
COMMON CONTACT
B
MINIATURE RELAY FUNCTION AND WIRING GUIDE
TYPICAL RELAY (INSERTION END)
86
87
FUSEBLOCK SOCKET
CONNECTOR SOCKET
RELAY INSERTION END
RELAY SCHEMATIC
30
87A
B
85
87C
D
E
5
COMMON
CONTACT
87
PRODUCTION RELEASE. A P54304UPEC 16JAN01
CNA 23AUG02 MINI RELAY #2 WAS #5. B 56507K
Figure 10 Relay Functions
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
11
1.11. LAMP BULB CHART, P. 11
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
LAMP BULB CHART
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
20JUN00 11AE08-52365
BULB APPLICATION BULB TRADE NUMBERCANDLEPOWER OR WATTS
PRODUCTION RELEASE. A P54304UPEC 16JAN01
BACK-UP LIGHTS 32 CANDLEPOWER GE1156
CLEARANCE & INDENTIFICATION 3 CANDLEPOWER GE193
COURTESY LIGHT 3 CANDLEPOWER GE168
DOME LIGHTS 12 CANDLEPOWER GE561
FOG LIGHTS 55 CANDLEPOWER VH550
HEAD LIGHTS:
LOW BEAMS 65 WATTS GE9007
HIGH BEAMS GE900765 WATTS
INSTRUMENT CLUSTER:
GAUGE BACK LIGHT 082S270538-3
GAUGE WARNING LED (RED) 082S272109-3
RANGE INHIBIT LED (YELLOW) 082S272109-4
COLD AMBIENT PROTECTION LED (YELLOW) 082S272109-4
FUEL FILTER LED (YELLOW) 082S272109-4
WARN ENGINE LED (YELLOW) 082S272109-4
STOP ENGINE LED (RED) 082S272109-3
BRAKE PRESSURE LED (RED) 082S272109-3
BRAKE FLUID LED (RED) 082S272109-3
WAIT TO START LED (YELLOW) 082S272109-4
CHECK TRANSMISSION LED (YELLOW) 082S272109-4
TRAILER ABS LED (YELLOW) 082S272109-4
WASHER FLUID LED (YELLOW) 082S272109-4
LEFT TURN SIGNAL LED (GREEN) 082S272109-2
TRACTION CONTROL LED (GREEN) 082S272109-2
WATER IN FUEL LED(YELLOW) 082S272109-4
PARK FLUID LED LIGHT (RED) 082S272109-3
CHECK ELECTRICAL SYSTEMS LED (YELLOW) 082S272109-4
PARK BRAKE LED (RED) 082S272109-3
CRUISE CTRL ACTIVE LED (GREEN) 082S272109-2
ANTILOCK BRAKING SYSTEM LED (YELLOW) 082S272109-4
RIGHT TURN LED (GREEN) 082S272109-2
COOLANT LEVEL LED (RED) 082S272109-3
SEAT BELT LED (RED) 082S272109-3
HIGH BEAM ICON LED (BLUE) 082S272109-5
CHECK AIR CONDITIONER LED (YELLOW) 082S272109-4
RETARD OVER HEAT LED (RED) 082S272109-3
PTO/THROTTLE LED (RED) 082S272109-3
MAP LIGHT 3 CANDLEPOWER 1816
SIDE MARKER 2458
STOP & TURN/TAIL & LICENSE PLATE 32/3 CANDLEPOWER 1157
TURN SIGNAL/MARKER (FENDER) 3157
TURN SIGNAL & MARKER LIGHT 2356
WORK (TRAILER HOOK-UP) LIGHT 4411
REVISED DRWG SHEET. B P54634FPEC 18JUN01
Figure 11 Lamp Bulb Chart
S082852a
12 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
1.12. NAVPAK/ECM V8–AVNT CONTROLLER CONNECTORS X3 AND X4 PIN NUMBER
IDENTIFICATION, P.12
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 1
INTERNATIONAL NAVPAK/ECM V8-AVNTCONTROLLER CONNECTORS X3 & X4 PIN NUMBER IDENTIFICATION
U00DLCK
P54304U
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
16JAN01 12AE08-52365
CONNECTOR (X3)
ECMPIN #
TERM DESCRIPTION
1 FPM FUEL PUMP MONITIOR
2 FLI FUEL LEVEL INDICATOR
3 KL.15 IGNITION FEED
4 ECL ENGINE COOLANT LEVEL
5 MPR MAIN POWER RELAY
6 KL.31 GROUND
7 KL.31 GROUND
8 DDS DRIVELINE DISENAGE SWITCH
9 FPC FUEL PUMP CONTROL
10 TCSS TORQUE CURVE SELECT SWITCH
11 TACH TACHOMETER CONTROL
12 CAN1+ DRIVETRAIN J1939 DATALINK +
13 CAN1- DRIVETRAIN J1939 DATALINK -
14 RAS RESUME/ACCELERATE
15 CAN1-SHLD DRIVETRAIN 1939 DATALINK SHLD
16 NOT POPULATED
17 VSS_CAL VEHICLE SPEED SENSORCALIBRATION
18 VRE VEHICLE RETARDER ENABLE
19 RPRE REMOTE PRESET PTO ENABLE
20 RVAR REMOTE VARIABLE PTO ENABLE
21 SCS SET/COAST
22 ESHTR ELECTRONIC SHUTTER RELAY
23 ECI ENGINE CRANK INHIBIT
24 BAP BAROMETRIC AIR PRESSURE
KL.87
NOT POPULATED
8
NOT POPULATED
GSC
ECMPIN #
ELECTRIC FAN CONTROLEFAN
6
J1708 DATALINK -ATA-
IDLE VALIDATION SWITCH
4
NOT POPULATED
VEHICLE SPEED SENSOR+
KL.87
NOT POPULATED
9
KL.31B
DESCRIPTION
LOW SIDE OUTPUT 4
7
NOT POPULATED
NOT POPULATED
J1708 DATALINK +
12
19
10
BATTERY POWER
17
GENSET SPEED CONTROL
TERM
15
LSI_SPARE2
22
13
SENSOR REFERENCE VOLTAGEVBREF
20
11
BATTERY POWER
APS18
VSS-
SENSOR REFERENCE GROUND
1
16
23
CONNECTOR (X4)
14
NOT POPULATED
21
IVS
NOT POPULATED
VSS+
2
NOT POPULATED
24
LSO_SPARE4
LOW SPEED INOUT 2
5
ATA+
NOT POPULATED
3
ACCELERATION POSITION SENSOR
VEHICLE SPEED SENSOR-
Figure 12 NAVPAK/ECM V8–AVNT Controller Connectors X3 and X4 Pin Number Identification
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
13
2. 12 VOLT POWER DISTRIBUTION CIRCUIT DIAGRAMS (CHAPTER 2)
2.1. ACCESSORY, P. 1
A78L18LTGN
A12
B1
0L
TB
L
5AE1 F1
F5
A
5AA4 B4
F36
10AG1 H1
F1
DIAGCONN(1650)
B
A1218LTBL
C
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
ACCESSORY
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 01AE08-52366
CNA 12SEP02 DVD/A12M WAS CONNECTEDTO F21.
56507ZC
A14AA6RD
A14AAA6RD
A14AS10RD
CAB FUSEBLOCK(1011)
A1
1-G
AF
16W
H
OFFOFFOFFOFF
A
AA
AI
III
S S SSKEY SWITCH (1100)
B
SGND I A
A14BB6RD
5AA3 B3
F35
OPTIONALSPLICE
A1
4A
T1
0R
D
TO IGNITION RELAY
CB RADIO
POWER MIRRORS
ELECT SYSTEMCONTROLLER(1600)
RADIO
SEE CH02_12
BODY BUILDERS CONN
2
(CH 3, PG 8)
(CH 3, PG 7)
(CH 3, PG 2)
100 A
MEGAFUSE
(CH 9, PG 10)
3086
87A8785
J4 G4
J3G3
ACCESSORY RELAY
(CAB FUSE BLOCK) (1012)
F2
E2
5AF6
A1
51
8R
D
A9818VT
SWITCH PACK(CH 3, PG 11)
TRAILER AUX/ROOF AUX(CH 3, PG 12)TO IGN RELAY
SEE CH02_12
A1
3D
D1
8P
K
A12AB18LTBL
DIODE ASSY(1106M)
A
A13DH18PK
B
D
A12M16LTBL
A12C10LTBL
A12E10LTBL
A12D10LTBL
A12P18LTBL
A12N18LTBL
A12S16LTBL
A8618LTGN
D2
C2
B2
A2
H2
G2
A86F16LTGN
CAB FUSEBLOCK(1013)
CAB FUSEBLOCK(1011)
Figure 13 Accessory
S082852a
14 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.2. BATTERY FEEDS, CAB, P. 2
A1
4A
A6
RD
A1
4A
AB
6R
D
A14FJ10RD
30A
A3 B3
CAB FUSE BLOCK(1011)
F15
ROOF MOUNTED ASSY
100A
AUX PWR
A14AB10RD
5A
E2 F2F6
MEGAFUSESTUD
A14
AA
6R
D
DRAWN
RELEASE NO.
NAME
DATE
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INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
BATTERY FEEDS, CAB
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
21JUN00 02AE08-52366
CNA 23AUG02 DVD/ADDED F38 TO FUSEBLOCK 1014.
56507ZD
20A
A2 B2F14
10A
G2 H2F38
KEY SW & DIAG
HVAC CONTROL
A1410RD
10A
C4D4
F12
TBD
INSTR CLUSTER
C2 D2
CAB FUSE BLOCK(1014)
F42
PWR WIN/LOCK (DRIVER)
A14EG10RD
30A
A4 B4F13
IGNITION RELAY (1012) D4 SEE CH02_12
PWR WIN/LOCK(PASS)
A14AV10RD
5A
C2 D2F10
ACCESSORY RELAY (1012) G4
A14AS10RD
A14FR10RD
PWR WIN/LOCK (TRAVEL CREW)
E2 F2F40
D4
G4
G4
G4
CH 3_04
CH 3_04
CH 03_01
CH 11_01
CH 2_01, 12, 15
SEE CH 2_01
CH 7_05
DOME LT/RADIO MEMORY CH 3_08 CH 8_05
15A
G2 H2F2
A14AT10RD
OR
CAB FUSEBLOCK(1012)
30A
A1 B1F43
TBD
LIGHTED AIR SHIELD
OPTIONAL IGN RELAY (1013) G4 SEE CH 2_13
SEE CH 3_05
SEE CH 3_12
BLOCK1&2
OR
BLOCK1&2
BLOCK3&4
A2 B2F44
AIR SEAT/QUALCOM SEE CH 3_15
A14FM10RD
CAB FUSEBLOCK(1013)
Figure 14 Battery Feeds, Cab
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
15
2.3. BATTERY, P. 3
J1
4T
12R
D
J14AW12RD
J1
4D
12
RD
J94HC14GY
J94H14GY
5A
F2-C3 F2-D35A
F2-E3 F2-F3
25A
F2-G4 F2-H4
J14R10RD
30A
F2-C4 F2-D4
J14S12RD
J14MM8RD
30AF2-A2
F2-B2
15A
F2-E2 F2-F2
J56T12OR
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
12V POWER DISTRIBUTION -BATTERY (CONT)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
30JUN00 03AE08-52366
CNA 25SEP02 DVD/ADDED LCT SHIFT RELAY, REMOVED J92UA.
56507ZC
K14H4RD
60A
A2
J26D18TN
A14AA6RD
20A W/BODY BUILDER25A W/AUX TRLR SOCKET
F2-A3F2-B3
J1
4V
6R
D
J1916GY
30A W/AIR ABS25A W/HYD ABS
F2-E4 F2-F4
20A
F2-G3 F2-H3
40A
A6
J17D10PK
J4410RD
J44J18GY
MEGAFUSE
J57T12OR
40A
A1
15A
F2-G2 F2-H2
J90*16BK
J9012GY
PTC BODY BUILDER FEED CH03_01
STARTER RELAY CH02_15,CH04_01,02
POWER PARK MOTOR CH09_16
CAB FEED CH02_01,02,12,15
HYDRAMAX MOTOR RELAY CH09_08
FROM START SOLENOID
TAIL MARKER RELAY FEED CH09_10
STOP RELAY FEED CH09_10
TRAILER ABS RELAY CH09_11
TRLR RIGHT TURN RELAY CH09_11
TRLR LEFT TURN RELAY CH09_11
BODY ACCESSORY RELAY CH09_10
TRLR AUX CTR PIN RELAY CH09_11
REAR REMOTE POWER MODULE CH09_15
FUEL HEATER & WIF MODULE CH07_09,CH09_07
FORWARD REMOTE POWER MODULE CH09_15
PAM MODULE CH07_11
EATON AUTOSHIFT CH10_06
AIR ABS RELAY CH09_02
HYD ABS MOD RELAY CH09_06
HYD ABS ECU RELAY CH09_04
J14W16RD
J14X16RD
J14BB14RD J72
12OR
J1
4J
12
RD
J1
4J
12
RD
J94A12GY
J14M10RD
*FUSEABLE LINK
IGN
RE
LA
Y R
9 C
H02_14
SYSTEMCONTROLLER
*12BL
*12BL
J1
4H
4R
D 12RD
12RD*14GY
40A
A5
J92FB16TN LCT SHIFT RELAY CHO3_17
10A
F2-C4 F2-D4
Figure 15 Battery
S082852a
16 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.4. 1708 DATA LINK, P. 4
K3
B(+
)1
8D
KB
L
K3
B(-
)1
8G
Y
10
A3
S(-
)1
8G
Y
9
J3+14218DKBL
W/V8-AVNT ENGINES
K3
B(-
)1
8G
Y
10
G2
1
10
J3C(+)18DKBL
W/ALLISON WTEC TRANSMISSION
J3D(-)18GY
W/EATON AUTOSHIFTTRANSMISSION
B7
J3C(-)18GY
A3
A(+
)1
8D
KB
L
11
J3D(+)18DKBL
20
ECM2CONN(6021)
C3
DASH/CENTERCHASSIS(9700)
17
(W/HYD ABS BRAKES)
A3T(+)18DKBL
11
C2
10
11
G3
AIR ABSECU #1(4024)
F
DIAGNOSTICCONN(1650)
L3-15118GY
W/AIR ABS BRAKESA
3S
(+)
18
DK
BL
B2
AUTOSHIFTSELECTOR(7905M)
9
17
ECU "S"CONN BLACK(7204F)
16
ECMCONN(6007)
J3A
(-)
18
GY
G
10
ENGINE(4103)
A3D
(-)
18
GY
B8
XMSN(4705F2)J1708 SPLICE
(4820)
A3
A(-
)1
8G
Y
C4
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
1708 DATA LINK
U00DAG9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
19JUN00 04AE08-52366
9PASS THRUAT DASH(4014)
(4820)J1708 SPLICE
L3+14218DKBL
J3
B(-
)1
8G
Y
21
J3-15118GY
K3
A(+
)1
8D
KB
L
G
10J3
A(+
)1
8D
KB
LJ3
B(+
)1
8D
KB
L
F
DIAGNOSTICCONN(1650)
N/EATON AUTOSHIFTTRANSMISSION
W/I6-HEUI ENGINES
A3
D(+
)1
8D
KB
L A3T(-)18GY
N3A(-)18GY
SEE CH09_04
N3A(+)18DKBL
SEE CH09_04
PRODUCTION RELEASE. A P54304UPEC 16JAN01
K3C(-)18GY
K3C(+)18DKBL
K3
A(+
)1
8D
KB
L
K3
A(-
)1
8G
Y
2
3
IDM2(6011)
ADDED IDM2 (6011). B P54634FPEC 18JUN01
Figure 16 1708 Data Link
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
17
2.5. SWITCH DATA LINK, P. 5
T3
BB
(+)
18
DK
BL
SWITCHPACK
(1101)
D E
E3
X(-
)1
8G
Y
A3Z(-)18GY
A3
J(+
)1
8D
KB
L
D3
AA
(-)
18
GY
DOOR PODSIGNAL
(3202)
D C
E3
W(+
)1
8D
KB
L
DOOR PODPASSENGER
(3204)
A B
ELECT SYSTEM CONTROLLER
(1600)
30 29
A3Y(+)18DKBL
D3
Y(+
)1
8D
KB
L
A3
K(-
)1
8G
Y
T3
AA
(-)
18
GY
RIGHT CREWDOOR POD
(3208)
B A
E3
X(-
)1
8G
Y
T3
AA
(-)
18
GY
DOOR PODSIGNAL
(3202)
C D
D3
B(+
)1
8D
KB
L
D3
BB
(+)
18
DK
BL
A3
P(-
)1
8G
Y
T3
BB
(+)
18
DK
BL
A3
W(+
)1
8D
KB
L
D3
CC
(-)
18
GY
CREW DOOR
(2600)
E BD
3Z
(-)
18
GY
A3
N(+
)1
8D
KB
L
DOOR POD SIGNAL
(3209)
C D
DRAWN
RELEASE NO.
NAME
DATE
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PART NO. SHEET
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
SWITCH DATA LINK
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 05AE08-52366
E3
W(+
)1
8D
KB
L
DOOR PODDRIVER
(3200)
B A
A3
E(+
)2
0D
KB
L
A3
X(-
)1
8G
Y
DOOR PODSIGNAL
(3209)
C D
A3
F(-
)2
0G
Y
LEFT CREW DOOR POD
(3208)
B A
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 17 Switch Data Link
S082852a
18 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.6. DRIVETRAIN 1939 DATA LINK (CAB), P. 6
A5B(-)20GN
A5B(+)20YL
A5
AM
(-)
20
LT
GN
A5
AL
(+)
20
YL
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
DRIVETRAIN 1939 DATA LINK (CAB)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 06AE08-52366
A5
AN
(+)
20
YL
A5AC(+)20YL
ELECT SYSTEM CONTROLLER
(1600)
34 35
A5A
V(+
)2
0Y
L
A5
BK
(-)
20
GN
120A
C
TERMINATINGRESISTOR
(1657M)
J1939SHIFTER
(1652)
A BCLUSTER
(1500)4 5
A5AG(+)20YL
A5
BE
(+)
20
YL
OPTIONALGAUGES
(1659)
A B
A5BA(+)20YL
TODRIVETRAINJ1939SEE CH02_07
A5
AF
(-)
20
GN
DIAGNOSTICCONNECTOR
(1650)
C D
A5
BF
(-)
20
GN
A5
BJ(+
)2
0Y
L
A5A
E(+
)2
0Y
L
A5C
(+)
20
YL
A5AR(+)20YL
A5
C(-
)2
0G
N
A5BC(+)20YL
A5
AV
(-)
20
GN
OPTIONALGAUGE PACK
(1510)
5 6
A5BG(+)20YL
A5
AP
(-)
20
GN
AUTO HVAC
(1658)
A B
A5A
V(+
)2
0Y
LS
EE
CH
10_07
A5
AV
(-)
20
GN
SE
E C
H10_07
DASH PASS THRU
(4014)11
12A5AS(-)20GN
A5AD(-)20GN
A5BB(-)20GN
A5BD(-)20GN
A5BH(-)20GN
A5AH(-)20GN
W/ EATONAUTOSHIFT
PRODUCTION RELEASE. A P54304U
SE
E C
H07_05
SE
E C
H07_05
PEC 16JAN01
REVISED 4014 PIN OUTS. B P54634FPEC 18JUN01
Figure 18 Drivetrain 1939 Data Link (Cab)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
19
2.7. DRIVETRAIN 1939 DATA LINK (CHASSIS), P. 7
(+)
20YL
W/WTEC
FROM DASH
PASS THRU
(4014)
(-)
20GN
(+)
20YL
(-)
20GN
WITHOUT WTEC
WITHOUT LCT
PAM MODULE
(4087)
7
9
8
(-)
20GN
(-)
20GN
SEE CH02_06 J5R(-)
20GN
(+)
20YL
AIR ABS
ECU #1
(4024)
D3
D2
C3
W/ AIR ABS BRAKES
(-)
20GN
(-)
20GN
W/AMMETER or PYROMETER
1
3
120 ohms
J5R(+)
20YL
(+)
20YL
(+)
20YL
ECU "S" CONN
BLACK
(7204F)
12
13
29
(+)
20YL
(+)
20YL
(-)
20GN
120
ohms
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
DRIVETRAIN 1939 DATA LINK (CHASSIS)
U00TRH2
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
22JUN00 07AE08-52366
ENGINE/
DASH
(4103)
9
7
8(-)
20GN
(+)
20YL
CAN(-)
CAN(+)
ECM2
(6020)
12
15
13
ECU "J1" CONN
(7305F)
31
29
32
W/LCT
SEE Chapter 10, Sheet 1
NOTE: NOT ALL MODULES NEED BE PRESENT.
J1939 BACKBONE BY-PASSES MISSING Y-SPLICES.
W/V8-AVNT
ECM
(6007)
19
18
20
W/I6
SEE CH07_11
SEE CH07_11
N/AMMETER
OR
PYROMETER
REM SHIELD/ADDED SPLICES D 56507KCNA 23AUG02
J1939
(7801F4)
2
1
3
C 55043ZJKP 11JAN02 ADDED SHT CALLOUT CH02.
Figure 19 Drivetrain 1939 Data Link (Chassis)
S082852a
20 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.8. GROUNDS CHASSIS, P. 8
J94-GHD18WH
J94-GHF18WH
J94-GHE18WH
J94-GHA14WH
J94-GHB14WH
J94-GHC14WH
STARTER GND(4036)
J94-GA12WH
J5M(D)20WH
PRIMARY IGN RELAY GND CH02_14
J94-GAB18WH
HYD MOD PUMP RELAY GND CH09_06
J11-GD18WH
ABS WARN LIGHT RELAY GND CH09_06
J11-GL4WH
J5M(S)20 SHLD
WIPER MOTOR GND CH03_09
J94-GAA18WH
ABS EVENT RELAY GND CH09_06
J11-GPM14WH
REAR REMOTE SOLENOID POWER MODGND CH09_15
AIR ABS GND CH09_02
J94-GH10WH
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
GROUNDS, CHASSIS
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
26MAY00 08AE08-52366
J82-G16WH
J1939 GND CH09_15
J94-GAD18WH
AIR ABS GND CH09_02
AIR ABS GND CH09_02
HYD ABS GND CH09_04
J11-GJ10WH
SYSTEM CONTROLLER SHD GND CH09_15
ABS ECU POWER RELAY GND CH09_02
HYD ABS GND CH09_04
GND(4005)(4006)
J11-G12WH
FWD REMOTE POWER MOD CH09_15
J11-GQR14WH
FWD CHASSIS GND CH03_6, CH08_02
HYD ABS MOD GND CH09_04
J11-GA14WH
J94-GAC18WH
REAR CHASSIS GNDCH07_08; CH08_01,02; CH09_01,09
J11-GPN16WH
J11-GQS14WH
(FWD ONLY)
(FWD AND REAR)
FWD REMOTE POWER MOD CH09_15
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 20 Grounds Chassis
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
21
2.9. GROUNDS CHASSIS, P. 9
J11-GAM12WH
J61-G18WH
J11-GPN16WH
J11-GPM16WH
J90-GM12WH
POWER PARK GND
J11-GBR18WH
TRAILER RIGHT TURN RELAY CH9_11
TRAILER LEFT TURN RELAY CH9_11
J11-GL4WH
J19-GA16WH
J11-GM8WH
POWER PARK GND
TRAILER AUX CENTER PIN RELAY CH9_11
EATON AUTOSHIFT GND
J11-GH8WH
FUEL HEATER RELAY CH9_07
J56-GH18WH
GND(4005)(4006)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
GROUNDS, CHASSIS
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
26MAY00 09AE08-52366
J90-G16WH
J19-G18WH
J11-GW18WH
CRANK INHIBIT W/AUTO NEUTRAL CH10_05
BODY BUILDER GND CH9_10
WORK LIGHT GND CH08_05
J57-GH18WH
ACCESSORY BODY BUILDER RELAY CH9_10
J44-GA16WH
J17-GR118PK
J11-GBG12WH
FUEL FILTER WARNING LIGHT GND CH07_09
J11-GBB12WH
TRAILER SOCKET GND CH9_11
STARTER GND(4036)
J65-G18WH
FLOW SWITCH GND CH09_8
J72-G18WH
TRAILER ABS CENTER PIN RELAY CH9_11
J44-G10WH
PAM MODULE CH7_11
FORWARD REMOTE POWER MODULE CH9_15
AIR SUSPENSION SOLENOID CH9_17
HYDRAMAX MOTOR CH9_08
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 21 Grounds Chassis (Cont.)
S082852a
22 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.10. GROUNDS IP, P. 10
A98-G
18WH
A84-G
14WH
RADIO GND CH3_08
A86-GA
14WH
A73-G
12WH
A28-G
18WH
A74-G
18WH
AUX PWR GND CH3_01
A11-GAB
20WH
PWM GND CH11_01
A11-GAD
16WH
A63-GA
20WH
SWITCH PAK GND CH3_11
CIGAR LTR GND CH3_01
FB2 IGN RELAY GND CH2_12
HVAC CONTROL GND CH11_01
A11-GDB
18WH
MARKER LTR GND CH8_04
DOME LT GND CH8_04
A11-GAH
14WH
A11-GAA
18WH
A86-G
18WH
A11-GF
16WH
CLUSTER GND CH7_05
A11-GA
10WH
CAB GND
STUD
(1851)
(1852)
(1859)
WASHER GND CH3_09
A11-G
10WH
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
GROUNDS, IP
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
9AUG00 10AE08-52366
A
DIAGNOSTIC
CONNECTOR
(1650)
1
SYSTEM CONTROLLER
(1600)
B
SYSTEM CONTROLLER
(1601)
16JAN01
B 56507KRMVD CLUSTER GND CH7_05
A P54304UPRODUCTION RELEASE.PEC
22AUG02CNA
Figure 22 Grounds IP
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
23
2.11. GROUNDS IP, P. 11
A28-GC18TN
A62-GC18WH
A23-GA18WH
A21-G16WH
GND STUD(1858)(1862)(1552F)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
GROUNDS, IP
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
9AUG00 11AE08-52366
A18818DKBL
PREMIUM TRIM GNDCH3_03
A81-GA12WH
A11-GDX16WH
A62-GD18WH
A81-G12WH
TRANSMISSION GNDCH10_03
A41-G18WH
A11-GBA18WH
A81-GB12WH
COURTESY LIGHT DRV CH8_04
TRANSMISSION GNDCH10_03
A11-GDW18WH
D
E
BU
SS
BA
R
F
G
J
H
A
K
B
C
GROUND(1003)
A81-GC12WH
COURTESY LIGHT PASS CH8_04A11-GDV18WH
A11-GAL12WH
POWER WINDOW / LOCK DRV CH3_04
OPT IGN RELAY GND CH2_13
POWER WINDOW / LOCK PASSTRAVEL CREW CH3_05
POWER WINDOW / LOCK PASS CH3_04
SNOW VALVESWITCH(1901)
A62-GF16WH
A18618DKBL
POWER WINDOW / LOCK DRVTRAVEL CREW CH3_05
A11-GH8WH
IP AIR HORN SWCH3_06
A11-GDY12WH
SEE CH03_07
10
ETHER START SWITCH (1010)
SEECH05_02
5B
SEE CH05_03
SHIFTER GND CH10_01
AUTO NEUTRAL LIGHT
MIRROR SWITCH
SEE CH10_05
PRODUCTION RELEASE. A P54304U PEC 16JAN01
Figure 23 Grounds IP
S082852a
24 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.12. IGNITION CAB, P. 12
A75D
18LTGN
A13C
18PK
A1
2A
B
18LT
BL
A1
3D
H
18
PK
A1
3D
D
18
PK
TRANSMISSION
A92VA
18VT
A1
4B
B
6R
D
A1
1-G
A
10W
H
NEG STUD
(1851)
A13DB
18PK
A75C
18LTGN
5A
C2 D2
CA
B F
US
E B
LO
CK
(10
12
)
F22
A13AG
18PK
5A
E1 F1F19
5A
G1 H1F17
CHAP 2_13
A14A
AA
6R
D
D3
F3
A1
5
18
RD
100A
MEGAFUSE
OFFOFFOFFOFF
A
AA
AI
II
I
S S SS
B
SGND
I A
HYDR BRAKES
A41B
18GY
F4
A13AF
18PK
5A
A1 B1
CA
B F
US
E B
LO
CK
(10
12
)
F23
5A
F2
E2
CAB FUSE BLOCK
(1011)
F6
A14A
A
6R
D
HEATER-A/C CONTROL
ACCELERATOR
D4
A
H2
G2
D2
C2
COMPASS/TEMPERATURE
IGN RELAY
CAB FUSE
BLOCK
(1012)
5A
A2 B2F24
OWNER/OPERATOR
IGN FEED
A14AV
10RD
NAME:A14AV
KEY SWITCH
(1100)
A99E
18VT
5A
C1 D1F21
B2
A2
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
12 VOLT
POWER DISTRIBUTION - IGNITION CAB
U00EDL2
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
22JUN00 12AE08-52366
A13AH
10PK
A1
3A
J
10
PK
A1
1-G
AF
16
WH
SEE CH02_01
13B
16PK
A
FUSE BLOCK 3&4
IGN FEED
(1102)
15
PASS THRU
(4014)
TO IGN RELAY
CHAP 2_14
CHAP 10_1
CHAP 3_03
CHAP 11_01
12
SYSTEM
CONTROLLER
(1600)
30
86
87
A87
85
A1
1-G
AD
16W
H
1012 WAS 1011, REWIRED C 56507KCNA 24AUG02
A
DIODE ASSY
(1106M)
A1
2
18
LT
BL
B
D C
A1
4A
S
10
RD
TO ACC RELAY
SEE CH02_01
CHAP 9_08
FUSE BLOCK
DRIVER DISPLAY
A13HC
16PK
A13HC
16PK
5A
E2
F2
F20
CHAP 1_03
A17H
18PK
CLUSTER
CHAP 6_04
A28A
18TN CHAP 7_05
CLUTCH
HVAC SYSTEMS
CHAP 11_01
Figure 24 Ignition Cab
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
25
2.13. IGNITION CAB, P. 13
A11-GBA18WH
SNOW VALVE SWITCHCONNECTOR
C2
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
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PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
12 VOLT POWER DISTRIBUTION -IGNITION CAB (CONT)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 13AE08-52366
CNA 21SEP02 DVD/ADDED KEY SWITCH (1100), DIODE ASSY. (1106M), CAB FUSE BLOCK (1011).
56507ZD
7.5A
A1 B1F33
A14FJ10RD
10A
G2 H2F28
5A
E1 F1F29
10A
A2 B2F34
BATT FEED
A13FA10PK
A49C18GY
A49E18GY
A13DA18PK
SEE CH05_03
CAB FUSE BLOCK(1013)
J3
G4
J4
G3
SEE CH02_11
CH2_02
CAB FUSE BLOCK(1013)
30
86
87A
87
85
CAB FUSE BLOCKIGNITION(1013)
10A
E2 F2F30
2 WAY RADIO
SEE CH03_10
SATELLITE COMMUNICATIONQUAL COMM-IMCT SYSTEM
SEE CH03_14
SEE CH03_13
LIFT AXLES
SEE CH09_25
A13F16PK
5A
C1 D1F31
ETHER START
OPTIONAL WARNINGLIGHTS
SEE CH07_08
SEE CH05_02
5A
G1 H1F36
5A
F2
E2CAB FUSE BLOCK(1011)F6
OFFOFFOFFOFF
A
AA
AI
II
I
S S SS
B
SGND I A
B2
A2
A13
DD
18
PK
A1
2A
B1
8L
TB
L
D
D2
C2
A1
51
8R
D
DIODE ASSY(1106M)
A12
18
LT
BL
A
A1
3D
H1
8P
K
H2
G2
A
C
B
A86P16LTGN
A21C16TN
A59H18BK
A59J18BK
A13E16PK
A1
3F
B1
0P
K
A13DB18PK
TO ACC RELAYCH2_01
A11-GAM16WH
KEY SWITCH
(1100)
Figure 25 Ignition Cab (Cont.)
S082852a
26 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
2.14. IGNITION FEEDS, CHASSIS, P. 14
_w20588_19FUSIBLE LINK
8RD
J92FN
16TN
J71
18LTBL
J14F
8RD
J14D
10RD
J61
18GY
J94A2
18PK
J94HD
18GY
J13AV
18PK
J13AS
18PK
J13X
18PK
10A
F1-G2 F1-H2
10A
F1-A1 F1-B1
MINI FUSE BLOCK
(4001)
FUEL TRANSFER PUMP CH09_09
10A
F1-A4 F1-B4
5A
F1-A2
F1-B2
WTEC AUTO NEUTRAL RELAY CH10_05
WASHER PUMP CH03_09
J23Z
18TN
10A
F1-A3F1-B3
J13E
14PK
J37C
18TN
ENGINE/DASH CONN V8-AVNT CH6_03
IGN SENSE LCT CH10_01
5A
F1-E1F1-F1
BACKUP LIGHT RELAY WTEC CH10_02
IGN SENSE WTEC CH10_03
BACKUP LIGHT LCT XMSN CH10_1
BACKUP LIGHT MANUAL XMSN CH8_01
J24C
18GY
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
IGNITION FEEDS, CHASSIS
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 14AE08-52366
5A
F1-E4F1-F4
A13C
18PK
30A
F1-E2 F1-F2
J92J
18TN
ECM 24 ENGINE CONN I6 CH6_01
BACKUP LIGHT W/EATON AUTOSHIFT
FAN SOLENIOD
J13S
14PK
20A
F1-E3 F1-F3
J13CW
10PK
HYD ABS FEED CH09_04
BACKUP LIGHT RELAY WTEC CH10_02
FAN CLUTCH
J71
18OR
15
PASS THRU
(4014)
J13T
14PK
10A
F1-G1
F1-H1
HEATED DRAIN VALVE CH09_01
AIR DRYER CH09_01
EXHAUST BRAKE RELAY CH06_01
J23FS
18TN
J92NA
18YL
J13M
18PK
J97U
18VT
J97UA
18VT
J87K
18GY
J39A
16GY
J39B
16GY
FUEL HEATER RELAY CH07_09,CH09_07
TRAILER ABS CENTER PIN
J71
18OR
SEE CH05_01
SEE CH05_01
F1-C1 F1-D1
5A
F1-C2 F1-D2
10A
F1-C4F1-D4
10A
F1-C3 F1-D3
AIR SUSPENSION CH09_17
AIR ABS RELAY CH09_02
J11-GD
18WH
J11-GD
18WH
CAB
GND
(4005)
(4006)
FROM
KEYSWITCH
CH02_12
86 87
30
87A
85
R9-5
R9-1
R9-4
R9-2
PRIMARY
IGNITION
RELAY
(4003)
J13C
18PK
J13W
14PK
10A W/SOLENIOD 5A W/CLUTCH
IGNITION
(4840)
ADDED PARK BRAKE, ABS D 56507KCNA 22AUG02
DELETED ABS WARN RELAY
LCT COLUMN SHIFTER CH03_17
J44N
16GYPARK BRAKE
J71J
18OR
J94AY
12GY ABS CH09_02
J71H
18OR
MEGAFUSE
Figure 26 Ignition Feeds, Chassis
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
27
2.15. START, P. 15
14
GY
J17E
10PK
J1
7
18
PK
A1
7
18
PK
A1
5
18
RD
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 2
12VOLT POWER DISTRIBUTION - START
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 15AE08-52366
OFFOFFOFFOFF
A
AA
A
II
II
S S SS
KEY
SWITCH
(1100)
B
SGND
I A
5A
F2
E2
FUSE BLOCK #2
(1011)F6
D2
C2
B2
A2
H2
G2
A14AAA
6RD
100A
MEGAFUSE
A14BB
6RDA14AA
6RD
8
PASS THRU
AT DASH
(4014)
J1
7D
10
PK
J17S
18PK
TO START SOLENOID POS
TO ENGINE
ECM
TO START SOLENOID
A14AS
10RD
A14AS
10RD
K14H
4RD
A
B
A17
18PKSEE CH10_05
W/AUTO NEUTRAL
CH4_1,2
CH4_1,2
CH4_1,2
NOTE:
SHOWN NOT WITH WTEC AUTONEUTRAL
ALSO SEE CH10_5
N/AUTO NEUTRAL
86
87
30
87
A
85
(4003)
STARTER
RELAYS
R12-1
R12-2
R12-3
R12-4
R12-5
BLOCK
C 56507KFUSIBLE LINK WAS MAXIFUSE 23AUG02CNA
Figure 27 Start
S082852a
28 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3. CAB ACCESSORIES (CHAPTER 3)
3.1. CIGAR LIGHTER AND POWER FEEDS, P. 1
A86-GA
14WH
AA86-GA
14WH
B
CIG LTR
PWR SOURCE
(1860)
B
60AMP POWER FEED
TO POINT A
THIS SHEET
B
A86N
14LTGN
CIG LTR
PWR
(1854)
A
AUXILIARY
POWER
(10)
A86M
14LTGN
A
AUXILIARY
POWER
(10)
15A
H3G3
F3
TO POINT A
THIS SHEET
B
CIG LTR
PWR SOURCE
(1860)
A86-GB
14WH
A86N
14LTGN
A
PTC BODY BUILDER
DCM BATT FEED
(1820)
A
TWO POST
PWR SOURCE
(1861)
(STANDARD EQUIPMENT)
BA86-GA
14WH
NEG
STUD
(1851)
(OPTIONAL WIRING 1)
60A
A2MAXIFUSE
BLOCK
(4000)
A
J14MM
8RD
A86-GA
14WH
A86M
14LTGN
A84
14LTGN
(OPTIONAL WIRING 2)
POINT A
CIG LTR
P14
8RD
BODY BUILDER
FEED STUD
(1870)
A86-GA
14WH
B
A86M
14LTGN
A84-G
14WH
(OPTIONAL WIRING 3)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
CIGAR LIGHTER & POWER FEEDS
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
26JUN00 01AE08-52367
A
AUXILIARY
POWER
(10)
20A
B2A2
F14
A
TWO POST
PWR SOURCE
(1861)
CIG LTR
GND
(1853)
A86-GB
14WH
A86M
14LTGN
A86M
14LTGN
A86
-GA
14W
H
CIGAR LIGHTER
A11-GA
10WH
TO POINT A
THIS SHEET
20A
B2A2
F14
B
(CH 2, PG 2)
(CH 2, PG 2)
(CH 2, PG 2)
(CH 2, PG 2)
PRODUCTION RELEASE. A P54304UPEC 16JAN01
CAB FUSE BLOCK
(1011)
CAB FUSE BLOCK
(1011)
CAB FUSE BLOCK
(1011)
CAB FUSE BLOCK
(1011)
20A
B2A2
F14
F14 WAS F2 B 56507K23AUG02CNA
Figure 28 Cigar Lighter and Power Feeds
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
29
3.2. CB POWER, P. 2
C11
-GF
16W
H
B
C8
6F
16LT
GN
ROOF/IP
CONN
(2000)12 11
CAB FUSE
BLOCK
(1011)
A11-G
10WH
A11-GF
16WH
D11
-GF
16W
H
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
CB POWER
U00EDL2
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 02AE08-52367
10A
H1
G1
F1
C86
-GF
16
WH
A
NEGATIVE
STUD
(1851)
D86
F
16L
TG
N
CONSOLE/
ROOF
(2502)A B
CB RADIO
POWER
(2303)
(CH
2, P
G 1
)
PRODUCTION RELEASE. A P54304UPEC 16JAN01
A8
6F
16
LT
GN
56507KBCHGD F20 TO F1, 1012 TO 101123AUG02CNA
Figure 29 CB Power
S082852a
30 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.3. COMPASS AND TEMPERATURE DISPLAY, P. 3
J41
A
18
GY
J4
1
18
GY
H
35PASS THRU
(4014)
A62F
18DKBL
B
E
A41-G
18WH
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
COMPASS AND
TEMPERATURE DISPLAY
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 03AE08-52367
H
GROUND
(1003)
ADOME/READING LIGHT
COMPASS/TEMP UNIT
(2117)
34
4 103
C4
1
18
GY
C41B
18G
Y
C4
1-G
18W
H
5A
B1
A1
F23
A41
18GY
2
G
C4
1A
18
GY
A41
B
18
GY
C6
2F
18
DK
BL
G
PANEL LIGHT
BUSS BAR
(1002)
A
TEMP
SENDER
(8601)
COMPASS/TEMP
MODULE
GR
OU
ND
12
V IG
N
DIM
ME
R
TE
MP
+
TE
MP
-
A41A
18GY
1
CONSOLE/IP
PREMIUM
(2503)
D
CBAUX FWD/DASH
(4305)
M4
1
18
GY
M4
1A
18
GY
SEE CH08_08
PRODUCTION RELEASE. A P54304UPEC 16JAN01
CAB FUSE
BLOCK
(1012)
RMVD 1200, F23 WAS F10 B 56507K23AUG02CNA
Figure 30 Compass and Temperature Display
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
31
3.4. FRONT DOORS WINDOWS AND LOCKS (POWER), P. 4
A81B
12LTGN
A3N(+)
18DKBL
A3E(+)
20DKBL
A3W(+)
18DKBL
A3Y(+)
18DKBL
A3X(-)
18GY
A3F(-)
20GY
A3P(-)
18GY
A81-G
12WH
A81-GB
12WH
A11-GH
10WH
A81A
12LTGN
E
F
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
FRONT DOORS
WINDOWS AND LOCKS (POWER)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 04AE08-52367
WINDOW
MOTOR
(3100)
B A
C
D
F
CAB FUSE BLOCK
(1011)
C
WINDOW
MOTOR
(3100)
A B
29
SYSTEM
CONTROLLER
(1600)
30A
B3 A3
F15
A
DOOR/IP
(3200)
A
DOOR/IP
(3204)
B
30A
B4 A4
F16
B
NEGATIVE
STUD
(1858)
30
DOOR
LOCK
(3203)
B A
DOOR
LOCK
(3203)
A B
E
D
WINDOW
DATA +
ADDRESS 1
DO
OR
PO
D
DATA -
LOCK
LOCK
WINDOW
ADDRESS 2
POWER
GND
B
F
E
C
D
B
D
C
A
A
G
DOOR
POD SIGNAL
(3202)
DOOR
POD LOAD
(3201)
WINDOW
DATA +
ADDRESS 1
DO
OR
PO
D
DATA -
LOCK
LOCK
WINDOW
ADDRESS 2
POWER
GND
B
F
E
C
D
B
D
C
A
A
G
DOOR
POD SIGNAL
(3202)
DOOR
POD LOAD
(3201)
ite_drawn:
NOTE:
THE DOTTED LINES
ARE AN OPTION FOR TRAVEL
CREW DOOR PODS
A81-GA
12WH
E3X(-)
18GY
E3W(+)
18DKBL
E81-GA
12WH
E81B
12LTGN
E3X(-)
18GY
E3W(+)
18DKBL
E81-GA
12WH
E81B
12LTGN
E83E
14LTGN
E83A
14LTGN
E81A
14LTGN
E8
1E
14L
TG
N
E83E
14LTGN
E83A
14LTGN
E81A
14LTGN
E8
1E
14L
TG
N
CAB FUSE BLOCK
(1011)
PA
SS
EN
GE
R
DR
IVE
R
SEE CH03_05
SEE CH03_05
A3Z(-)
18GYSEE CH03_05
SEE CH03_05 A81-GC
12WH
B 56507KF15 WAS F27, F16 WAS F34,
1011 WAS 1013
23AUG02CNA
Figure 31 Front Doors Windows and Locks (Power)
S082852a
32 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.5. CREW DOORS WINDOWS AND LOCKS (POWER), P. 5
T3BB(+)
18DKBL
E
D3B(+)
18DKBL
A
LEFT CREW
DOOR POD
(2601)
D
A81C
12LTGN
F
DOOR
LOCK
(3211)
B A
D
A3
Y(+
)
18
DK
BL
D81-GD
12WH
D81C
12LTGN
A
ROOF / IP
CREW DOOR
(2600)
B
A8
1-G
B
12
WH
D81
-GB
12
WH
30A
B1 A1
F43
D3AA(-)
18GY
E
E
A3Z
(-)
18
GY
D81-GG
18WH
B
D81D
12LTGN
D3CC(-)
18GY
F
WINDOW
MOTOR
(3002)
A B
C
D81-GE
18WH
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
CREW DOORS
WINDOWS AND LOCKS (POWER)
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 05AE08-52367
D3BB(+)
18DKBLB
C
DOOR
LOCK
(3211)
A B
C
A
RIGHT CREW
DOOR POD
(2602)
CAB FUSE BLOCK
(1014)
D81-GF
12WH
D
WINDOW
MOTOR
(3002)
B A
D3Y
+)
18D
KB
L
F
A81D
12LTGN
D81
-GC
12
WH
30A
H1 G1
F37
D3
Z(-
)
18G
Y
T81E
12LTGN
WINDOW
DATA +
ADDRESS 1
DO
OR
PO
D
DATA -
LOCK
LOCK
WINDOW
ADDRESS 2
POWER
GND
B
F
E
C
D
B
D
C
A
A
G
DOOR
POD SIGNAL
(3209)
DOOR
POD LOAD
(3210)
WINDOW
DATA +
ADDRESS 1
DO
OR
PO
D
DATA -
LOCK
LOCK
WINDOW
ADDRESS 2
POWER
GND
B
F
E
C
D
B
D
C
A
A
G
DOOR
POD SIGNAL
(3209)
DOOR
POD LOAD
(3210)
ite_drawn:
T8A
18WHT8A
18WH
T81E
12LTGN
T83F
12LTGN
T83C
12LTGN
T81C
12LTGN
T8
1F
12
LT
GN
T83F
12LTGN
T83C
12LTGN
T81C
12LTGN
T81F
12L
TG
N
T81-GD
12WH
T3BB(+)
18DKBL
T3AA(-)
18GY
T8B
18WH
CAB FUSE BLOCK
(1014)
SE
E C
H0
3_
04
SE
E C
H0
3_
04
SE
E C
H0
3_
04
A81
-GC
12
WH
SE
E C
H0
3_
04
LE
FT
CR
EW
T8B
18WH
T3AA(-)
18GY
T81-GD
12WH
RIG
HT
CR
EW
F37 WAS F28, F43 WAS F35 B 56507K
1014 WAS 1013
22AUG02CNA
Figure 32 Crew Doors Windows and Locks (Power)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
33
3.6. HORN, DUAL ELECTRIC, P. 6
M11-GC12WH
5
AIR
HO
RN
A9M18GY
AIR
HO
RN
A4CAB/DCM (1800)
A8
5B
20
GY
20
M8
5E
16
GY
B9
V1
8G
Y
ESYSTEMCONTROLLERBROWN FRONT(4007)
A9
V1
8G
Y
CIT
Y H
OR
N
3
SYSTEMCONTROLLER (1600)
ZE
RO
VO
LT
RE
F
20
D
10
M1
1-G
12
WH
A9
H2
0G
Y
A85K18GY
A6
2R
18
DK
BL
F
GROUNDADAPTER(1003)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
HORN, DUAL ELECTRIC
U00EDL2
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
19JUN00 06AE08-52367
A8
5C
20
GY
B
J11-G12WH
B10
3
A6
2-G
F1
8W
H
A
RIGHT SIDEELECT HORN (8312)
J11-GJ10WH
13
EL
EC
HO
RN
SW
(4006)GND 2
B8
5B
18
GY
CACLOCKSPRING(1809)
M85-GD16WH
W/INSTRUMENT PANEL HORN SWITCH
E
PANEL LIGHT BUSS BAR (1002)
B
B8
5C
18
GY
18
1310FWD CHASSIS/DASH(4301)
M11-GD12WH
A85L18GY
A8
5C
20
GY
B11
A
LEFT SIDEELECT HORN (8311)
2B
HORNSWITCH(1018)
M85-GE16WH
8
20
B9
R1
8G
Y
M85L16GY
M85-GA16WH
M85-GC16WH
B
A
(8301)
M85J16GY
M85K16GY
J8
5A
A1
6G
Y
SEE CH08_08
GROUNDADAPTER #1(8800)
GROUNDADAPTER #2(8801)
RADIATORA
RADIATOR GND (8600)
PRODUCTION RELEASE. A P54304UPEC 16JAN01
Figure 33 Horn, Dual Electric
S082852a
34 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.7. MIRRORS (HEATED, LIGHTED AND POWER), P. 7
A62
D
18
DK
BL
E
HSYSTEM CONTROLLER
(1601)
H
A78P
16
LT
GN
10A
H2
G2
(1012)
F18
A78-GD
16WH
F
DOOR/IP
MIRROR
(3000)
A
DOOR/IP
MIRROR
(3003)
ANT GND
AXIS
D
E
LIGHT
C
HEATER
AXIS
B
G
L/R
A
F
U/D
DRIVER
POWER
MIRROR
K
J
10A
B1
A1
F13
CAB FUSE BLOCK (1011)
A78-GB
16WH
D
A58
S
16
BN
A7
8H
16LT
GN
ANT GND
AXIS
D
E
LIGHT
C
HEATER
AXIS
B
G
L/R
A
F
U/D
PASSENGER
Power
Mirror
20BL
CAB FUSE
BLOCK
20OR
A1
A2
A3
A4
B1
B2
B3
B4
MIRROR
SWITCH
D
G
CAB FUSE
BLOCK
J
20BL
BB
A78D
18LTGN
K
G
F
E
A78L
18LTGN
A78E
18LTGN
20WH
A
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
MIRRORS (HEATED, LIGHTED & POWER)
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 07AE08-52367
H
A78
M
16
LT
GN
A58U
18BN
CA78F
18LTGN
5A
B4
A4
(1013)F36
C
A7
8
14
LT
GN
G
A58T
18BN
A78J
16LTGN
20OR
20YL
20BN
18RD
18DKGN
18BK
18OR
18BN
18YL
18RD
18LTGN
18BK
18BK
20YL
A1
1-G
DY
12
WH
SEE CH02_11
SE
E C
H0
8_1
0
PRODUCTION RELEASE. A P54304UPEC 16JAN01
23AUG02 56507KREV FUSE BLOCK/DEL A. GNDCNA B
Figure 34 Mirrors (Heated, Lighted and Power)
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
35
3.8. RADIO (ENTERTAINMENT), SPEAKERS, P. 8
A8
6-G
20
WH
A6218DKBL
4
ROOFCONN(2000)
8 6
PREMIUMROOFCONN(2503)
GND STUD(1851)
1
CAB FUSE BLOCK (1012)
LEFT CONSOLE SPEAKER
(2305)
A B
+ -
C8
6K
18
LT
GN
CLUSTER CONN (1500)
7
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
RADIO (ENTERTAINMENT), SPEAKERS
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
25AUG00 08AE08-52367
CNA 16SEP02 DVD/ADDED PREMIUM RADIOWIRING.
56507ZD
5
RIGHTCONSOLESPEAKER
(2304)
A B
+ -
W/PREMIUMCAB TRIMONLY
13
LEFT REAR SPEAKER
(2302)
A B
+ -
NOTE: REAR SPEAKER WIRING IS THE SAME FOR STD, EXTENDED AND TRAVEL CREW CAB.
9
A86J20LTGN
C8
6H
18
LT
GN
RIGHT REAR
SPEAKER(2301)
A B
+ -
10A
D4
C4
F1210A
H1
G1
F23
D8
6B
18
LT
GN
D8
6D
18
LT
GN
C8
6L
18
LT
GN
C8
6J
18
LT
GN
D8
6C
18
LT
GN
D8
6E
18
LT
GN
1
CAB FUSE BLOCK (1011)
A86D20LTGN
A86L20LTGN
A86K20LTGN
A86H20LTGN
A62E20DKBL
A86C20LTGN
A86B20LTGN
A8
6A
18
LT
GN
LEFT CONSOLE
RIGHT CONSOLE
RADIO POWER
RIGHT FRONT +
LEFT FRONT +
LEFT REAR -
RADIO MEMORY
PANEL LIGHT
RIGHT REAR -
RIGHT REAR +
LEFT REAR +
GROUNDC
B
O
I
K
M
J
L
D
F
G
E
A86
18
LT
GN
A86E20LTGN
5
3
7
10
4
11
12
1
7
6
8
2
GROUND
LEFT REAR +
RIGHT REAR +
RIGHT REAR -
LEFT REAR -
PANEL LIGHT
RADIO MEMORY
LEFT FRONT +
RIGHT FRONT +
RADIO POWER
RIGHT CONSOLE -
LEFT CONSOLE -
A1
1-G
A1
0W
H
RADIOCONN(1301)
RADIOCONN(1300)
PREMIUM RADIO
AM-FM CASSETTE BASE RADIO
W/PREMIUMRADIO ONLY
Figure 35 Radio (Entertainment), Speakers
S082852a
36 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.9. WINDSHIELD WIPER AND WASHER PUMP, P. 9
J87B
18GY
J87KA
18GY
J87C
18GY
N87DB
18GYJ87KB
18GY
N87DB
18GY
J87CA
18GY
N87EA
18GY
J82L
16GY
J82H
16GY
J82RH
18GY
J82P
16GY
J82RP
18GY
J8
2H
L
16G
Y
J82
FA
18
GY
J82
FB
18
GY
J82HLP
16GY
N87HA
18GY
(1810)
22
(4006)
GND 2
A9H
20GY
5
B87A
18GY
A87A
20GY
WIPER 0
20GN
3
30
PASS THRU
AT DASH
(4014)
C1
24A82B
20GY
A3
12
8
GND
LO
HI
WV50V
2.2uF x2A
B+
4.4uH x3
PRK
C/B
WIPER MOTOR
(4015)
A
B
C
D
E
2
1
WASHER PUMP
(9747)
SYSTEM CONTROLLER
BLUE
(4008)
A82A
20GY
B82
18GY
7
WASHER20YL
DCM
CONNECTOR
(1800)
WIPER 1
20RD
WASHER FLUID
LEVEL SENSOR
(9748)
12
B1
WIPER 1
28
WIPER HIGH
WINDING
A82
20GY
6
A11-GAA
18GY
23
SYSTEM
CONTROLLER
J82-G
16WH
B9S
18GY
A87C
18GY
F
11
WIPER 0
C9
WIPER 2
B82A
18GY
B82B
18GY
B9U
18GYA5
A11-G
10W
H
WASHER PUMP
WIPER 2
20OR
20WHA4
12
SYSTEM CONTROLLER
(4004)
TURN SIGNAL
SWITCH(1600)
(1852)
NEGATIVE
STUD
J1
1-G
J
10
WH
A9V (250)
18GY
A87B
18GY
DRAWN
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DATE
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PART NO. SHEET
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
WINDSHIELD WIPER AND WASHER PUMP
U00JXP9
52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 09AE08-52367
LOW WASHER
FLUID LIGHT DIGITAL
ZERO VOLT REFERENCE
B11-GAA
18WH
5 AMPF1-D2 F1-C2 MINIFUSE
BLOCK
(4001)
ZERO VOLT REF
SPLICE
(8802)
30
86
87A
87
85
WIPER PWR
RELAY
(4003)
R1-1
R1-2
R1-3
R1-5
R1-4
30
86
87A
87
85
WIPER
HI-LOW
RELAY
(4003)
R2-1
R2-2
R2-3
R2-5
R2-4
J82F
16GY
J82B
16GY
29
20
SYSTEM CONTROLLER
(4004)
D3
D2
D6
CENTER
CHASSIS
(9700)
J87BB
18GYNOTE:
ALL DASH LINES REFER TO
RH-MRD MODELS.
ADDED RH-HDD & SS. C 55043ZJKP 11JAN02
22AUG02 J87KA WAS J87K D 56507KCNA
Figure 36 Windshield Wiper and Washer Pump
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
37
3.10. 2–WAY RADIO, P. 10
A1
3F
A
18
PK
A86P
16
LT
GN
A11
-GA
P
16
WH
A14
HC
16
RD
J1
4-G
D
16W
H
J1
4H
C
16
RD
N14
-GD
10
WH
N1
4H
C
10
RD
N1
4H
C
10
RD
N14
HB
10
RD
DRAWN
RELEASE NO.
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DATE
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INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
2-WAY RADIO
U00DLCK
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
19JUN00 10AE08-52367
2-WAY
RADIO
CONN
(6334)
A B
PASS THRU
(4014)21 28
20A
B
A
5A
F2
E2
F30
A
A
N1
4-G
D
10W
H
(9265) 2-WAY RADIO
NEGATIVE CONN
(9263)
2-WAY RADIO
POSITIVE CONN
(9264)
2-W
AY
RA
DIO
BT
RY
PO
SIT
IVE
2-W
AY
RA
DIO
BT
RY
NE
GA
TIV
E
BATTERY
2-W
AY
RA
DIO
CO
NN
EC
TIO
NS
EE
CH
02_
13
CAB FUSE
BLOCK
(1013)
A13FA WAS A13DF, F30 WAS C 56507K22AUG02
F38, 1013 WAS 1014
CNA
Figure 37 2–Way Radio
S082852a
38 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.11. SWITCH PACK, OPTIONAL GAUGE PACK, P. 11
A5C(-)
20LTGN
A5C(+)
20YL
A14FF
18RD
A62S
18DKBL
A12FC
18LTBL
A11-GJ
18WH
A12P
18LTBL
DRAWN
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
SWITCH PACK, OPTIONAL GAUGE PACK
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
09AUG00 11AE08-52367
F
GROUND
SWITCH D/L +
POWER
BACKLIGHT
C
E
SWITCH D/L -
F
D
ADDRESS SEL
B
SWITCH D/L +
A
POWER
B
A
BACKLIGHT
C
E
SWITCH D/L -
D
ADDRESS SEL
GROUND
(1101)
(1101A)
SWITCH PACK
NEG STUD
(1851)
5 A
F1
E1
CAB FUSE
BLOCK
(1011)
F5
A11-GDB
18WH
A1
1-G
A
10
WH
A62C
18DKBL
A6
2
18D
KB
L
A
DRIVETRAIN
J1939
(1659)
B
1
CLUSTER
(1500)
A3E(+)
20DKBL
A3F(-)
20GY
2930
SYSTEM
CONTROLLER
(1600)
NOTE:
FOR MULTIPLE SWITCH PACKS,
CONNECT 1101 OF NEXT SWITCH
PACK TO 1101A OF PREVIOUS
SWITCH PACK. CONNECT OPTIONAL
GAUGE PACK TO LAST SWITCH
PACK.
A3J(+)
18DKBL
A3K(-)
18GY
F
GROUND
SWITCH D/L +
POWER
BACKLIGHT
C
E
SWITCH D/L -
F
D
ADDRESS SEL
B
SWITCH D/L +
A
POWER
B
A
BACKLIGHT
C
E
SWITCH D/L -
D
ADDRESS SEL
GROUND
(1101)
(1101A)
SWITCH PACK
TO
PR
EV
IOU
S
SW
ITC
H P
AC
K
TO
NE
XT
SW
ITC
H
PA
CK
OR
OP
TIO
NA
L
GA
UG
E P
AC
K
A12FC WAS A13FC;F39 WAS C 56507K23AUG02CNA
5 A
F1
E1
CAB FUSE
BLOCK
(1014)
F39
7
8
1
5
2
6
3
4
9
10
11
13
12
14
BATTERY
ACCESSORY
GROUND
BACKLIGHT
DRIVE TRAIN J1939 (+)
DRIVE TRAIN J1939 (-)
OPTIONAL GUAGE
PACK
(1510)
F12;F5 WAS F19.
Figure 38 Switch Pack, Optional Gauge Pack
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
39
3.12. LIGHTED AIR SHIELD, P. 12
A58AE
20BN
WH
18
WH
B
K
18
BK
A11-G
HF
18
WH
A5
8A
D
18
BN
A5
8A
C
18
BN
A58AB
18BN
DRAWN
RELEASE NO.
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DATE
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PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
LIGHTED AIR SHIELD
U00DLCK
P54304U
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
16JAN01 12AE08-52367
10A
F2 E2
30
86
87
A8
785
A
CAB FUSE BLOCK
(1014)
BATTERY FEED
D4
F4
F3
D3
BIP/AUX ROOF
CONNECTION
(2022)
6SYSTEM
CONTROL
(1600)
CONTROL = (HEADLIGHTS AND /OR PARK LIGHTS) & ACC
SEE CH02_02
GROUND
ADAPTER
BUSS BAR
(1003)
F40
MULTIPLE CHANGES A P54634FPEC 18JUN01
CNA 23AUG02 F40 WAS F39. B 56507K
Figure 39 Lighted Air Shield
S082852a
40 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.13. ROOF AUX. LOAD, P. 13
D5
8-G
W
14
WH
D5
8W
14B
N
A11-GAM
18WH
A1
1-G
HE
14
WH
A12U
14LT
BL
A1
2Z
14
LT
BL
A14FR
10RD
A12V
14LTBL
A12Y
14LTBL
A12X
14LTBL
DRAWN
RELEASE NO.
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DATE
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
ROOF AUX LOAD
U00DLCK
P54304U
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
16JAN01 13AE08-52367
20A
A4
B4
3086
87A 87 855A
B3
A3
J
2B
3
7
8
9
CAB FUSE
BLOCK
(1013)
AUX ROOF LOAD
SWITCH CONNECTOR
(1915)
PANEL LIGHT
ADAPTER
BUSS BAR
(1002)
SEE CH08_08
BA
A1
2-G
B
14
WH
A12-GA
18WH
JIP/AUX ROOF
CONNECTION
(2021)
GROUND
ADAPTER
BUSS BAR
(1003)
CAB FUSE
BLOCK
(1014)
AUX ROOF LOAD
CAB FUSE
BLOCK #4
(1014)
SEE CH02_13
BATT FEED
SEE CH02_02
CAB FUSE
BLOCK
(1013)
G4 J4
J3 G3
A3 WAS G1; B3 WAS H1 B
F35
F45
A62U
18DKBL
A62U
18DKBL
CNA 23AUG02
1013 WAS 1012.
56507K
Figure 40 Roof Aux. Load
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
41
3.14. SATELLITE COMMUNICATION QUALCOMM-MCT AND IMCT SYSTEMS, P. 14
D1
4A
F
16
RD
D1
3F
16P
K
D62B
16
DK
BL
D3
AB
(+)
18
DK
BL
D3AB(-)
18GY
D11-GG
16WH 14
QA
16
RD
62
QA
16
LT
GN
13
QA
16
DK
BL
11
-GQ
B
16W
H
11-G
Q
16W
H
11-G
QC
16
WH
14Q
B
16
OR
14Q
C
16
RD
D11-GG
16WH
D62B
16DKBL
D13F
16PK
D14AF
16RD
A11-GG
16WH
A3AB(-)
18GY
A3AB(+)
16DKBL
A62
B
16
DK
BL
A13F
16PK
A14AF
16RD
A13E
16PK
DRAWN
RELEASE NO.
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DATE
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PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 3
SATELLITE COMMUNICATION
QUALCOMM-MCT & IMCT SYSTEMS
U00DLCK
P54304U
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
16JAN01 14AE08-52367
10A
B2 A2
10A
G2H2
MSG
LIGHT
CE F DB A
A DC B
C BAFE D
F
AEC F
C
D
D
D
B
CAB FUSE
BLOCK
(1014)
OPT WARN LIGHT
CONNECTOR
(1555M)
NEG STUD
(1865)
J1708 PUBLIC (+)
(1660)
J1708 PUBLIC (-)
(1661)
QUALCOMM POWER
(1902F)
MCT SYSTEM
QUALCOMM POWER CONN
(2700M)
MCT SYSTEM
QUALCOMM
POWER-CONN
(2701F)
COMMUNICATION
CONNECTOR UNIT
(XXXX)
B A C D
MCT
SATELLITE COMMUNICATION
QUALCOMM SYSTEM
B DC E F A
IMCT SYSTEM
QUALCOMM PWR CONN
(2702M)
IMCT SYSTEM
QUALCOMM
POWER CONN
(2703M)
IMCT SATELLITE
ANTENNA CONNECTION
CONNECTOR
9 TERMINAL
DISPLAY/KEYBOARD
CONNECTOR
PANIC BUTTON
(NOT USED)
TTRACS
(NOT USED)
A
B
OR
AN
GE
BL
UE
A
BL
AC
K
CABLE
YE
LLO
W
YE
LL
OW
YE
LL
OW
WH
ITE
WH
ITE
GR
EE
N
GR
EE
N
BR
OW
N
BR
OW
NR
ED
RE
D
BLA
CK
BLA
CK
BLA
CK
IMCT
SATELLITE COMMUNICATION
QUALCOMM SYSTEM
F28
F38
CNA 23AUG02 F28 WAS F36;F38 WAS F37. A 56507K
Figure 41 Satellite Communication Qualcomm-MCT and IMCT Systems
S082852a
42 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.15. SELF CONTAINED AIR SEAT, P. 15
A14J
14
RD
WH
14WH
RD
14
RD
NAVISTAR INTERNATIONAL TRANSPORTATION CORPELECTRICAL CIRCUIT DIAGRAM
RELEASE NO. DATE
CHK
SHEET
REV DRAWN NAME
PART NO.
CHANGEDATE REFERENCE
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHAPTER 3
SELF CONTAINED AIR SEAT
U00ARW2
P54634F
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
31MAY01 15AE08-52367
AIR SEAT
(1918)
A B
DASH GROUND
STUD
FROM BATT FEED
FUSE F38
CNA 26AUG02 F38 WAS F37;RD WIRE WAS
WH.
A 56507K
Figure 42 Self Contained Air Seat
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
43
3.16. DIGITAL CLOCK PTC, P. 16
NAVISTAR INTERNATIONAL TRANSPORTATION CORPELECTRICAL CIRCUIT DIAGRAM
RELEASE NO. DATE
CHK
SHEET
REV DRAWN NAME
PART NO.
CHANGEDATE REFERENCE
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHAPTER 3
DIGITAL CLOCK PTC
U00DLCK
P54634F
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
05MAY01 16AE08-52367
GEOMETRY WAS
REMOVED
CNA 26AUG02 GEOMETRY WAS REMOVED. A 56507K
Figure 43 Digital Clock PTC
S082852a
44 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
3.17. TRANSMISSION ALLISON LCT COLUMN SHIFTER, P. 17
J9
2F
BA
16
TN
J9
2F
N1
6T
N
J92RD16TN
L1
3M
31
8P
K
L13#10418PK
L13#10218PK
L1
3M
41
8P
KJ9
2N
B1
6T
N
J9
2F
B1
6T
N
NAVISTAR INTERNATIONAL TRANSPORTATION CORP ELECTRICAL CIRCUIT DIAGRAM
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHANGEDATE REVCHK REFERENCE
SHEETPART NO.DATE
NAME
RELEASE NO.
DRAWN
CHAPTER 3
XMSN ALLISON LCT COLUMN SHIFTER
U00DLCK
55043Z
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
02JAN02 17AE08-52367
CNA 25SEP02 DVD/F2-C4 WAS F2-A4, F2-D4WAS F2-B4.
56507ZB
10A
F1-H
2
F1-G
2
10A
F2-D
4F
2-C
4
3086
87A8785
19
SYSTEMCONTROLLER(4004)
MICRORELAY(4002)
(4001)
G XMSN(4705)
2
4
ECU "J1"GRAY(7305)
ENSBU SWVEHICLE(7301)
BA
TT
IGN
Figure 44 Transmission Allison LCT Column Shifter
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
45
4. 12V CHARGING + CRANKING SYSTEM (CHAPTER 4)
4.1. I6 HEUI ENGINES, P. 1
J17D
10PK
2/0
BK
J14H
4RD
K17
M
18
WH
DRAWN
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 4
CHARGING AND CRANKING
I6-HEUI ENGINES
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 01AE08-52368
GR
B
ALTERNATOR
BATTERIES
ENGINE
BLOCK
GND
DASH PANEL
GND
(4005)
FRAME
GND
100A
MEGAFUSE
A17
18PK
MAXIFUSE
BLOCK (4000)
J17S
18PK
8
PASS THRU
AT DASH
(4014)
J17
18PK
CECM POWER
STARTER
(4101)
K11-G
L
4W
H
K2
-G*
4W
H
K2*
4RD
2/0RD
K10-GC
1BK
1/0RD
1/0BK
KEYSWITCH S
(1100) B
17
ENGINE/
DASH
(4103)
46ECM
(6007)
K17L
18PK
K17K
18PK
K17
C
10P
K
J17
E
10P
K
FUSIBLE
LINKS
SEE NOTE
SEE NOTE
NOTE:
FOR CIRCUIT K14H FUSELINKS ARE 2-12BL
WITH 4 GAUGE CHARGE CIRCUITS K2-G & K2 FUSELINKS ARE 2-12BL
WITH 2 GAUGE CHARGE CIRCUITS K2-GA & K2A FUSELINK ARE 2-10RS
WITH 1 GAUGE CHARGE CIRCUITS K2-GB & K2B FUSELINK ARE 3-12BL
FUSIBLE
LINKS
2/0
BK
N/THERMAL
OVERCRANK
PROTECTION
W/THERMAL
OVERCRANK
PROTECTION
CRANKING
MOTOR
SOLENOID
CRANKING
MOTOR
THERMAL
OVERCRANK
(6316)
A
B
B S
M
G
K14H
4RD
W/AUTO NEUTRALJ17E
10PK SEE CH10_05
86
87
30
87A
85
STARTER
ISO & POWER
RELAY
(4003)
R12-1
R12-2
R12-3
R12-4
R12-5
REVISED BATTERY GND. C 56507K22AUG02
FRAME
GND
FUSIBLE
LINK
14GY
RMVD MAXIFUSE BLOCK
CNA
Figure 45 I6 HEUI Engines
S082852a
46 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
4.2. V8 AVNT ENGINES, P. 2
J17D
10PK
K1
7L
18P
K
K17L
18PK
K17K
18PK
A
ECM
NEGATIVE
(9260)
100A
MEGA-
FUSE
A17
18PK
BATTERIES
1/0RD
N1
4B
A
10
RD
NOTE:
FOR CIRCUIT K18 FUSELINK IS 10RS
FOR CIRCUIT K14H FUSELINKS ARE 2-12BL
FOR CIRCUIT K2 FUSELINKS ARE 2-12BL
AECM POSITIVE
FEED
(9261)
GR
B
ALTERNATOR
1/0RD
N9
7-G
10
WH
1/0BK
N14
AY
10
RD
FUSIBLE
LINKS
J17S
18PK
DRAWN
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THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 4
CHARGING AND CRANKING
(V8-AVNT) ENGINES
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 02AE08-52368
1/0RD
N9
7A
A
10
RD
K2
4RD
1/0BK
MAXIFUSE
BLOCK
(4000)
KEYSWITCH S
ENGINE
BLOCK
GND
C
ECM POWER/
STARTER SOLENOID
(4105)
TO ECM2 CLEAN
POWER/GROUND CONN
(A-12V,B-GND)
(6323F)
SEE CH06_03
1/0BK
K17
C
10P
K
8
PASS THRU
AT DASH
(4014)
GND
(4005)
J17
E
10P
K
K2
-G
4W
H
K11-G
L
4W
H
40
A
AB
ENGINE
ECM
FEED
FUSE
(9254)
23ECM2
(6020)
4/0BK
N1
4-G
10W
H
17
ENGINE/
DASH
CONN
(4103)
FRAME
GND
CRANK MOTOR
SOLENOID
CRANKING
MOTOR
M
B S
G
4/0RD
2/0
BK
K10-GC
1BK
K14H
4RD
J14H
4RD
GLOW PLUG
RELAY
(4057)
K1
8
6P
K
J17E
10PKSEE CH10_05
W/AUTO NEUTRAL
86
87
30
87A
85
STARTER
ISO & POWER
RELAY
(4003)
R12-1
R12-2
R12-3
R12-4
R12-5J17
18PK
B
A
23AUG02 DEL MAXI FUSE BLOCK 4004 D 56507KCNA
14GY
FUSIBLE
LINK
11JAN02JKP REV CRANKING MOTOR. C 55043Z
Figure 46 V8 AVNT Engines
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
47
4.3. CATERPILLAR ENGINES, P. 3
FUSIBLE LINK14GY
J17J18PK
K17G14PK
K17F14PK
J17G14PK
J17F14PK
J17D10PK
A17-GH18WH
B17H18PK
B17J18PK
A17J18PK
A1718PK
J1
71
8P
K
J17J18PK
J1
7S
18
PK
K1
7S
16
PK
K17J16PK
4RD
K1
1-G
L4
WH
K10-GC1BK
K2
-G4
WH
2B
K
4BK
K24RD
1BK
1RD
NAVISTAR INTERNATIONAL TRANSPORTATION CORP ELECTRICAL CIRCUIT DIAGRAM
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHANGEDATE REVCHK REFERENCE
SHEETPART NO.DATE
NAME
RELEASE NO.
DRAWN
CHAPTER 4
CHARGING AND CRANKINGCAT ENGINES, CUMMINS ISM
U00DLCK
55043Z
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
01-04-02 03AE08-52368
CNA 04OCT02 ADDED CUMMINS TO TITLE. 56507ZB
GR
B
CR
AN
K M
OT
OR
SO
LE
NO
ID
CRANKING MOTOR
THERMALOVERCRANK(6316)
B S
M
G
16 15
18
8
CLUTCHSWITCH
B
AD7
D8
100 AMPS
17
18
DASH/ENG (4103)
MEGA FUSE
STARTERISO & PWR RELAY (4003)
R12-5
R12-2
R12-4
R12-1
PASSTHRU(4014)
DCM(1800)
NEGSTUD(1863)
DASH/ ENG (4103)
FRAME GND
CAB GND(4005)
ENGINEBLOCKGND(6303)
BATTERIES
ALTERNATOR
FUSIBLELINKS
KEY SWITCH"S" TERMINALCH02_15
NOT W/ THERMALOVERCRANK
30
86
87A
87
85
A
B
NOTES:
FOR 4 GAUGE CHARGE CIRCUITS K2-FL & K2A-FL FUSELINKS ARE 2 - 12BLFOR 1 GAUGE CHARGE CIRCUITS K2D-FL, K2E-FL & K2F-FL FUSELINKS ARE 3 - 10RSFOR 1 GAUGE CHARGE CIRCUITS K2B-G & K2B
Figure 47 Caterpillar Engines
S082852a
48 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
5. FANS AND ENGINE ACCESSORIES (CHAPTER 5)
5.1. FAN WIRING, P. 1
K23A18TN
K23A18TN
K97DF18VT
14
ENGINE/DASH
(4103)
K23-G16WH
MINI FUSE BLOCKS
(4001)
K97B18VT
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 5
FAN WIRING
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 01AE08-52369
14
ENGINE/DASH
(4103)
ELECTRIC FAN
RELAY CONTROL
A
ENGINE
HARNESS CONN
(6401)
K2318TN
B
ENGINE
CONTROLLER
14
ECM2
(6021)
V8-AVNT WITH FAN CLUTCH
A FAN AIR
SOLENOID
(4111)
B
I6 WITH FAN SOLENOID
FAN
CLUTCH
AELECTRIC
FAN
(6406)
MINI FUSE BLOCKS
(4001)
J23A18TN
FAN
SOLENOID
15
J2318TN
ENGINE BLOCK
GROUND
(6412)
K23B16TN
K23A16TN
W/BODYBUILDER
CONNECTIONS
J23Z18TN
SEE CH02_14
J23FS18TN
SEE CH02_14
86
87
30
87
A
85
M1-A3
M1-B3
M1-C4
M1-A4
FAN RELAY
(4002)
WIRE CHANGE B P54634FPEC 18JUN01
(J23Z)
ADDED 6401 C11JAN02 55043Z
ASINGLE BOX
ENGINE HARNESS
(6401)
FOR V8
FOR I6
JKP
Figure 48 Fan Wiring
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
49
5.2. ETHER START, P. 2
K10-G
U
14
WH
K1
0-G
A
18W
H
CAB FUSE
BLOCK
(1013)
J21F
18TN
A21B
16TN
ETHER
BOTTLE
CONTROL
VALVE
A
B
J21
E
18T
N
K21B
16TN
19
FWD CHASSIS/DASH
(4301)
K10-G
18W
H
A2
1E
16T
N
ENGINE
BLOCK
GND
(6302)
29PASS THRU
(4014)
K21-G
16WH
A
THERMAL SWITCH
(6650)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 5
ETHER START
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
21JUN00 02AE08-52369
12
ENGINE/DASH
(4103)
BETHER START
(8400)
M21
D
18T
N
GROUND
BUS BAR
(1003)
K1
0-G
B
14
WH
9 7
3 2B
5B
16
4
10
8
ETHER START SWITCH
(1010)
A21-G
16WH
M21
C
18T
N
22
SPLICE BLOCK
(6704)
F
PANEL LIGHT
BUSS BAR
(1002)
SEE CH08_08
G
SEE CH02_11
B1 A1
10A
F33
F33 WAS F30 C 56507K25AUG02CNA
ENGINE
BLOCK
GND
(6340)
FOR USE WITH
CAT ENGINES
11JAN02 ADDED CAT ENGINE. B 55043ZJKP
A21C
16TN SEE CH02_13
Figure 49 Ether Start
S082852a
50 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
5.3. SNOW VALVE, P. 3
J23K
18T
N
NC READ
SWITCH
CURRENT
PROTECT
MOTOR
DUAL FUNCTION
REED SWITCH
(NO & NC)
SNOW VALVE
(4120)
ABCDE
J2
3H
18T
N
A
31
PASS THRU
AT DASH
(4014)
J2
3J
18T
N
H
OPTIONAL WARNING
LIGHT CONNECTOR
(1555)
GROUND BUSS BAR
(1003)
J23
F
18T
N
26 24
A23
F
18T
N
25
J2
3L
18T
N
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 5
SNOW VALVE
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
21JUN00 03AE08-52369
27
A23
M
18T
N
A2
3H
18T
N
A23J
18
TN
A23
K
18
TN
A2
3L
18
TN
A62P
18LTBL
A23-GA
18WH
A13DA
18PK
SEE CH02_13
IGN RELAY
9 7
3
2B
5B
16
4
10
8
SNOW VALVE
SWITCH
(1901)
4
6
3
1
79
8
5B
2B
SNOW VALVE WARNING
LIGHT IN CLUSTER
SNOW VALVE
MODULE
C
PANEL LIGHT
BUSS BAR
(1002)
SEE CH08_08
D
SEE CH02_11
PRODUCTION RELEASE. A P54304U16JAN01PEC
10A
B2
A2
CAB FUSE BLOCK
SNOW VALVE
(1013)
F34
CNA 25AUG02 ADDED F34 LABEL B 56507K
Figure 50 Snow Valve
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
51
5.4. FAN WIRING, CATERPILLAR AND CUMMINS, P. 4
K23N16TN
K23N16TN
K10-GU14WH
K23-G16WH
NAVISTAR INTERNATIONAL TRANSPORTATION CORP ELECTRICAL CIRCUIT DIAGRAM
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHANGEDATE REVCHK REFERENCE
SHEETPART NO.DATE
NAME
RELEASE NO.
DRAWN
CHAPTER 5
FAN WIRING, CAT AND CUMMINS
U00DLCK
56507Z
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
04OCT02 04AE08-52369
CNA 04OCT02 RELEASE FOR PRODUCTION. 56507Z-
A B
38
11
ENG BLOCKGROUND(6340)
FANSOLENOID
FAN AIRSOLENOID(6409)
ENGINECONTROLLER
(6014)
ENGINECONTROLLER
(6013)
W/CATERPILLAR
W/CUMMINS ISM
Figure 51 Fan Wiring, Caterpillar and Cummins
S082852a
52 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
6. ELECTRONIC ENGINES (CHAPTER 6)
6.1. ELECTRONIC ENGINE CONTROLS, I6–HEUI ENGINES, P. 1
K24
B
18
GY
18
J99U
18VT
B99U
18VT
A99U
18VT
K99S
18VT
K34A
18TN
K24
-G
18W
HK
34-G
18
WH
K1
0-G
B
14
WH
K10-GA
18WH
K10-G
18WH
K97W
10VT
K97L
14PL
K97Z
14PL
K97F
14PL
J97W
10VT
J99V
18VTK99T
18VT
A99V
18VT
J97
T
18
VT
K97J
16VT
K97-GA
10VT
K97Y
14VT
N97-G
10WH
N14-G
10WH
K97N
14VT
K97P
14VT
K97V
14VT
N14AY
10RD
J24A
18GY
K24A
18GY
J97U
18VT
K97M
16VT
J13CW
10PK
J13S
14PK
J13W
14PK
K97R
18VT
K97S
16VT
A97Y
18VT
J97Y
18VT
B97AD
18VTK97D
18VT
B9
7A
E
18
VT
A13AH
10PK
J24B
18GY
16GN
K97E
16VT
J97P
18VT
B97AF
18VT
K97C
18VT
B9
7A
H
18
VT
B97P
18VT
A97P
18VT
K97K
18VT
A97Q
18VT
J97Q
18VT
B99E
18VT
A9
9E
18
VT
J9
7A
A
12
VT
J9
7A
AA
14
VT
N97AA
10RD
K97AA
10VT
N14BA
10RD
INTAKE AIR
TEMP SENSORS
(6703)
(LOCATED ON
AIR INTAKE)
A
B
B
SPLICE
BLOCK
(6704)
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 6
ELECTRONIC ENGINE CONTROLS
I6-HEUI ENGINES, EXHAUST BRAKE
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 01AE08-52370
19
ENGINE/
DASH
(4103)
18
ENGINE/
DASH
(4103)
6
25
LOW
COOLANT
SENSOR
(NORMALLY
OPEN)
(6400)
A B
12
23
A
ECM POSITIVE
FEED (9261)
24
5A
F1-A2F1-B2
27 4
1
PASS THRU
AT DASH
(4014)
4
2
BAP
SENSOR
(1808)1
3
2
41
3
B4
40A
AB
ENGINE ECM
FEED FUSE
(9254)
2
C5
1
E2
5A
A2
B2
CAB FUSE
BLOCK
(1012)F24
A
ECM
NEGATIVE
(9260)
F1-E2
15
ENGINE/
DASH
(4103)
3
C2
C6
AB
CD
EF
APS/IVS
(1804)
IGNITION FEED FROM IGN RELAY
FROM PRIMARY
IGNITION
RELAY (R9-4)
(4003)
8
21
EC
M (
60
07
)
47
C10
DCM/CAB
(1800)
42
A
ECM CLEAN POWER
& GROUND (6323)
BECM POWER/STARTER
(4105)
B5
ENGINE
BLOCK
GND
10
5A
F1-E1F1-F1
MINI FUSE BLOCK
(4001)
C4
2
11
A
ECM POWER/STARTER
(4105)
5
16
ENGINE/
DASH
(4103)
BATTERIES
29
8687
30
87A
85
EXHAUST BRAKE
RELAY
(4002)M1-A4
M1-C4M1-B3
M1-C3
M1-A3
7
22
5
ENGINE/
DASH
(4103)
EXHAUST
BRAKE
SOLENOID
(6500)
BA
MINIFUSE
BLOCK
(4001)
FROM SECONDARY
IGNITION RELAY
(4003)
8687
30
87A
85
R11-1
R11-5R11-3 R11-4
R11-2
ECM MODULE POWER
RELAY
(4003)
ADDED 6502;F24 WAS F13; C P54304U
J24C
18GY
J24C
18GY
CNA 23AUG02
MULTIFED TERMINAL/BUSS BAR
1012 WAS 1011.
B9
7Q
18
VT
B99V
18VT
B97Y
18VT
EXHAUST
BRAKE
SOLENOID
(6502)
Figure 52 Electronic Engine Controls, I6–HEUI Engines
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
53
6.2. ELECTRONIC ENGINE CONTROLS, I6–HEUI ENGINE CRUISE CONTROL AND
BODY BUILDER CONNECTIONS, P. 2
99E
16VT
B9S
18GY
B9VG
18GY
B9V
H
18
GY
B9VF
18GYK97XC
18VT
K99F
18VT
K97HM
18VT
A9
H
20
GY
A9
V
18
GY
B9
V
18G
Y
B9
R
18G
Y
B9
VB
18
GY
J17J
18PK
A17J
18
PK
B17J
18
PK
K1
7E
18P
K
L1
7D
18
PK
K4
7A
18
GY
J13CW
10PK
J13S
14PK
K97AR
18VT
A13AH
10PK
K97CB
18VT
K46A
18GY
J23FS
18TN
K23A
16TN
K97DF
18VT
K97DF
18VT
B70
C
18
RD
K97DD
18VT
A96
A
20
VT
B96
A
18
VT
K97CC
18VT
A1
7H
18P
K
B1
7H
18
PK
L4
7D
18
GY
K4
7
18
GY
K97EW
18VT
K97EA
18VT
K97WL
18VT
K97HG
18VT
K97WA
18VT
K47B
18GY
K97HE
18VT
K46B
18GY
59
EC
M (
60
07
)
FROM PRIMARY
IGNITION
RELAY
(4003)
SET/COAST SWITCH - SCS
54
12
10
OH
M
61
90
OH
M
23
70
OH
M
RE
SU
ME
SE
T
CR
UIS
E O
N
CR
UIS
E O
FF
AIR
HO
RN
CIT
Y H
OR
N
STEERING WHEEL SWITCHES
ABCD
D8
REMOTE ACCELERATOR POS. SENSOR - RPS
4
39
36
58
ENGINE WARNING LAMP - WARN
30
TACHOMETER CHANNEL A - TACA
W/HYD
BRAKES
VEHICLE SPD SENSOR CHAN A - VSSCALA
13
10
A
F
XMSN/
DASH
(4705)
HYD PRESSURE GOVERNOR SENSOR - HPS
32
REMOTE ACCEL. POS. SENSOR RTN - RPS_RTN
RESUME/ACCEL SWITCH - RAS
HYD PRESSURE GOVERNOR LAMP - HMI
HYD PRESSURE GOVERNER ENABLE - HGE
6
TO CAB FUSE
BLOCK
(1011) A2
3
W/AIR FAN DRIVE
37
49
CLOCK
SPRING
(1809)
ABCD
F1-E1
40
OIL WATER LAMP - OWL55
18
PASS THRU
AT DASH
(4014)
14
ENGINE/
DASH
(4103)
E2
REMOTE VOLTAGE REF. GND - VCREF GND
33
SYSTEM
CONTROLLER
(1600)
A4
31
REMOTE PTO VARIABLE - RVAR
10A
F1-G1F1-H1
MINI FUSE BLOCK
(4001)
C2
CAB FUSE
BLOCK
(1012)
17
REMOTE PTO PRESET - RPRE
5A
A2B2
F2
D7
DCM
CONN
(1800)
5
REMOTE VOLTAGE REFERENCE - VCREF
C
ENG/TRANS
CONN
(7800)
B
26
C11
7
N/AIR FAN DRIVE
TRANS SPEED
SENSOR
(7601)
AB
(CH 2, PG 14)
9
TRANSFER CASE SWITCH - XCS
BA
STOP LIGHT
(1814)
6.8
V
15
0
B9
6
18
VT
B70CA
18OR
B70CB
18OR
7
TURN
SIGNAL
SWITCH
(1810)
B70C
18OR
B1
2A
96
20
VT
B9
A70C
20
RD
L4
7E
18
GY
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 6
ELECTRONIC ENGINE CONTROLS - I6-HEUI ENGINE
CRUISE CONTROL & BODY BUILDER CONNECTIONS
WITH MANUAL TRANSMISSION
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 02AE08-52370
NOTE:
ONLY ONE STOP LIGHT SWITCH USED
W/AIR BRAKES & W/TRACTOR
ADDED CLUTCH SW SYM.& C 56507K22AUG02
BODY
BUILDER
BODY
BUILDER
ACCEL.;A13AH WAS A13CY.
DC
STOP LIGHT
#2
W/AIR BRAKES
(1824)
6.8
V
150 D
C
STOP LIGHT
#1
W/AIR BRAKES
(1823)
6.8
V
150
12
00
1200
ABCD
CLUTCH
SWITCH
(1807)
CNA
ACCELERATOR
PEDAL
Figure 53 Electronic Engine Controls, I6–HEUI Engine Cruise Control and Body Builder Connections
S082852a
54 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
6.3. ELECTRONIC ENGINE CONTROLS, (V8–AVNT) ENGINES, P. 3
K97A
Z
18
VT
J9
7L
C
16V
T
J9
7L
D
16V
T
K97LC
16
VT
5A
A2
B2 CAB FUSE
BLOCK
(1012)F24
B97A
E
18
VT
B97AD
18VT
J13CW
10PK
C4
5A
F1-E1F1-F1
MINI FUSE BLOCK
(4001)
1
B97Y
18VT
FROM PRIMARY
IGNITION FEED
RELAY
12
J97Y
18VT
J97
HA
18
VT
N97AA
10RD
C10
DCM
CONN
(1800)
12
EC
M2
(602
1)
K97J
18VT
K97C
18VT
A97Q
18VT
N97-G
10WH
2
2
3
4
K99S
18VT
6
19
A97Y
18VT
BAP
SENSOR
(1808)1
3
2
18
A99U
18VT
LOW
COOLANT
SENSOR
(6400M)
A B
J9
7LB
18
VT
FROM PRIMARY
IGNITION
RELAY (R9-4)
(4003)
B97P
18VT
A
ECM2 CLEAN
POWER & GROUND
(6323)
24 B4
J97HB
18VT
J97QA
18VT
B5
B97AF
18VT
K97Z
16VT
1
ENGINE/
DASH
(4103)
K97M
16VT
J97P
18VT
K97T
10VT
C2
3
A97P
18VT
J13S
14PK
A
ECM
NEGATIVE
(9260)
K97-GV
16WH
K34-G
16
WH
BATTERIES
K97X
10VT
5
J97
TC
10
VT
1
IDM
2 (
601
1)
A
J99V
18VT
J99U
18VT
K99T
18VT
K34A
18TN
7
6
3
8
B99E
18VT
1
PASS THRU
AT DASH
(4014)
A99V
18VT
K97-GW
16WH
J97L
A
18
VT
10AF1-G4
F1-H4
MINI-FUSE BLOCKS
ENGINE ECM
(4001)
8687
30
87A
85
V8 IDM
POWER RELAY
(4003)
R8-1
R8-5R8-3 R8-4
R8-2
5
5
EC
M2
(602
0)
4
J9
7X
A
10V
T
40A
AB
ENGINE ECM
FEED FUSE
(9254)
J9
7J
18
VT
K97F
16VT
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF
INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 6
ELECTRONIC ENGINE CONTROLS
(V8-AVNT) ENGINES
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 03AE08-52370
9
18
6
C6
N14-G
10WHK97-GA
12WH
8687
30
87A
85ECM ISO &
POWER RELAY
(4003)
R11-1
R11-5R11-3
R11-4
R11-2
A99W
18VT
K97UA
18VT
A
ECM POSITIVE
FEED (9261)
K97LA
16PL
K97D
18VT
AB
CD
EF
APS/IVS
(1804)
B99W
18VT
24
B6
N14AY
10RD
21
A13AH
10PK
J97UA
18VT
A99
E
18
VT
K97H
16PL
J97
TA
10
VT
B99V
18VT
ENGINE
BLOCK
GND
K97-G
10WH
2
E2
K97Y
12VT
C5
B99U
18VT
B
ECM POWER/
STARTER
SOLENOID (4105)
7
4
K97
18VT
N14BA
10RD
B
J97JA
18VT
WAS F13,A2 WAS A1.
56507KCNA 22AUG02
J9
7H
18V
T
K97K
18VT
4
12
10A
F2-B4 F2-A4
10
MINI-FUSE
BLOCK
(4001)
B4 WAS D4,A4 WAS C4,F24 C
B9
7Q
18
VT
B9
7A
H
18
VT
Figure 54 Electronic Engine Controls, (V8–AVNT) Engines
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
55
6.4. ELECTRONIC ENGINE CONTROLS, V8–AVNT ENGINE CRUISE CONTROL AND
BODY BUILDER CONNECTIONS, P. 4
K97DF18VT
K97AR18VT
K46A18GY
K47B18GY
K97CB18VT
K97CC18VT
K46B18GY
B9
S1
8G
Y
B9VH18GY
B70C18OR
B70CA18OR
B70CB18OR
B9VG18GY
C2
CAB FUSEBLOCK(1012)
W/HYDBRAKES
B9
10
ECM2(6021)
B9
V1
8G
Y
K4
71
8G
Y
33
SYSTEMCONTROLLER(1600)
18
PASS THRUAT DASH(4014)
A9
62
0V
T
F
XMSN/DASH(4705)
L1
7E
18
PK
J17J18PK
B7
0C
18
RD
5A
E2F2F24
IGNITION FEED FROMINGITION RELAY
A1
7J
18
PK
B9
R1
8G
Y
17
B9
61
8V
T
A1
7H
18
PK
A4
A9
H2
0G
Y
C1
1
8
ECM2(6020)
A13AH10PK
A2
K4
7A
18
GY
DRAWN
RELEASE NO.
NAME
DATE
REFERENCECHK
INTERNATIONAL TRUCK AND ENGINE CORPORATION
PART NO. SHEET
REV
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF INTERNATIONAL TRUCK AND ENGINE CORPORATION.
ELECTRICAL CIRCUIT DIAGRAM
DATE CHANGE
CHAPTER 6
ELECTRONIC ENGINE CONTROLS - V8-AVNTENGINE CRUISE CONTROL & BODY BUILDER CONNECTIONS
U00JXP9
P52778H
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
10AUG00 04AE08-52370
CNA 9SEO02 DVD/RMVD ENG/TRANS CONN(7800).
56507ZD
10
A9
6A
20
VT
D8
D7 DCM
CONN(1800)
12
10
OH
M
61
90
OH
M
23
70
OH
M RE
SU
ME
SE
T
CR
UIS
E O
N
CR
UIS
E O
FF
AIR
HO
RN
CIT
Y H
OR
N
STEERING WHEEL SWITCHES
ABCD
9
3
CLOCKSPRING(1809)
ABCD
B9VF18GY
A9
V1
8G
Y
A7
0C
20
RD
B1
2
TRANS SPEEDSENSOR(7601)
AB
BA
STOP LIGHT (1814)
6.8
V
15
0
7
TURN SIGNAL
SWITCH(1810)
NOTE:
ONLY ONE STOP LIGHT SWITCH USEDW/AIR BRAKES & W/TRACTOR
21
EC
M2 (
6020)
20
19
17
11
14
SET PTO SPEED - SCS
VARIABLE PTO ENABLE - RVAR
PRESET PTO ENABLE - RPRE
VEHICLE SPD SENSOR CAL CNTRL - VSS_CAL
RESUME PTO SPEED - RAS
TACHOMETER CONTROL - TACH
BODY
BUILDER
TO FUEL FILTER(6708) SEE CH07_09
DC
STOP LIGHT#2W/AIR BRAKES(1824)
6.8
V
150
DC
STOP LIGHT#1W/AIR BRAKES(1823)
6.8
V
150
12
00
12
00
ABCD
CLUTCHSWITCH
(1807)
B1
7J
18
PK
B1
7H
18
PK
B9
6A
18
VT
B9
VB
18
GY
Figure 55 Electronic Engine Controls, V8–AVNT Engine Cruise Control and Body Builder Connections
S082852a
56 3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
6.5. CATERPILLAR C10 AND C12 ENGINES, P. 5
B9
9V
18
VT
B97
Y
18
VT
B97P
18
VT
J9
7U
18
VT
K97U
18V
T
K97A
D
18V
T
A5AG(+)
18YL
A5AL(+)
18YL
A5A
C(+
)
20Y
L
A5AR(+)
20YL
A5AE(+)
18YL
A5AN(+)
20YL
A5B
(+)
18Y
L
A5AH(-)
18LTGN
A5AM(-)
18LTGN
A5A
D(-
)
20
LT
GN
A5AF(-)
18LTGN
A5AS(-)
20LTGN
A5AP(-)
20LTGN
A5B
(-)
18
LT
GN
A97P
18V
T
A97
Y
18V
T
A99
V
18V
T
J3
B(-
)
18G
Y
J3
B(+
)
18D
KB
L
J5C
(+)
W/B
EN
DIX
20Y
L
J5E
(+)
W/W
AB
CO
20Y
L
J5C
(-)
W/B
EN
DIX
20G
N
J5E
(-)
W/W
AB
CO
20
GN
J99V
18V
T
J97Y
18V
T
J97P
18V
T
J77B
16GN
K10-GU
14WH
K77-G
16WH
K7
7B
16L
TG
N
K3B
(-)
18G
Y
K3A
(+)
18D
KB
L
K5
S
18Y
L
K5
T
18L
TG
N
K9
7Y
18V
T
K99
V
18V
T
K97
P
18V
T
K34D
16
TN
K5U
18YL
K5
V
20Y
L
K5AE
18LTGN
K5W
20LT
GN
K47
A
16G
Y
K47
16G
Y
K34-G
A
16W
H
K97Y
A
18V
T
K34C
16T
N
K3
4B
16T
N
K97AM
10VT
K9
7A
S
14V
T
K97
AT
14V
T
K97
-GD
14W
H
K97-GA
10WH
K97-G
E
14W
H
N14A
Y
10
RD
N14-G
10WH
N14BA
10RD
N97-G
10WH
N97AA
10RD
NAVISTAR INTERNATIONAL TRANSPORTATION CORPELECTRICAL CIRCUIT DIAGRAM
RELEASE NO. DATE
CHK
SHEET
REV DRAWN NAME
PART NO.
CHANGEDATE REFERENCE
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOT
TO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHAPTER 6
CAT C10 & C12 ENGINES
U00DLCK
55043Z
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
16DEC01 05AE08-52370
535034333298542 49 52 54 65 66 67
ECM (6013)
A B C D
A
B
A
A
60A
AB
CLEAN PWR
& GND
(6323)
ECM POS
FEED
(9261)
ECM NEG
FEED
(9260)
BATTERIES
LOW COOLANT
(6407)
A
B
D
E
ENGINE/TRANSMISSION
(7800)
4 6 10 11 8 7 5DASH
(4103)
B
A
20
ENGINE GND (6340)
FREON
COMP
(6200)
GSYS CONTROL
BLUE
(4008)
5 2 12 11 1PASS THRU
(4014)
B4C5 C4
4
5
DCM
(1800)
35
34
D
C
A
C
DIAGNOSTIC
(1650)
SYS CONTROLLER
(1600)
CLUSTER
(1500)
J1939
PUBLIC
(1652)
J1708 & 5V
REF SPLICE
(4820)
62
C
USED W/SS MODELS
70
19
5 AMP
F1-F1F1-E1
MINI FUSE (4001)
IGN FEED
CH02_14
CBA(1805)
ACCEL. PEDAL
SENSOR
56507KADDED CONN 1805 AND
ACCEL PEDAL SENSOR.
22AUG02 A
Figure 56 Caterpillar C10 and C12 Engines
S082852a
3200, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 8500, 8600 SERIES Built October 1,
2002 and After — ELECTRICAL CIRCUIT DIAGRAMS
57
6.6. CUMMINS ISM ENGINE, P. 6
A5A
C(+
)20Y
L
A5AG(+)18YL
A5AL(+)18YL
A5AE(+)18YL
A5AR(+)20YL
A5AN(+)20YL
A5B
(+)
18Y
L
A5A
D(-
)20LT
GN
A5AM(-)18LTGN
A5AH(-)18LTGN
A5AP(-)20LTGN
A5A
S(-
)20LT
GN
A5AF(-)18LTGN
A5B
(-)
18LT
GN
A99E
18V
TA
99E
18V
T
B99W
18V
TA
99W
18V
T
B99U
18V
TA
99U
18V
T
B99V
18V
TA
99V
18V
T
B97Y
18V
TA
97Y
18V
T
B97P
18V
TA
97P
18V
T
J5C
(-)
W/ B
EN
DIX
20G
NJ5E
(-)
W/ W
AB
CO
20G
NJ5C
(+)
W/ B
EN
DIX
20Y
LJ5E
(+)
W/ W
AB
CO
20Y
LJ97P
18V
TJ97Y
18V
TJ99V
18V
T
J99U
18V
T
J99W
18V
TJ97Q
18V
TJ3B
(+)
18D
KB
LJ3B
(-)
18G
Y
J97U
18V
T
J77B16GN
N14A
Y10R
DN
14B
A10R
DN
97A
A10R
DK
97A
M12V
T
K97U
212V
T
K97U
118V
T
K10-G
V12W
H
K10-G
U14W
HK
77-G
16W
H
K77B
16LT
GN
K97U
18V
T
K3B
(-)
18G
Y
K3A
(+)
18D
KB
L
K97Q
18V
T
K99W
18V
T
K99U
18V
T
K99V
18V
T
K97Y
18V
T
K97P
18V
T
K5S
18Y
L
K5T
18LT
GN
K5W
20LT
GN
K5AE18LTGN
K5V
20Y
L
K5U18YL
K97AD18VTK47A16GYK4716GY
K34E16TN
K34-GB16WH
NAVISTAR INTERNATIONAL TRANSPORTATION CORP ELECTRICAL CIRCUIT DIAGRAM
THIS PRINT IS PROVIDED ON A RESTRICTED BASIS AND IS NOTTO BE USED IN ANY WAY DETRIMENTAL TO THE INTEREST OF THE
NAVISTAR INTERNATIONAL TRANSPORTATION CORP.
CHANGEDATE REVCHK REFERENCE
SHEETPART NO.DATE
NAME
RELEASE NO.
DRAWN
CHAPTER 6
CUMMINS ISM ENGINE
U00DLCK
56507Z
42/43/44/85/8600 & 73/74/7500 CIRC DIAGRAMS
04OCT02 06AE08-52370
CNA 04OCT02 RELEASE FOR PRODUCTION. 56507Z-
32 28 27 36 15 46 47 22 23 9 1 11 34 10 20 39
B
A
LOWCOOLANT
(6407D)
ECM (6014)
A
B
C
D
E
ENGINE/TRANS(7800)
8 7 4 6 5 2 1 3 10 11 19 20
B AFREONCOMP(6200)
ENGINEGND(6340)
1 2 4
A
A
ECMPWR(6015)
CLEANPWR(6323)
ECMPOSFEED(9261)
60A
B
A
BATTERIES
G SYS CONTROLBLUE(4008)
DASH(4103)
5A
F1-F1F1-E1
MINI FUSE (4001)
IGN FEEDCH02_14
J1708 & 5VREF SPLICE(4820)
12 11 5 2 1 4 3 7PASSTHRU(4014)
C6
F
B6B5C4B4C5
EDABC
DCM(1800)
(1804)
ACCEL PEDAL SENSOR/IVS
C
AJ1939PUBLIC
(1652)
5
4CLUSTER
(1500)
35SYS
CONTRL(1600)
34
D
CDIAGNOSTIC
(1650)
Figure 57 Cummins Engine
S082852a