Wiring Diagrams

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WIRING DIAGRAMS Article Text1990 Ford F Pickup For 1Copyright 1998 Mitchell Repair Information Company, LLC Friday, October 29, 2010 10:45PM

ARTICLE BEGINNING 1990 Wiring Diagrams Ford Motor Co. Bronco & F Series IDENTIFICATION COMPONENT LOCATION MENU COMPONENT LOCATIONS TABLE Component Figure No. (Location)

A/C Clutch Resistor Diode ............................ 8 (E 29) A/C/Heater Function Selector Sw .................... 8 (D-E 28) Alternator w/Internal Regulator (Diesel) .............. 1 (C 3) Alternator w/Internal Regulator (Gas) ................. 1 (C 3) Ashtray Illum ........................................ 6 (E 21) Back-Up Light Sw ..................................... 6 (D 20) Battery ............................................. 1 (A 1-2) Beam Select Sw ...................................... 1 (C-D 2) Cab Marker Lts ................................... 10 (B 36-37) Charge Ind Relay (Diesel) ............................. 1 (C 2) Cigarette Lighter .................................... 6 (C 23) Clutch Interlock Sw ................................ 6 (B-C 20) Conn C300 ......................................... 9 (D 33-34) Cruise Control Module .............................. 7 (D-E 27) Defogger Grid (Bronco) .............................. 10 (A 37) Defogger Sw (Bronco) ................................ 10 (A 36) Dir Flasher .......................................... 6 (D 21) Dir/Hazard Sw ..................................... 7 (C 24-25) Dual Brake Warning Diode/Resistor .................. 7 (B-C 25) E40D Transmission (4.9L) ............................ 2 (E 4-5) E40D Transmission (5.0L & 5.8L) ..................... 3 (E 8-9) E40D Transmission (7.3L Diesel) ................... 5 (E 17-18) E40D Transmission (7.5L) .......................... 4 (E 12-13) EEC Power Relay ...................... 2, 3, 4 (A 4, A 8, A 12) Electronic Engine Control (4.9L) .................... 2 (B-E 4) Electronic Engine Control (5.0L & 5.8L) ............. 3 (B-E 8) Electronic Engine Control (7.5L) ................... 4 (B-E 12) Electronic Shift Control Module (Bronco w/o E40D) . 7 (A-B 27) Fuel Injectors ...................... 2, 3, 4 (E 6, E 10, E 14) Fuel Pump Relay ...................... 2, 3, 4 (A 5, A 9, A 13) Fuel Tank Select Sw (Diesel) ....................... 8 (B-C 31) Fuel Tank Select Sw (Gas w/Dual Tanks) ............... 8 (A 31) Fuel Tank Select Valve (Diesel) ...................... 8 (B 31) Fuel Tank Senders (Diesel) ........................... 9 (C 35) Fuel Tank Unit (Single Tank) ......................... 9 (B 34) Fuel Tank Units (Gas w/Dual Tanks) ................... 9 (A 35) Fuel Water Sw (Diesel) ............................... 8 (D 31)

Fus Links ............................... 1, 5 (B 2-3, A 18-19) Fuse Block ...................................... 6 (C-D 21-22) Gear Select Sw (4.9L) ..................... 2, 6 (B 7, A 20-21) Gear Select Sw (5.0L & 5.8L) ............. 3, 6 (B 11, A 20-21) Gear Select Sw (7.3L Diesel) ............. 5, 6 (C 19, A 20-21) Gear Select Sw (7.5L) .................... 4, 6 (B 15, A 20-21) Glow Plug Controller ................................. 5 (B 19) Glow Plugs ........................................... 5 (B 19) Hazard Flasher ....................................... 7 (E 24) Heated Exhaust Gas Oxygen Sensor (4.9L) ............. 2 (C-D 7) Heated Exhaust Gas Oxygen Sensor (5.0L & 5.8L) ....... 3 (C 11) Heated Exhaust Gas Oxygen Sensor (7.5L) .............. 4 (C 15) Heater Function Selector Sw ........................ 8 (D-E 30) Horn Relay ........................................... 7 (D 26) Horn Relay Jumper .................................... 7 (E 26) Horns ................................................. 1 (C 1) Ignition Coil ..................... 2, 3, 4 (A 7, A-B 11, B 15) Ignition Sw ....................................... 6 (A 21-23) Inertia Sw (Dual Tanks) .............................. 8 (A 31) Inertia Sw (Single Tank) ............................. 9 (B 35) Instrument Cluster ................................. 8 (A-D 28) Interval Governor .................................... 7 (C 26) Low Vacuum Warning Sw (Diesel) ....................... 8 (C 31) Main Light Sw ...................................... 6 (D-E 23) Overdrive Sw (4.9L) ................................. 2 (E 6-7) Overdrive Sw (5.0L & 5.8L) ........................ 3 (E 10-11) Overdrive Sw (7.3L Diesel) ........................... 5 (C 18) Overdrive Sw (7.5L) ............................... 4 (E 14-15) Power Door Locks ................................... 9 (C-E 32) Power Window Sw ................................. 9 (A-B 32-33) RABS Module ....................................... 7 (A 24-25) Radio (Partial) .................................... 9 (C-D 35) Seat Belt Sw ...................................... 6 (E 20-21) Self Test Input (STI) Conn (Diesel) .................. 5 (E 16) Self Test Input (STI) Conn (Gas) .... 2, 3, 4 (D 7, D 11, D 15) Self Test Output (STO) Conn (Diesel) ................. 5 (E 19) Self Test Output (STO) Conn (Gas) . 2, 3, 4 (C 7, C 11, C 15) Starter ............................................... 1 (A 3) Starter Relay ......................................... 1 (B 3) Stop Light Sw ........................................ 7 (E 24) Tailgate Window Sw (Bronco) ..................... 9 (A-B 33-34) TECA Power Relay ..................................... 5 (E 18) TFI Module .......................... 2, 3, 4 (A 7, A 11, A 15) Trailer Conn .............................. 10 (C-D 37, B-C 39) Trailer Elect Brake Control ......................... 10 (C 38) Trailer/Marker Light Relay .................... 10 (B 38, C 36) Transmission Electronic Control Assembly (TECA) .... 5 (B-E 16) Vehicle Speed Sensor (Diesel) ........................ 5 (A 16) Warning Chime Module ................................. 6 (E 22) Warning Inds (Diesel) ................................ 8 (D 30) Washer Motor .......................................... 1 (E 1) Wiper Motor ........................................... 1 (E 1)

WIRING DIAGRAMS Article Text (p. 2)1990 Ford F Pickup

Wiper/Washer Sw (Standard) ............................ 1 (E 3) Wiper/Washer Sw (w/Interval) ...................... 7 (D 26-27) 4WD Ind Sw ........................................ 8 (B 29-30) 4WD Shift Control Sw .............................. 7 (A 25-26)

WIRING DIAGRAMS

Fig. 1: Engine Compartment & Headlights

WIRING DIAGRAMS Article Text (p. 3)1990 Ford F PickupFor 1

Fig. 2: Electronic Engine Control (4.9L EFI)

WIRING DIAGRAMS Article Text (p. 4)1990 Ford F PickupFor 1

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Fig. 3: Electronic Engine Control (EEC) (5.0L & 5.8L EFI)

WIRING DIAGRAMS Article Text (p. 5)1990 Ford F PickupFor 1

Copyright 1998 Mitchell Repair Information Company, LLC

Fig. 4: Electronic Engine Control (EEC) (7.5L EFI)

WIRING DIAGRAMS Article Text (p. 6)1990 Ford F PickupFor 1

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Fig. 5: Trans. Electronic Control Assembly (TECA) (Diesel w/E40D)

WIRING DIAGRAMS Article Text (p. 7)1990 Ford F PickupFor 1

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Fig. 6: Fuse Block

WIRING DIAGRAMS Article Text (p. 8)1990 Ford F PickupFor 1

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Fig. 7: RABS Module, Electronic Shift Control Module & Wiper/Washer

WIRING DIAGRAMS Article Text (p. 9)1990 Ford F PickupFor 1

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Fig. 8: Instrument Cluster & A/C-Heating

WIRING DIAGRAMS Article Text (p. 10)1990 Ford F PickupFor 1

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Fig. 9: Power Windows & Doors

WIRING DIAGRAMS Article Text (p. 11)1990 Ford F PickupFor 1

Copyright 1998 Mitchell Repair Information Company, LLC

Fig. 10: Passenger Compartment & Taillights

WIRING DIAGRAMS Article Text (p. 12)1990 Ford F PickupFor 1END OF ARTICLE

Copyright 1998 Mitchell Repair Information Company, LLC