WIRING DIAGRAMS

1988 Wiring Diagrams General Motors

IDENTIFICATION

COMPONENT LOCATIONS

Component Figure No. (Location)

A/C System 3 (A,B,C-8,9,10,11)

Alternator 8 (C-28)

Audio Alarm Module 7 (E-5,6)

Back-Up Light Switch 8 (E-28)

Cigarette Lighter 5 (E-19)

Clutch Start Switch 8 (A-30)

Coolant Fan Relay 3 (B-8)

Cruise Control (2.5L Vin R) 5 (D,E-20,21)

Cruise Control (2.8L Vin 9) 7 (D,E-24,25,26,27)

Defogger Timer Relay 3 (E-8,9,10,11)

Distributor (DIS) 6 (C,D-21,22,23)

Distributor (EST) 7 (C-24)

Door Ajar Switches 5 (E-16)

Dome Lights 5 (C,D-16)

ECM (2.5L Vin R) 6 (A-20,21,22,23)

ECM (2.8L Vin 9) 7 (A-24,25,26,27)

EHPS Controller 1 (B,C-3)

Fuel Pump Relay 6 (B-23) & 7 (D-25)

Fuel Tank Unit 8 (B-30)

Fuse Block 2 (B,C-5,6)

Gear Select Switch 8 (D-28,29)

Headlight Door Module 1 (A,B-3)

Horn Relay 2 (E-6)

Horns 1 (C-1)

Hood Ajar Switch 1 (D-20)

Ignition Switch 2 (A-4,5,6,7)

Instrument Cluster 4 (A,B,C,D-14,15)

Light Switch 5 (D-17,18)

Lumbar/Bolster Control Switches 5 (D,E-22,23)

Panel Instrument Light Control 5 (E-18)

Power Door Locks 5 (B,C-18,19)

Power Mirror System 5 (A-16,17,18,19)

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:38 PM Page 1 © 2004 Mitchell Repair Information Company, LLC.

Power Windows 5 (B,C-16,17)

Rally Gauged Panel 4 (D,E-15)

Starter Solenoid 8 (A-29)

Stop Light Switch 4 (E-14)

Stop Light Switch (TCC) 2.8L 7 (D-26)

Trunk Ajar Switch 8 (C,D-29)

Trunk Release Relay 8 (C-30)

Trunk Release Switch 5 (B-18)

Turn Hazard Switch 4 (D,E-12,13)

Wiper/Washer Switch 3 (D-10 & 11)

Wiper/Washer Switch (Pulse) 3 (D-8,9)

Wiper Motor 1 (C-2)

Wiper Motor Module (Pulse) 1 (E-2,3)

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Fig. 1: Headlights

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:31 PM Page 3 © 2004 Mitchell Repair Information Company, LLC.

Fig. 2: Fuse Block

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:31 PM Page 4 © 2004 Mitchell Repair Information Company, LLC.

Fig. 3: A/C & Heating

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:32 PM Page 5 © 2004 Mitchell Repair Information Company, LLC.

Fig. 4: Instrument Panel & Steering Column Switches

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:32 PM Page 6 © 2004 Mitchell Repair Information Company, LLC.

Fig. 5: Power Windows & Power Mirrors

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

LMK

Tuesday, October 25, 2005 8:20:32 PM Page 7 © 2004 Mitchell Repair Information Company, LLC.

Fig. 6: Computer Engine Control (2.5L 4-Cyl)

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:32 PM Page 8 © 2004 Mitchell Repair Information Company, LLC.

Fig. 7: Computer Engine Control (2.8L V6)

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

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Tuesday, October 25, 2005 8:20:32 PM Page 9 © 2004 Mitchell Repair Information Company, LLC.

Fig. 8: Engine Compartment & Taillights

1988 Pontiac Fiero

WIRING DIAGRAMS 1988 Wiring Diagrams General Motors

LMK

Tuesday, October 25, 2005 8:20:33 PM Page 10 © 2004 Mitchell Repair Information Company, LLC.