Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1987FIERO BASE, AUTOMATICREPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORMISCELLANEOUS COMPONENTS
1987 Pontiac Fiero Base, Automatic
Miscellaneous Components
1987 Pontiac Fiero Base, AutomaticSECTION Miscellaneous Components
MISCELLANEOUS COMPONENTS LOCATION
| Component | Location | |
|---|---|---|
| A/C-Heater Blower Resistors | On lower right side of blower housing. | |
| ALDL Connector | Under center console, beneath bezel plate. | |
| Battery Junction Block | In right front corner of engine compartment. See Figure. | |
| Convenience Center | Under right side of dash. | |
| Cruise Control Servo | Near left rear shock tower. | |
| Fuel Pump Prime Conn. (2.5L) | On left side of engine compartment near fuel pump relay. | |
| Fuse Block | Under left side of dashboard. | |
| Fusible Links | ||
| A & B (Red) Fuse Block | At battery junction block. See Figure. | |
| C & D (Red) Headlight Actuator Relays | In front light harness at right of brake master cylinder. | |
| E (Rust - 2.8L/Lt. Green (2.5L) Alternator | At battery junction block. See Figure. | |
| F (Red) ECM | At battery junction block. See Figure. | |
| G (Rust) Cold Start Injector (2.8L) ECM (2.5L) | In wiring harness at starter solenoid. See Figure. | |
| H (Rust) Ignition Coil | Above starter solenoid. | |
| In-Line Diodes A/C Compressor Clutch | Taped inside compressor connector. See Figure. | |
| In-Line Diodes Alternator | In main harness below rear bulkhead grommet. | |
| In-Line Diodes Audio Alarm | In wiring harness behind left side of dash. | |
| Power Accy. Circuit Breaker | In fuse block. | |
| Power Window Circuit Breaker | In fuse block. | |
| Tachometer Filter (2.5L) | On harness at left side of engine. See Figure. | |
| Tachometer Filter (2.8L) | On top of engine near coil. | |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.