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 MANUALSPONTIAC1987FIREBIRD FORMULA, 5.0 H, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1987 Pontiac Firebird Formula, 5.0 H, Automatic
Control Units
1987 Pontiac Firebird Formula, 5.0 H, AutomaticSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| A/C Control Module (Berlinetta) | In right pod. |
| Cruise Control Module | Behind right center of dashboard. |
| Electronic Control Module (ECM) | Behind right side of dashboard. |
| Elect. Spark Control (ESC) Module | On left side of firewall in engine compartment. See Figure. |
| Headlight Door Module (Firebird Only) | Left side of firewall, behind brake booster. |
| Light Control Module (Berlinetta) | Under right side of dashboard by ECM. |
| Light Driver Module | Taped on dashboard wiring harness behind radio. |
| Lights Monitoring Module (M/T) | Above clutch pedal. |
| Lights Monitoring Module (A/T) | On brace above gas pedal. |
| Remote Dimmer Module | Right hand side of steering column, in instrument panel retainer. |
| Road Rally Assembly | Under right side of dashboard below glove box. |
| Wiper/Washer Motor Module | On upper center of firewall in engine compartment. See Figure & 5. |
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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.