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.
1992 GMC Safari Van Cargo, 4.3 Z, AWDFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location | |
|---|---|---|
| A/C Pressure Cycling Switch | On A/C accumulator. | |
| Back-Up Light/Transmission Position Switch | On lower section of steering column. | |
| Brakelight Switch | On brake pedal bracket. | |
| Clutch Start Switch (M/T) | On clutch pedal bracket. | |
| Oil Pressure Switch | ||
| 4.3L (VIN W) | On top rear of engine. See Figure . | |
| 4.3L (VIN Z) | On top rear of engine. See Figure . | |
| Park/Neutral (P/N) Switch | On lower section of steering column. | |
| Parking Brake Switch | On parking brake lever assembly. | |
| Power Steering Pressure Switch (PSPS) | In steering pressure hose, near steering gear. | |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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