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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 60 (ELECTRICAL COMPONENT LOCATOR)SWITCHES
1999 GMC Forward Control 5.7 R, Automatic
Section 60 (Electrical Component Locator): Switches
1999 GMC Forward Control 5.7 R, AutomaticSECTION Switches
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
SWITCHES LOCATION
| Component | Location |
|---|---|
| A/T Shift Lock Control Switch (Regal) | Under center of console. |
| Brake Fluid Level Switch | In brake fluid reservoir. |
| Coolant Level Switch | Mounted on right side of radiator. |
| Cruise Control Release Switch | Under left side of dash, on brake pedal bracket. |
| Engine Oil Level Switch (3.1L VIN J) | On bottom of engine oil pan. |
| Engine Oil Level Switch (3.8L VIN K) | On bottom of engine oil pan. See Figure . |
| Engine Oil Level Switch (3.8L VIN 1) | On bottom of engine oil pan. See Figure . |
| Engine Oil Pressure (EOP) Switch (3.1L VIN J) | Lower left side of engine, above starter. See Figure . |
| Engine Oil Pressure (EOP) Switch (3.8L VIN K) | Lower right side of engine, above transaxle. |
| Engine Oil Pressure (EOP) Switch (3.8L VIN 1) | Lower right side of engine, above transaxle. |
| Park Brake Switch | On parking brake assembly. |
| Park/Neutral Position (PNP) Switch | On top right rear of transaxle. See Figure . |
| Seat Belt Switch (Driver) | Part of driver's seat belt assembly. |
| Stoplamp Switch | On brake pedal support bracket. |
| Windshield Washer Fluid Level Switch | Right front corner of engine compartment, in washer fluid reservoir. |
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.