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 55 (SHIFT INTERLOCK SYSTEMS)REMOVAL & INSTALLATIONSTOPLAMP SWITCHREMOVAL
1999 GMC Forward Control 5.7 R, Automatic
STOPLAMP Switch: Removal
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the battery negative cable. Disconnect the electrical connector from the stoplamp switch. Remove the retainer from the brake pedal pin. See Figure .
- Remove the stoplamp switch and the pushrod to the power brake booster from the brake pedal pin. Unsnap the stoplamp switch from the power brake booster pushrod.
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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.