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 MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISLIGHTING AND HORNSBRAKE LIGHT SWITCHADJUSTMENTS
1990 Chevrolet Lumina APV V6-191 3.1L
Brake Light Switch: Adjustments
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Adjustments
Fig. 10 Stop Light Switch Removal:
1. Disconnect battery ground cable.
2. Remove lower lefthand side instrument panel sound insulator.
3. Disconnect wiring from stop light switch located near top of the brake pedal, Fig. 10.
4. Remove stop light switch.
5. Reverse procedure to install.
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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.