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.
Stoplight Switch
Turn ignition off. Disconnect 4-pin electrical harness connector from stoplight switch. Stoplight switch is located near top of brake pedal. Using a DVOM, measure continuity between specified terminals with stoplight switch depressed and released. See Fig 1. See STOPLIGHT SWITCH CONTINUITY TEST table. If continuity is not as specified, replace and adjust stoplight switch. See BRAKELIGHT SWITCH article in REMOVAL, OVERHAUL & INSTALLATION - V6 & V8.
| Stoplight Switch Pin Position (1) | DVOM Leads Connected Between Terminals | Specification | ||
|---|---|---|---|---|
| Free | 1 & 2 | Continuity | ||
| Pushed In | 1 & 2 | No Continuity | ||
| Free | 3 & 4 | No Continuity | ||
| Pushed In | 3 & 4 | Continuity | ||
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NO RELATED
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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.