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 MANUALSFORD1991PROBE GL, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENT PANEL - ELECTRONICTESTINGWARNING LIGHT SYSTEM CHECK
1991 Ford Probe GL, Standard
Warning Light System Check
1991 Ford Probe GL, StandardSECTION Warning Light System Check
- Turn ignition switch to ON position (engine not running). Observe operation of warning lights. Start engine. Again observe operation of warning lights.
- If BRAKE warning light does not come on when ignition switch is turned on (engine not running), go to BRAKE WARNING LIGHT CHECK.
- If SEAT BELT warning light does not come on when ignition switch is turned on (engine not running), go to SEAT BELT WARNING LIGHT INOPERATIVE CHECK.
- If CHECK ENGINE warning light does not come on when ignition switch is turned on (engine not running), go to ECA CHECK.
- Start engine. If BRAKE warning light does not go off when engine is running, go to BRAKE LIGHT WILL NOT GO OFF.
- If SEAT BELT warning light does not go off when engine is running, go to SEAT BELT WARNING LIGHT SHORT CHECK NO. 1.
- If check engine warning light does not go off when engine is running, go to CHECK ENGINE WARNING LIGHT WILL NOT GO OFF.
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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.