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 MANUALSGMC1995RALLY G2500, 4.3 ZREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSKEYLESS ENTRY SYSTEM - REMOTETESTINGKEYLESS ENTRY DOES NOT OPERATE
1995 GMC Rally G2500, 4.3 Z
Keyless Entry Does Not Operate
1995 GMC Rally G2500, 4.3 ZSECTION Keyless Entry Does Not Operate
- Disconnect control module connector. Connect test light between Orange/Black wire at connector and ground. If light glows, go to next step. If light does not glow, repair open in Orange/Black wire.
- Connect self-powered test light between Black wire at module connector and ground. If light glows, replace control module. If light does not glow, repair open in Black wire.
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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.