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.
1996 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Keyless Entry System Inoperative
- If power door locks do not operate correctly, see appropriate DOOR LOCKS - POWER article. If power door locks do operate correctly, go to next step.
- Disconnect Remote Control Door Lock Receiver (RCDLR) connector C2. Connect test light between connector terminal "A" (Orange wire) and ground. If test light lights, go to next step. If test light does not light, repair open or short to ground in Orange wire to RCDLR.
- Connect test light between connector terminals "A" (Orange wire) and "F" (Black/White wire). If test light does not light, repair open circuit in Black/White wire. If test light lights, check for poor connections at RCDLR. If connections are okay, program a known-good transmitter. If system is still inoperative, replace RCDLR.
Factory Service Tools
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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.