Doors Do Not Unlock With Ignition Switch In Run Position &: Roadmaster
- Set parking brake. Turn ignition switch to RUN position. Shift transmission to Drive. Connect test light between Remote Control Door Lock Receiver (RCDLR) connector C1 terminal "C" (Light Green wire) and ground.
- If test light lights, check for short to voltage in Light Green wire, incorrectly adjusted back-up light switch, and transmission position switch. If all components are okay, replace transmission position switch.
- If test light does not light, shift transmission to Park. Connect test light between RCDLR connector C1 terminal "C" (Light Green wire) and ground.
- If test light does not light, check for poor connection at transmission position switch or open circuit in Light Green wire. If connection and wire are okay, replace switch. If test light lights, check for poor connection at RCDLR connector C1 terminal "C" (Light Green wire). If connections and wiring are okay, replace RCDLR.