One Mirror Does Not Operate In Up/Down Positions
- Disconnect inoperative power mirror connector. On left mirror, connect test light between Yellow wire at left power mirror and ground. On right mirror, connect test light between Brown/White wire at right power mirror and ground. With inoperative mirror selected, move power mirror switch to up position. If test light glows, go to next step. If test light does not glow, check for poor connection or open in Yellow or Brown/White wire between power mirror switch and appropriate power mirror. If circuit is okay, replace power mirror switch.
- On Lumina and Monte Carlo, replace inoperative power mirror motor pack. On all other models, on left mirror, connect test light between Yellow and Light Green wires at left power mirror connector. On right mirror, connect test light between Brown/White and Light Blue/White wires at right power mirror connector. Move power mirror switch to up position. If test light does not glow, go to next step. If test light glows, check for poor connections at inoperative power mirror. If connections are okay, replace inoperative power mirror motor pack.
- On left mirror, check for poor connections or open in Light Green wire between power mirror switch and left power mirror. If connections and circuit are okay, replace power mirror switch. On right mirror, repair poor connections or open in Light Blue/White wire between power mirror switch and right power mirror.