Test 2: Left Front Window Inoperative: 4-Door
- Turn ignition switch to RUN position. Using a test light, backprobe between master switch assembly connector terminals "A" (Dark Blue wire) and "E" (Brown wire). Move left front window switch on master switch assembly to UP and DOWN positions. If test light illuminates in both positions, go to next step. If test light does not illuminate in both positions, check master switch assembly connector for poor terminal contact. If connection is okay, replace master switch assembly. See WINDOW SWITCH under REMOVAL & INSTALLATION.
- Disconnect left front window motor connector. Connect a test light between left front window motor connector terminals "A" (Dark Blue wire) and "B" (Brown wire). Move left front window switch on master switch assembly to UP and DOWN positions. If test light does not illuminate in both positions, go to next step. If test light illuminates in both positions, check left front window motor connector for poor terminal contact. If connections are okay, replace left front window motor. See WINDOW MOTOR & REGULATOR under REMOVAL & INSTALLATION.
- Check for open in Dark Blue wire between master switch assembly connector terminal "A" and left front window motor connector terminal "A". Check for open in Brown wire between master switch assembly connector terminal "E" and left front window motor connector terminal "B". See WIRING DIAGRAMS . Repair as necessary and retest system.