Both Left & Right Windows Inoperative
- Turn ignition switch to RUN position. Backprobe left window switch with a test light from terminal "H" (Brown wire) to ground. If test light does not illuminate, go to next step. If test light does not illuminate, repair open in Brown wire between left window switch and instrument panel fuse block.
- Backprobe left window switch with a test light from terminals "H" (Brown wire) to "G" (Black wire). If test light does not illuminate, ensure ground is clean and tight, or check for open in Black wire between left window switch and ground. If test light illuminates, check for poor connection at left window switch. If connection is okay, replace left window switch.