Indicator Inoperative
- Measure voltage between tailgate ajar switch terminal "D" (Dark Green wire) and ground. If no voltage is present, check for poor connection in Dark Green wire circuit. If circuit is okay, repair or replace IPC.
- If battery voltage is present, measure voltage between switch connector terminals "A" (Dark Green wire) and "B" (Black wire). If no voltage is present, repair open circuit in switch Black ground wire. If battery voltage is present, check connections at tailgate lower lock ajar switch. If connections are okay, replace tailgate lower lock ajar switch.