2000 GMC Yukon, Rear Lights Inop

This 2000 GMC Yukon came in with the complaint that at different times the stop lights, tail lights, turn signals and back up lights stop working. I did the basis bulb and socket tests and found nothing wrong. When I got to looking a little deeper in the system I found this rear harness junction … Continue reading “2000 GMC Yukon, Rear Lights Inop”