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”
This 2003 GMC Envoy came in with the complaint that the a/c will only blow out the defrost and floor. Not through the dash vents. I checked codes and found a code B0263 for a fault with the mode actuator. I first ran into this problem after changing a battery in one of these vehicles … Continue reading “2003 GMC Envoy, No A/C Vent Control, B0263”
The customer brought in this 1996 GMC Sonoma Pickup with and inoperative turn signal complaint. I checked the fuse and it was oaky. Next step is to check the turn signal flasher. This is a pretty straight forward repair except that most people do not realize where the flasher is at. Both the hazard and … Continue reading “1996 GMC Sonoma, Turn Signals Inop, Changing The Turn Signal Flasher”
This 2002 GMC Envoy came in with the complaint of the two lowest blower speeds missing. Because one of the lower speeds worked along with the high speed I knew that both fuses were good and I went directly to the blower resistor which is very prone to failure. The blower resistor and the blower … Continue reading “2002 GMC Envoy No Low Blower Speeds”
This van came in with a complaint of the starter only clicks when trying to crank ,sometimes. In checking out the problem I noticed that when it did crank it cranked normally. I went to the starter and checked signals. The battery cable to the starter had 12 volts at all times, normal. The “S” … Continue reading “Intermittent Starter Operation 2002 GMC Savana Van”