This 2008 Chevrolet Avalanche came in with the complaint that the right front turn signal did not work. This article applies to Avalanche, Escalade, Silverado, Sierra, Suburban, Tahoe and Yukon trucks and suv’s. This generation of GM truck or Suv does not use a turn signal flasher relay as we have always known in the … Continue reading “2008 Chevrolet Avalanche Right Front Turn Signal Inop”
This 2002 Chevrolet Tahoe came in with the complaint that the right daytime running light did not work. The repair starts with removing the headlight assembly retaining pins. They both rotate forward and lift straight up. With the pins removed the headlight assembly will detach from the vehicle. This allows access to the rear of … Continue reading “2002 Chevrolet Tahoe, DRL Not Working”
This 2002 Chevrolet Tahoe came in with the complaint that the dash illumination lights would not come on. These lights are sometimes referred to as panel lights. Testing begins at the illumination fuse in the interior fuse box. The fuse box is located behind this panel on the driver’s end of the dash. With the … Continue reading “2002 Chevrolet Tahoe, Dash Lights Do Not Work”
This 1994 Chevrolet K1500 pickup came in with the very unusual complaint that the stoplights would not work with the ignition on. I checked the brake light operation and sure enough the stoplights worked with the key off but as soon as the key was turned on they stopped. I did notice that the CHMSL … Continue reading “1994 Chevrolet 1500 Pickup, Stoplights Will Not Work With The Ignition On”
This 1992 Chevrolet K1500 pickup came in with the complaint of no headlights. A quick check of the dimmer switch found that the switch did not click when operated. It could have easily had a complaint of no high beams or low beams but in this case, there were no headlights at all. The panel … Continue reading “1992 Chevrolet K1500 Pickup, No Headlights”
This 2005 GMC Sierra came in with the complaint that when the vehicle is started cold, the headlights, dash lights and dome light will flicker or pulsate. As the system runs the problem diminishes but never goes fully away. This is a common complaint on many Cadillac, Chevrolet and GMC full sized trucks and suv’s. … Continue reading “2005 GMC Sierra, Lights Flicker or Pulsate”
This 2002 Chevrolet Tahoe had several complaints and this one is no fog lights. I connected my Tech 2 scan tool and checked some basic functions and found that the scan tool could turn on the fog lights. There was a codes stored for a park light malfunction. I checked wiring diagrams and found that … Continue reading “2002 Chevrolet Tahoe, Fog Lights Do Not Work”
This 1990 Chevrolet K1500 Pickup came in with multiple complaints. The headlights and park lights did not work. The dome lights did not work and the horn did not work. The vehicle owner had already found out that there were three dead fuses in the interior fuse box. It is kind of strange saying that … Continue reading “1990 Chevrolet K1500 Pickup, Multiple Electrical Problems”
Well, I got to see something new today. The customer brought this 1998 Chevy K1500 in with the complaint that the right rear turn signals would not work with the park lights on. I thought no big deal, the right rear socket board has weak internal ground. Seen it a hundred times if I have … Continue reading “1998 Chevrolet K1500, Right Rear Turn Signal Erratic”
This 1996 Chevrolet C3500 came in with the complaint that the tail lights had started turning off while driving down the road. When it arrived at my shop the park/tail lights were not working at all. I pulled the end of the dash loose to get a quick look at the headlight switch wiring. I … Continue reading “1996 Chevrolet C3500, No Tail Lights”