1990 Chevrolet K1500 Pickup, Multiple Electrical Problems

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”

1998 Chevrolet K1500, Right Rear Turn Signal Erratic

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”

2003 Chevrolet Impala, Gauges and A/C Compressor Turn Off After 5-10 Miles of Driving

This 2003 Chevrolet Impala came in with the complaint that the dash gauges and a/c compressor turn off after 5-10 miles of driving. There were dozens of codes stored in multiple modules and I seem to remember a reference to low  voltage. I eventually wound up in “Engine Data 2” to find the data line … Continue reading “2003 Chevrolet Impala, Gauges and A/C Compressor Turn Off After 5-10 Miles of Driving”

2003 Chevrolet Suburban, No Blower Speeds 2 and 4

This  2003 Chevrolet Suburban came in with the complaint that the blower had lost speeds number 2 and 4. The customer was very concerned that the other speeds would soon fail too. This Chevy Suburban has manual HVAC controls so it uses a blower resistor assembly. Make sure the ignition remains off and remove the … Continue reading “2003 Chevrolet Suburban, No Blower Speeds 2 and 4”

2004 Chevrolet Tahoe Multiple Problems, No Communication

This 2004 Chevrolet Tahoe came in with a multitude of complaints. Some of the complaints were that it might not start, the power windows would stop working, the door locks would cycle, the radio would stop working, the instrument cluster gauges would stop working and  multiple warning lights would come on. From a technical perspective … Continue reading “2004 Chevrolet Tahoe Multiple Problems, No Communication”

2004 Chevrolet Tahoe, Rear Blower Will Not Turn Off.

This 2004 Chevrolet Tahoe came in with the complaint that the rear blower would not turn off and the battery went dead as a result. This Tahoe has manual a/c controls. The first thing that I did since the vehicle had to be jumped off to get it to my shop was to turn the … Continue reading “2004 Chevrolet Tahoe, Rear Blower Will Not Turn Off.”

2004 Chevrolet Silverado, Changing The Passenger Side Blend Door Actuator, B0424

This 2004 Chevrolet Silverado came in with a faulty passenger side blend door actuator. In the last post I got you to this point. If you have not yet read that post please click here. Now that the dash cover is off and you can see the actuator, but you still cannot get to it. … Continue reading “2004 Chevrolet Silverado, Changing The Passenger Side Blend Door Actuator, B0424”

2004 Chevrolet Silverado, Dash Cover Removal

This 2004 Chevrolet Silverado came in with multiple hvac actuator faults. After diagnosing a faulty passenger side blend air door actuator with my Tech 2 scan tool it was time to remove the dash cover. Not a big deal but there are a lot of steps. Lift the lower edge of the dash end caps … Continue reading “2004 Chevrolet Silverado, Dash Cover Removal”

2003 Chevrolet Silverado, Changing the Mode Actuator, Code B0263

This 2003 Chevrolet Silverado came in with the air flow stuck on defrost. A simple diagnosis of a code B0263 found a faulty mode actuator.  This repair applies to 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011 Chevrolet Avalanche, Silverado, Suburban and Tahoe. It also applies to Cadillac Escalade, GMC Sierra and Yukon … Continue reading “2003 Chevrolet Silverado, Changing the Mode Actuator, Code B0263”

2002 Chevrolet Trailblazer, B0028, B0029 & B0030

This 2002 Chevrolet Trailblazer came in with the airbag light on and codes B0028, B0029 & B0030 for passenger side air bag wiring faults. Something that has had a hard time sinking into my head is, when the scan tool states that there is a problem with a passenger or driver side air bag, SIDE … Continue reading “2002 Chevrolet Trailblazer, B0028, B0029 & B0030”