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 1999 Chevrolet Suburban came in with the complaint that most of the instrument cluster. Also the HVAC control head panel illumination bulbs do not work. Since a couple of them did work, I did not have to worry about fuses and switches being the problem. Just blown bulbs. Disassembly starts with grasping the edges … Continue reading “1999 Chevrolet Suburban, Replacing Instrument Cluster & HVAC Illumination Bulbs”
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 2005 GMC Sierra came in with the complaint that the speedometer does not work. In fact it was stuck at 55 mph when it was sitting in the shop key on engine off. This repair can apply to any one of up to seven gauges on 2003 through 2007 Classic series Cadillac, Chevrolet and … Continue reading “2005 GMC Sierra, Speedometer Sticks, Replacing Faulty Gauge Stepper Motors”
This 2000 Chevrolet Suburban came in with the complaint that the instrument cluster does not work. I checked communication with my Tech 2 scan tool and found a communication problem with most modules. Including the instrument cluster. Since my scan tool would power up, I knew that I had power to the DCL and at … Continue reading “2000 Chevrolet Suburban, Instrument Cluster Does Not Work”
This 2005 Chevrolet Suburban came in with the complaint that the instrument cluster gauges do not work. I asked the customer how the problem had started and he told me that the speedometer has been acting up for a while. Recently all of the gauges stopped working at the same time. I connected my Tech … Continue reading “2005 Chevrolet Suburban Instrument Cluster Does Not Work”
This 2005 Chevrolet Tahoe came in with multiple complaints. Radiator cooling fans on with key off, dash warning lights on, gauges not working, door locks cycling, power windows not working and of course the battery will go dead if left sitting for any length of time. I had checked this Tahoe out a few weeks … Continue reading “2005 Chevrolet Tahoe, Multiple Complaints, Communication Faults”
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”
This 1999 Chevrolet Suburban came in with the complaint of an erratic speedometer. I have seen this problem before, so I went straight to the positive battery cable connections. This is what I found. At first the cables look a little corroded but not too bad. A closer look shows heavy corrosion on the terminal … Continue reading “1999 Chevrolet Suburban, Erratic Speedometer Caused by Burnt Battery Terminal”
This 1997 Chevrolet K1500 pick up came in with the speedometer, tach and shift indicator not working sometimes. In testing I also found that there were codes stored related to the TCC (Torque Convertor Clutch) and transmission. P0740, P0785 and P1860. This is a pretty common problem but I was looking for a quick simple … Continue reading “1997 Chevrolet K1500 Pick Up, Tach and Speedometer Inoperative”