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  1. OEM Issues
    I've been having a problem with my 2002lt where the instrument cluster starts acting up ie the pic, the radio stops working, ac compressor turns off, door locks don't work, windows don't work, and if you turn off the car in this stage when it's acting up it will not start unless you let it sit a...
  2. 02-09 General Tech Q&A
    Hello, My cluster has been broken on my 2004 Envoy for quite some time and I recently sent it out to get fixed. A few years ago it stoped working and we had to pull the fuse or fuses to cut power to the cluster because it would drain the battery dead. My question is now that I have a fixed...
  3. General
    I've got a very mature (195K mi.) '03 TB LT EXT. Still working reasonably well but I just noticed that the instrument cluster lighting has failed. The instruments are working just fine as is the data panel (mileage, etc.). Checked the dimmer switch and it is turned up full. Consulted the...
  4. General
    I recently swapped my instrument cluster from my 08 Trailblazer to one with the drivers information center from a 07 GMC Envoy. Everything works but I don’t have steering wheel controls so I have no way of cycling through the MPG and vehicle settings screens. All I can do is cycle through the...
  5. The 02-09 "How-To" and DIY Section
    I recently got a new Envoy instrument cluster with the Drivers Information center. I’m installing it in my 2008 Traiblazer LT without steering wheel controls. I watched a video that said if you find the correct wires in the connector you can ground them and add momentary switches to cycle...
  6. General
    I bought an 03 TB a few months ago, and it is really awesome, she was very well cared for. I did her first good interior cleaning, and when dusting the instrument cluster realized that there was no plastic face protecting the gauges, so the duster moved all the needles around. I put them back to...
  7. Audio and Electronics
    I bought an 03 TB a few months ago, and it is really awesome. I did her first good interior cleaning, and when dusting the instrument cluster realized that there was no plastic face protecting the gauges, so the duster moved all the needles around. I put them back to zero position and they all...
  8. General
    Hey! I am pleased to welcome you in the first post on the forum. I am looking for help from people who may have had a problem similar to mine. I am from Poland and I have the Trailblazer 4.2L LTZ from 2003. I was looking for help in many nearby workshops, but none of them was able to help me...
  9. OEM Issues
    I am having a no crank issue on my 2005 TB, chasing down a bunch of different possibilities. But here's one: The self-test that is supposed to illuminate all of the yellow and red lights on the instrument cluster does not occur when I turn the key to Run. I hear normal sounds of a fuel pump and...
  10. Interior
    Hi, this thing is driving me nuts! :crazy: I've done lots of research, read tons of threads, I know similar stuff has happened quite a bit, but I wanted to make a post and see if anyone has any particular suggestions. My instrument cluster in a 2002 Trailblazer LT is going goofy on me. Tach...
  11. General
    I have a 2003 GMC Envoy XL and the Dashboard instrument cluster completely gave out. All gauges are dead and the digital odometer is dead as well. For a few weeks they were on and off working and not working and when the gauges went out, so did the odometer. Back lights are working and always...
  12. General
    While driving my instrument cluster died. All the gauges went to zero. Warning & service lights still work. Later I stopped at the grocery store. The vehicle was parked and turned off for 15 minutes. When I drove away the gauges were still at zero and then came back to life. Now they are...
  13. The "How-To" and DIY Section
    Hello. just updated the instrument cluster to led, but put it back together and except for the back-light (new leds) everything is dead (all stepper motors, DIC, test light cycle and gear marker) don't know what else to test after fuses #22 & #24, dimmer switch. how do i test for ground? is...
  14. Interior
    I have a 2002 GMC Envoy. Today when I started the car I had no instruments on the cluster that worked it did not even show drive, neutral, reverse, etc , only turn signals. When I got home I tried it a few more times after replacing all the fuses and got nothing so this evening once it cooled...
  15. OEM Issues
    Okay, I ran multiple searches and read multiple threads for hours today looking for a possible solution to the issues that just popped up with my wife's TB. The truck is a 2004 TB EXT with the 4.2L, I had to have the tranny rebuilt in January after it burned out (AAMCO said Torque converter...
  16. OEM Issues
    2002 EXT LT Tblazer 4.2L I6 120k miles Many thanks to this board for help with past problems, coilpack 4 wet/cowl seal issue and seat heater replacement. Maybe someone can help with this problem, which started with a lightning strike 1 foot from the driver’s front bumper of my TB as it was...
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