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Gauges problems

Tiny
BLESS2SUCCESS
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 144,000 MILES
I have a 2004 Chevy Trailblazer and when I start up the vehicle sometime the lights won't come on neither do the gauges would move. Could this be the Body Control Module need to be replace or something? How can this issue be repair?
Wednesday, January 23rd, 2019 AT 5:44 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,049 POSTS
Hello,

It sounds like the cluster is going out but to be sure here is a guide to help you test for power and ground and the cluster wiring diagrams so you can see how the system works with a video of the cluster getting changed out for a rebuilt unit in a similar car.

https://www.2carpros.com/articles/how-to-check-wiring

and

https://youtu.be/_HEC44xENxw

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Thursday, January 24th, 2019 AT 1:46 PM

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