2002 Chevrolet Trailblazer instrumemt panel cluster

Tiny
AUTUMN NUNEZ
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 4.2L
  • 4WD
  • AUTOMATIC
I have the back lighting turn signals but none of the gauges work (tech, Speedo, fuel, battery, pressure, temp.) Sometimes while driving they will all come on and stay on but a lot of the time on start up they don't work. Also the digital read out for the mileage and what gear I am in does not work. As well as only the lights on the factory radio control buttons are not lit up but the digital readout does work.I have checked the fuses they are good however occasionally the tbc fuse that controls the lights will blow. Can some one please get me a wiring diagram for the instrument cluster harness.I have no voltage read put to a2 (orange) a12 (white) and b7 (brown and white) what could be happening?
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Saturday, December 27th, 2014 AT 1:43 PM

3 Replies

Tiny
HMAC300
  • EXPERT
Two or them that you speak of are power check for a bad connection or wire see pic
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Sunday, December 28th, 2014 AT 7:37 AM
Tiny
AUTUMN NUNEZ
  • MEMBER
Thank you very much. Could you possibly send me the full diagram there are parts cut off I'd like to see where they go. To make sure I'm thuro in checking these wires. Again thank you very much
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Sunday, December 28th, 2014 AT 8:29 AM
Tiny
HMAC300
  • EXPERT
Unfortunately I can't send the whole thing as they are to big to copy. Sorry
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Sunday, December 28th, 2014 AT 8:56 AM

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