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Trouble with Envoy 4wd


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Posted

I own a 2002 GMC Envoy that is having problems with the 4wd system. At times, the indicator lights on the 4wd selector switch change to different positions even though the selector switch has not been moved from 2wd. The dealership has changed the transfer case module and solenoid and reprogrammed the module but it is still doing it on occasion. Any ideas or experiences???

  • 2 weeks later...
Posted

Check the wiring harness under the hood. I had a bent pin that give me this same intermitant problem. I cant tell you the exact one, but could get details from my dealer.

 

Dave

03 SLT Envoy

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