Question about 2004 GMC Canyon

2 Answers

Ac switch ac fan switch only works on number 4 setting. 1-3 do not work at all

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  • metricman Sep 13, 2008

    Exact same problem. No 1-3, but 4 works.



    Found resistor module directly behind glove box adjacent to fan. Wiggled connector and fan now works, but I know it will fail again. So, Monday it's off to the dealer for a new module that is held in by one screw.



    Thanks for the "right on" info.

×

2 Answers

I found that the resistor plug had melted at one of the center pins. The resistor it self was fine. I was able to bend the pins so they would make contact, then the fan worked ok.
This was a temporary repair because the connector will melt again.
I was told that the dealer has replacement connectors that can be spliced into the wiring harness to replace the melted connector. Its a common problem with these trucks and at this time there is no recall.

Posted on Sep 24, 2008

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  • Master
  • 5,158 Answers

Find the resisters for the fan and change that part. it's generally located on the venting for the air under your dash... look near the fan.

fairly easy fix... pull out the old one and replace it. water sometimes leaks in or just plain old condensation and rusts it out.

Robert

Posted on Sep 07, 2008

  • Roberta Smith
    Roberta Smith Jan 31, 2009

    please consider bumping this rating to a fixya... thanks

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