Question about 2006 Hummer H3

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I have a 2007 H3 hummer, suddenly my fan does

I have a 2007 H3 hummer, suddenly my fan does not work, the fuse is good but the fan will not come on. The A/C works as does the Heat, just no fan, the fan did not make any strange noises before it just stopped working

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  • Douglas Hansen
    Douglas Hansen May 11, 2010

    Are you out of warrantee?

  • ggillis1215
    ggillis1215 Aug 03, 2012

    How do you disconnect the HVAC blower resister?

  • Nate Elkins May 03, 2013

    Had that happen to me on my 07 h3 come to find out there was wire harness that had gotten hot and melted causing the problem, (it's under the passenger side glove box) me and a buddy fixed it for 50.00 works great now!

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  • 15 Answers

It's the HVAC blower resistor in the air plenum under the glovebox. New resistor and wiring harness is about $70 at the Hummer Dealer.

Posted on Oct 07, 2009

  • Marvin211 Jul 16, 2011

    mine was just the red harness( only one of the wires), cleaned it up, slightly burned, shaped the terminal little to fit tight and its working again, resistor ok

  • jdiviggiano Jul 16, 2011

    I considered your fix myself, but then I realized that something caused the wiring harness and plug to burn. My assumption was a defective resistor, so I chose to replace the entire assembly. Let's hope you don't run into this problem again. Good luck.

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Gabriel from Italy Turin
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