Question about 2006 Hummer H3

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Heater air fan doesn't come on - 2006 Hummer H3

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First, check the fuse in the underhood fuse block. If it's good, it's probably the blower resistor, which is in the air plenum, under the glove box. It is a six pin red connector. The resistor is about $33 at your Hummer Dealer and if you need the wiring harness due to a burnt connector, it's another $38. Very easy to replace yourself. Good luck.

Posted on Oct 07, 2009

  • giraffe7881
    giraffe7881 Jul 22, 2012

    Thanks for the info now hope we can fix the problem

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