Question about 2007 Hummer H3X

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There is no power to some fuses in my 2007 hummer h3 a/c would not come on

I replace stereo and from then a/c never work and stereo stoped overnight.

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  • Contributor
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Get the wiring diagram for yr hummer,there maybe a link fuse or a inline fuse

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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SOURCE: 2006 H3 Hummer AC/Heater Fan Motor

I brought my 2006 H3 in to the dealer for the same thing. My blower stopped working all together but it started as an intermittent problem. He said he had to replaced a diode or resistor either behind the switch on the dash that controls the fan or on the fan motor itself. Have not had a problem since but that was only about 4 months ago.

Posted on Apr 09, 2009

carputers
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SOURCE: 2008 Hummer H3 The trackion failed light on

clean abs sensors at each wheel.

Posted on Sep 08, 2009

  • 1 Answer

SOURCE: the blower motor stops working sometimes

I had the same problem and sloved it with the help of google images, hummer blower motor resistor. Under the glove box the blower motor resistor can be found. It comes loose and the blower will work at times. When I reached under and pushed the connector in, it works fine. It was fixed within minutes. I am a gal with a Hummer and save myself a huge dealer bill. Good Luck!

Posted on May 01, 2010

  • 1 Answer

SOURCE: 2006 H3 Hummer 3.5L Fan blower just stopped

had thid problem and took it to a dealer. they showed me a resistor plug that is between the switch and the blower that melted. I can feel cold air but blower did not work . they said you cannot order the part but they have all the peices to rebuild it. hope the works for you!

Posted on Jul 01, 2010

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SOURCE: (06 Hummer H3) Blower not working, Clutch Keeps blowing fuse.

I assume you've fixed this already given that nearly a year has passer by, but if others experience this, it may help them. Under the dashboard on the passenger side there is a Fan Blower resistor attached to a red connector with 5-7 colored wires. Its held in by two simple screws. Disconnect the connector and inspect it for any burn marks(usually the last orange wire at the end). If this is discolored go to the nearest GM dealer and by about $70 worth of parts. The blower resistor, the red harness connector and the clips that go into the connector. Job takes under an hour and would be rated at novice-intermediate. Advice: set the passenger chair back as far as possible. Remove the harness clips carefully so as not to break them. For more workspace you can easily pull out the plastic facia on the right hand side, it easily slips out from under the foot rail, do not be intimidated there are no hidden screws. There is also a relay down there; a small black box held in by one screw, you might as well change this while you're down there. A dealer may charge as much as $400 for this simple fix!

Posted on Jul 19, 2010

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1 Answer

2009 H3 hummer stereo/cd stacker, the radio part just stopped working. I used the cd part then the radio band and nothing. Is there a fuse for just the band side of the stereo.


I seriously doubt it, though there could be a problem with the antenna. See if theres a power antenna fuse. If it's embedded in the glass, look for a broken clip at the window or loose wiring.

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Locating the voltage regulator located on 2007 Hummer H3?


I don't have a shop manual for a Hummer.
But GM trucks built in 2007 use something other than the alternator to control voltage. Sometimes its called a generator control module and sometimes it is inside the body computer or the ECM.
You may need to check with someone who specializes in Hummers for the answer.

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Where is fuse box located in Hummer 2006 H3


On this website you find fuse box diagram and description for Hummer H3 (2006 - 2007)

Hummer H3 2005 2006 fuse box diagram Auto Genius

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A/c blower stoped working so could it be a fuse


Yes, I would check the a/c blower fuse for the Hummer H3 you have.

Aug 17, 2010 | 2006 Hummer H3

1 Answer

I have a 2007 H3 hummer, suddenly my fan does


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.

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1 Answer

Need diagram for fuse box


On this website you find fuse box diagram and description for Hummer H3 (2007)


Hummer H3 2007 fuse box diagram Auto Genius

Aug 13, 2009 | 2007 Hummer H3X

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