Question about 2006 Hummer H3

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2006 H3 Hummer Ac/Heater fan motor will work great and run, the next time I start and drive not come on at all. Then sometimes after driving about 15 min just kick on and run and do great.

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  • Anonymous Dec 22, 2008

    I have the same problem....have you found out what the problem was?

  • cpl9h Jan 14, 2009

    I drive a 2007 H2 and also have the same problem.

  • natural-9 Jan 19, 2009

    i have the same problem with my heater motor,it works,then cuts out,,,,,,then will come back on,and run great? and when it is -20 degrees, its not cool!!!!

  • Anonymous Mar 13, 2014

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    fan for ac heater does not work 2006 suki grand vitara

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    fan for ac heater does not work 2006 suki grand vitara

  • Anonymous Mar 15, 2014

    My radio speckers fade to one speeker at night and come back on after it sits in the sun all day driving me nuts in my H3 hummer

  • Anonymous Mar 15, 2014

    My radio speckers fade to one speeker at night and come back on after it sits in the sun all day driving me nuts in my H3 hummer

  • Anonymous Mar 16, 2014

    Can not get the air out of the front break line on a 2006 hummer h3

  • Anonymous Mar 17, 2014

    How to replace the Coolant temperature sensor

  • Anonymous Mar 18, 2014

    Windshield was replaced last week. Had a bad storm last night. Thismorning the Hummer wont start. I think it has to do with the computer getting wet. Any fixes?

  • Anonymous Mar 18, 2014

    Got a OEM DVD/GPS upgrade stereo, i installed it the other day everything hooked up great and that but when i tried to turn it on it didnt work nothing came on. The fuses and everything are good, was just wonder what else i could check? Possible the adapter wiring harness is not correct?

  • Anonymous Mar 23, 2014

    The engine will idle rough and shut off when coming to a stop.

  • Anonymous Mar 24, 2014

    I have a 2006 H3 and have an intermittent idling issue. I suspect it's the fuel filter. There is no check engine light during this problem and OnStar diagnostics show no issues. I have them run a check during the time this happens. I have 114,000 miles on it.

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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

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I have a 2006 Hummer H3 and experienced the same problem with the blower motor not working. Relatively easy fix. This problem results from what I consider inferior electrical resistor parts. The resister is easily reached underneath the glove box up by the firewall. If I remember correctly, you just remove two screws and 3 electrical connectors and it comes right out. Kind of like replacing a drive in a computer. If you inspect the part, you will probably see a dark area where the resistor burnt. Just put the new improved one in that I got from the GM dealer reconnect the 3 electrical connectors and two screws and try your blower! Should work. One of the electrical connectors is a little tough to get to as it is on the side so I bent the wires to help get it back in the right spot. Believe me, you can make this repair yourself and save a ton of money.

Posted on Jul 31, 2013

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It sounds like your fan is not getting power or the motor is shot.

You can check the fuse panel to see if there is a blown fuse. Your manual should be able to tell you where the fuse panel is and which fuse controls the AC fan.

If that doesn't work either the fan motor is fried and needs to be replaced or there is a wire between the control panel and the fan that is severed/shorted. If you can find the blower fan and you have a multimeter you can test the motor to see if its good. Let me know if you need any more help.

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Hi if your internal fan not work in any position well i fixed up myself easy and save your money.
locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector from motor fan block. you will see a green multiresistor connected with this big connector. Usually the first + voltage connector is burnet out. disconnect the connector pull from resistor and check for any burn. in my case the first pin was burned out completely
you can buy another connector or you can clean the burned connector take out form connector weld a small copper cable of 5 mm dia from resistor to the burn cable and reconnect the connector without buy a new one. after replace again the resistor in the hole of motor blow with the 2 screw.
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Gabriel from Italy Turin
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