Question about Hummer H3

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I need to undo the dash board in my hummer to replace the resistor andthe harness

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  • jeannieneddy Sep 09, 2010

    Is there any way you can explain or show me a diagram of how access and free the blower so I can replace the resistor and the harness? How do I take the dash out or have access to the blower?

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2 Answers

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  • Hummer Master
  • 17,970 Answers

This work too in other problem in the resistor pack. It internally shorted and burned the harness. Once you locate the parts it is only like a 30 min fix.

Under the glove box is the blower motor. There is one red plug, that is for the resistor pack. Under that are two screws holding the resistor pack in. Check to see if the red plug is burned, if it is, replace it. Then replace the resistor. The harness to replace also has two other connectors at the blower motor (one for a relay that is beneath the blower motor and one that actually powers the fan). The harness (for an 06 H3) is part 25867517 and the resistor is part 10397098

Note that the motor is a regulated ground don't apply power to this wire; the brown wire is 12V+ and the Orange wire is regulated ground. Here the diagram
, visit this LINK.

Hope this helps.

Posted on Sep 09, 2010

  • ZJ Limited
    ZJ Limited Sep 09, 2010

    Also, HERE can find other details.

×

Click on the link below to view instructions on how to remove the dashboard

http://www.hummerforums.com/forum/showthread.php?t=3248

Posted on Sep 10, 2010

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GM Parts list:

Resistor - p/n 15218254 $8.59*

Connector - p/n 15306069 $30.70*

Wiring harness - p/n 89019124 $20 *

You don't need to remove the glove box, just lay on the floorboard and look up under the dash. There's a 4-wire harness plugged into the resistor assembly (white plastic), in the bottom of the black heater blower shroud. Unplug the harness, remove two small screws, and pull down to remove the resistor assembly.

Good luck and merry xmass.

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