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Thread: Heater controls not working

  1. #1
    Junior Member 05jeeper's Avatar
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    Default Heater controls not working

    Like the title says my heater controls haven't been working right, I have to turn the dial thingy up to the third area for the heat to even turn on and then when i try to control the vents it always comes out on defrost. This has been broken for a while so not sure when or what i may have broke but its really heating up and a/c would be nice.
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    Got Beer airforce26yrs's Avatar
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    Not sure about the Wrangler type of Jeep, but on the grands if the air only comes out the defrost it generally means there is a vacuum hose disconnected some where on the engine or one broke some where.

    As far as getting it to blow, that sounds like the resistor pack is bad. Again not sure about that on the Wranglers.
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    Time n Money Ghost00TJ's Avatar
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    your switch is probably bad, do a search for wrangler heater problems and there is a bunch of info on it. Very common on the wranglers for that to go bad.
    http://en.allexperts.com/q/Jeep-Repa...ler-Heater.htm
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    Administrator/Jarhead Jeeper USMCHarleyJeepGuy's Avatar
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    There is a resistor that is accessed behind the glove box that I have had to replace twice in 6 years. It is a dealer item and a little over 20 bucks. It will show signs of going out by losing the first (lowest) fan setting, then the second and so on until it does not work at all anymore.
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  5. #5
    Junior Member 05jeeper's Avatar
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    yeah must be the resistor, and looked up the defroster problem looks like i have a vacuum leak
    -05 Wrangler X 4.0L 6 speed-
    -Mods-
    |6in RC Long Arm| |35in mickey thomsons| |6in genright flares| |Smittybuilt XRC10| |CB ch-19|

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