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Heater blower runs with key off - Cars & Trucks

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  • Will Mishler
    Will Mishler Nov 02, 2012

    Please clarify the year, make, and model of the vehicle for easir diagnosis.

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  • Cars & Trucks Master
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This is a problem caused by a defective blower motor resistor speed control module. It the part is near the blower motor under the dash. That is about as specific as i can be without more info from you.

Posted on Nov 02, 2012

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