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Thread: 97 grand prix, heat fan

  1. #1
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    97 grand prix, heat fan

    ok so my girlfriend has a 97 pontiac grand prix....the heater fan does not work...low med hi..all do not work...any idea what might be the problem???

  2. #2
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    there are a few possibilities,fuse,relay,resistor block,switch,motor, ground , or wire connection .

  3. #3
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    blower motor resister is pretty common. Did they all stop working at once or gradually die off?
    hero - the most overused english word

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    heater resister there very common on gp its behind the blower motor held on by 2 7mm screws,pull it out it will be green from being wet,if u pull the plug off the heater motor and theres no power then it should be the resistor, make sure to check the fuse first

  5. #5
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    same thing happened to my dad's 2000 GT. turns out there was water leaking through the windshield and it came in contact with the fan and killed it.

    check on the passenger floor UNDER THE CARPET!!! if it's wet.. that's bad.

  6. #6
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    All of the above are valid and true. Resisitors are extremely common. I need one for my '00 Alero. $26 is my jobber list price, retail is about $37
    ....-Noltz
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