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AC Fan has a LIFE OF ITS OWN?? 04 Grand Prix

L

Levi Hardin

New member
Recently came over from CLUBGP love the site!!

I am sitting at the Taco bell at night with the AC running... all of a sudden i hear the craziest noise out of the bottom right and the fan seems to be blowing on FULL Blast! I lose all control of the fan speed through the ac control dash. I can still control where the air flows and hot or cold but not fan speed. The real problem comes when i turn the CAR OFF!! The fan CONTINUES to run at FULL SPEED. Never turns off when i remove the key... i now have to crawl under the passenger side and unplug the fan connecting to the fan. As soon as i plug the cord back in, the fan turns back on without the key being in the ignition. Any body have any Help?
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Mine did this. It was the fan resistor. I pulled a fuse under the hood (battery 4 I think) to make it stop when I turned the car off until I got the replacement resistor.
 
ive heard of it possible being the resistor on the fan .... And yes it is stuck on speed 5 or high blast when i plugged the plug back in on the fan
 


OK... I have a similar problem. Only speed 5 works. Where is the fan resistor and how do I replace it?
 
Twenty minute job. Drop the blower motor under the glove box and the resistor is in there. Mine looked like it was destroyed compared to the new one I replaced it with.

Oh grand prixs.
 


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