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  #1  
Old 06-12-2010, 02:29 PM
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Final stage resistor? Blower doesn't want to stop

Just this morning, my blower is not stopping even after shutting car off. Got to remove the fuse to disable it. The fan sounds like it's running at max speed at all time no matter how I adjust the speed.

I think it's final stage resistor. Just want to hear if there is any other opinion.

I replaced one about 4 years ago. But symptom was different back then. The blower speed went up and down by its own but it still went off as soon as car is off. This time, the blower speed doesn't fluctuate by itself. It's just running at max speed all time and it doesn't stop unless I remove the fuse.

Last edited by flyingmachine; 06-12-2010 at 02:34 PM.
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  #2  
Old 06-12-2010, 02:37 PM
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Yes, it's most likely the final stage resistor. I've seen them short to power internally and cause the problem you describe. Be sure your getting the updated version when you replace. Good luck with the repair.

-Ben
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Old 06-12-2010, 04:52 PM
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I agree. When my FSR went out the fan had the same symptoms that you discribe.
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Old 06-12-2010, 06:29 PM
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When the FSR fails it shorts on the inside and keeps the fan running. Definitely the FSR.
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  #5  
Old 06-14-2010, 11:32 AM
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thanks all. ordering FSR today.
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