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The blower motor stays running and will not shut off?

Tiny
B3RTOBVNDZ
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
So I’ve replaced the blower motor control processor because it wouldn’t blow any air and now it blows air but when I turn the truck off the air won’t shut off, what could it be?
Thursday, December 22nd, 2022 AT 5:33 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,347 POSTS
It sounds like you have a defective blower control module (resistor). Here is the location and instructions on how to replace it. I would replace the blower motor as well because if it is pulling too many amps, it will cause the module to go out. Check out the images (below). Please let us know what you find.
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Friday, December 23rd, 2022 AT 11:47 AM

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