2001 Chevy Silverado A/C fan control levels not working

Tiny
ZCAVAZUNA
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 77,000 MILES
My truck has the standard/manual climate controls. The 1st dial on left (fan level control) has 6positions, off and levels 1 thru 5. Problem is that only the highest one (level 5) works. Levels 1-4 stopped working gradually, one at a time. I checked all the related fuses according to the owners manual and they are fine. I also purchased another whole control unit from ebay. After switching entire units, the problem remains. Please help!
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Thursday, July 3rd, 2008 AT 5:55 PM

1 Reply

Tiny
DENNYP
  • EXPERT
Replace the blower motor resistor.
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Wednesday, July 9th, 2008 AT 9:10 AM

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