The heater/AC blower motor only works on high.

Tiny
FGARNOLD
  • MEMBER
  • 2003 CHEVROLET SILVERADO
  • 77,000 MILES
The heater/AC blower motor only works on high speed. Until a week ago the first two speeds did not work either. Is there a relay somewhere causing the problem or something else. I can find no blown fuses. If it is a relay, can you tell me where to find it?
Thanks for your help
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Wednesday, February 6th, 2013 AT 6:47 PM

4 Replies

Tiny
RASMATAZ
  • MEMBER
Check the blower motor resistor assembly on HVAC module near blower motor
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Wednesday, February 6th, 2013 AT 6:55 PM
Tiny
FGARNOLD
  • MEMBER
Not to sound stupid but the resister is located by the blower motor under hood or under the dash?
Thanks for a quick response.
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Wednesday, February 6th, 2013 AT 10:47 PM
Tiny
RASMATAZ
  • MEMBER
It say by the blower motor-be advised that other components can cause your problem such as the HVAC control module-Good Luck
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Wednesday, February 6th, 2013 AT 11:00 PM
Tiny
FGARNOLD
  • MEMBER
Thank you, I'll check it out.
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Wednesday, February 6th, 2013 AT 11:24 PM

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