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2005 Chevy Silverado Fan control for heat or A/C doesn't wo

Tiny
HOGANOZZY
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 29,000 MILES
The fan speed control has 5 speed settings 1 to 5. When I select the high or "5" setting the fan stops. It seems to work on all other speeds. Could this be the "Blower Motor Resistor"? If so, where is it and is it easy to change?
Monday, November 17th, 2008 AT 3:02 PM

4 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
It will need the blower resistor and wiring connector.
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Monday, November 17th, 2008 AT 3:08 PM
Tiny
DENNYP
  • MECHANIC
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It is under the passenger side of the dash, near the blower motor.
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Monday, November 17th, 2008 AT 3:09 PM
Tiny
HOGANOZZY
  • MEMBER
  • 1 POST
Denny, Do I need the connector for sure or only if it shows signs of damage? Thank you very much for your help.
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Monday, November 17th, 2008 AT 5:21 PM
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
The big red wire on the connector usually has a loose terminal that will cause the wire to overheat. This will cause the heat to transfer through the resistor module and burn up the module. Look very close at the wire and you should see some discoloration. The connector might not even come out of the resistor.
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Tuesday, November 18th, 2008 AT 2:53 PM

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