2004 Chevy Silverado fan swithc

Tiny
KCRACE
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
The 0-5 switch that I use to turn the fan up or down only works on 5 now, is it the switch that needs replaced or something else? If its just the swith where can I get one besides the dealer? If it is something else what would it be and where can I find the new part?
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Wednesday, March 3rd, 2010 AT 7:40 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
First check for faulty blower motor relay. If the relay is OK then suspect faulty blower motor resistor. A local auto part store should carry or be able to get these parts.
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Wednesday, March 3rd, 2010 AT 7:48 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Actually looking at repair manual it doesn't appear your vehicle uses a blower motor relay. If its working in high setting then the blower motor resistor pack will need replaced.
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Thursday, March 4th, 2010 AT 3:54 PM

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