BLOWER MOTOR FOR HEATER ONLY OPERATES ON HIGHEST...

  • Tiny
  • Joe535
  • 2002 CHEVROLET IMPALA
  • 87,500 MILES

Blower motor for heater only operates on highest setting will not operate on lower settings, what gives?

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Thursday, January 17th, 2013 AT 3:17 PM

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  • Tiny
  • JDL
  • EXPERT
  • 16,287 POSTS

Maybe a problem with blower resistor? That should be close to blower motor, under dash, passenger side. You may be able to get at it through glove box, if not then have to get at it from under dash. Also, check blower fuse, left side of dash, check the fuse and voltage, goes hot with the key on.

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Thursday, January 17th, 2013 AT 5:01 PM

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