AC fan blows part time

Tiny
SHAWN3295
  • 2003 GMC YUKON
  • 130,000 MILES

My a\c fan control is blowing very erattic. If u turn the fan speed on high it might not bloe but very low. You can turn off the car and crank it back up and it will then blow on high but will soon go back to low.

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Tuesday, August 30th, 2011 AT 5:18 PM

3 Replies

Tiny
DOCFIXIT
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  • 18,987 POSTS

Do lower speeds work? If yes suspect blower motor controler under right side dash

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Tuesday, August 30th, 2011 AT 6:24 PM
Tiny
SHAWN3295
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No there is no middle speeds. Very low or wide open. If it's set on high

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Tuesday, August 30th, 2011 AT 6:29 PM
Tiny
DOCFIXIT
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Then controler

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Tuesday, August 30th, 2011 AT 6:50 PM

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