Question about 2003 GMC Sierra

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Blower motor works whenever it wants to.

Air conditioning blower motor works for weeks. Then It will just shut off and not work for weeks. All of a sudden in the nick of time it will just start blowing..Yaa Help

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  • nick498 May 12, 2009

    where is the blower motor located. Also where is the ambience sensor. thanks for the quick responce .

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  • GMC Master
  • 1,632 Answers

Check for coroded intermitent ground conection. Oppen and close all conectors for proper contact. Check for in cabin ambience temperature sensor if dirty, clean. Finally if no good you will have to replace the controll module.

Posted on May 12, 2009

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W/ Air Conditioning Blower Motor (W/ Air Conditioning) gm-10-00-633.gif

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ea7d1d5.jpg

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