Question about 2005 GMC Yukon

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I have a 2005 GMC Yukon XL and my heater only blows out cool air it will not blow hot air. Also the heated seat on the driver side does not work.

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Your heater problem is more than likely a bad temp door motor.The seat heater problem is probably one of your elements.Either back or bottom.If your switch light is coming on then the element is bad.

Posted on Nov 18, 2009

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