Question about 1999 GMC Yukon
Under the dash on the passenger side. You'll have to remove the plasitc hush cover under the dash to get to it. The wiring harness and resistor assembly is what your problem is. It's very common with chevy's.
Once you get the hush cover off you'll see the resistor assembly right next to the blower motor just above where the passengers feet would be. It's about the size of a pack of cigarettes. You'll want to splice in a new wiring harness and replace the resistor. I just did this on my Chevy Truck. The parts were $179.00 and it was a pretty easy fix. The hardest part was putting the hush cover back on.
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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