Air/con controls don't work properly. They move from defros..

wiggo 9/7/2010

1997 GMC Savana 1500 Base 8Cyl5.0L - Engine

Air/con controls don't work properly. They move from defrost to front vents by themselves

Fan runs but controls seem to turn on and off or move position by its self. Happens most during highway driving and or during acceleration

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