Question about 2003 GMC Envoy Xl

1 Answer

Air controls do notv=work

2003 gmc envoy lost all air controls at first lost 123 then 5 and now 4 slowly

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  • mechanic144 May 11, 2010

    well it sounds as if the heater motor resistor is to blame for this..or the control head itself...take it to your mechanic for inspection just to be sure....if you like, you can check the fuses yourself just to make sure its not something as simple as that...if there is a blown fuse, then you must repair the problem that cause the fuse to blow...

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Blower motor resistor

Posted on Nov 14, 2009

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