Question about 2005 GMC Sierra 2500HD 4WD

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Changed battries on 2005 gmc 2500hd and now blowes hot air on driver side and cold air on passenger side.I disconected the battries and pulled the HAVAC fuses and reconected now blowes hot air only.

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  • chance_fr771 Jul 14, 2011

    It was not doing this befor I changed the batteries

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Give some more details of the problem.

Posted on Jul 14, 2011

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