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  1. 07-23-2009, 12:22 PM #1
    gjwizard
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    Default wierd AC problem

    Hi and thanks in advance for viewing. I have just bought a 1997 silverado. I went to turn the ac on and noticed a ventilation problem. When I turn the blower on to the cab it blows out of the vents fine but when I push the AC button it switches to the floor and blows cold. When I turn the AC button off it switches back to the upper vents but has no cold air. can someone tell me how to correct this problem.
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  2. 07-23-2009, 12:24 PM #2
    Mean_Green_95
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    Default

    Might try a new selector switch...
    2000 Sierra ext. cab
    5.3, auto, power everything, Pioneer AVH-2300DVD, Kenwood door speakers, 2-10" MA Audio subs, eBay cai, 1 chamber eBay muffler exiting before tire, 245/75 16 Wrangler Armortracs, 6500k HIDs with relay kit

    1995 Cheyenne C1500 ext. cab(my baby, my first truck)
    5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors
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  3. 07-23-2009, 12:36 PM #3
    retired
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    Default

    Sounds like a bad control module.
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