A/c Problems

By cdmm151
June 27, 2011 in 1999-2013 Silverado 1500 & Sierra 1500

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cdmm151

Posted June 27, 2011

My son's 2000 GMC 1500 pickup has developed an issue that is when he turns off the truck and puts gas in it, the A/C goes to defrost and you can change it. You have to disconnect the battery and it works normal then. What the fix for this issue?

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