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AIR CONDITIONER ONLY BLOWING COLD ON ONE SIDE AFTER DISCONNECTING BATTERY

On my 2005 GMC Yukon, the A/C on the passenger side blows hot at 60 degrees set, other side blows cold at 60 degrees after I disconnected the negative terminal post to complete a cold air intake installation??

Posted by cannon84 on

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  • Anonymous Apr 15, 2009

    I have the same problem Im thinkin there are dual condensors...

  • Anonymous May 05, 2009

    Same problem - but did not unconnect battery. Had ECM reset performed, still blowing hot on drivers side....

  • brian benedict Sep 24, 2013

    Save some time...in most cases disconnecting and reconnecting the battery will resest and fix!

  • Anonymous Mar 18, 2014

    Passenger side only blows cold air in my 2002 gmc envoy

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Anonymous

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Turn your AC off. Turn the car off Crank the car turn ac on drivers side to 60 passenger side to 90 press auto wait 1 minute turn AC off (very important) turn car off turn car back on switch driver's side 90 passenger 60 press auto wait one minute turn AC off( very important) turn car off turn car on AC 70 both sides press auto your ac should be blowing cold If not, you have an expensive problem

Posted on Aug 12, 2009

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  • indio_1966 Jul 30, 2011

    thank you claysmith97 i did it and it woked you saved me a lot of money thank you

  • damonmace
    damonmace Aug 02, 2012

    claysmith97 you F ing genius ;) thanks bro

  • mgbgene Oct 31, 2013

    Tried that, didn't work...whats the expensive problem ???

  • Lee Wehmeyer
    Lee Wehmeyer Oct 15, 2017

    Worked great

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Anonymous

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On my 2005 GMC Yukon, the A/C on theDriver side blows hot , other side blows cold at 60 degrees after I disconnected the negative terminal post to complete a cold air
Jack
417 876 7395

Posted on Jun 16, 2011

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dfairfield

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Sounds like you need to reset the actuators that work the heat/air and temp blending doors on the heater as they needed to be turned to the off position before disconnecting the battery.

Posted on Jan 29, 2019

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