Headstrong Climate Controls - '94 LeSabre - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-03-2013, 09:28 AM   #1
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Post Headstrong Climate Controls - '94 LeSabre

Hi guys, first post from a newb...my wife'* Buick has push button climate control that cycles itself counter-clockwise through the functions, including rear defrost in @ 2-3 second intervals. It registers a button push, but immediately resumes cycling until either it decides to cooperate, or, sometimes, when the engine is restarted. Occasionally, it works as advertised all day - maybe two - but goes back to it'* bad habit. Coincidentally, the computer behind the glove box was replaced just before this all started - could that be it? I've been told it could be the blend door actuator or the circuit board behind the control panel...any ideas would be greatly appreciated.
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Old 11-04-2013, 09:10 AM   #2
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Sounds to me like the head unit for the HVAC has failed. This is the module that has the control ***** and buttons mounted to it on a face plate. You can usually find them on Ebay. Changing them is usually just a matter of pulling the surround bezel, 4 screws and disconnecting the electrical connectors.
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Old 11-16-2013, 11:55 PM   #3
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I'll give it a go! Thanks, Roy
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