C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1989 C4 C68 Climate Control temp down

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Old May 18, 2013 | 02:09 PM
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revets00's Avatar
revets00
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From: Vinemont Al
Default 1989 C4 C68 Climate Control temp down

Has anyone had problems with the temp down button on the unit not going below 75? Mine will temp up to 90 but will not go down. You have to unhook the battery to get it to reset at 75.
Could this be as simple as the temp down button not making contact or there other things that can cause it?
I took the unit out to clean the contacts because the lights in the display were going out. After I assembled it this started. I read where one guy had this problem and replaced the display unit and it still didn't temp down.
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Old May 18, 2013 | 03:02 PM
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From: Palmdale CA
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You may want to try cleaning it one more time.. When I did mine Alcohol soaked Q-tips worked really well.. just a thought
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