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

1993 AC question

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Old Mar 21, 2025 | 05:02 PM
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swtato
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From: Seabrook Texas
St. Jude Donor '05
Default 1993 AC question

Question my AC Control module in my 93 has the issue where sometimes it doesn’t switch modes or temp when you push the buttons, and sometimes the green light will flash when a mode is selected. I know this is common and I’m going to try and clean the connections to see if that solves that issue.

My main question is the AC had blown ice cold. Coming back from a car show Sunday the AC was blowing cold and then was blowing warm suddenly. I don’t hear the compressor cluch clicking like it should when turning the ac on and off. Could these intermittent buttons issues cause a faulty signal to the compressor to turn on?

I’m not an electrical genius or ac expert but before I take it in I thought I would ask if the 2 issues could possibly be related?
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