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

AC problem

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Old Jul 27, 2010 | 11:16 AM
  #1  
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Joe
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From: summerfield ( Villages ) FL.
Default AC problem

After trying everything we figured out the high pressure switch would work some times , replaced it and everything is working fine !
BUT !
The electronic dash control will only go down to 75 and if I bump it up to say 80 it won't come back down unless I pull the fuse and it will reset itself at 75 , I think I need a new or replacment dash control and have been told it must come out of or be for a convertable , coups are different ! could the problem be something else ?
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Old Jul 27, 2010 | 11:27 AM
  #2  
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onedef92
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From: Fort Knox, KY
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Default

It should go down to 65 degrees. Do you have your FSM? It details how to pull climate control trouble codes and will help you correctly diagnose the problem.
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