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

C4 air conditioning

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Old Sep 20, 2017 | 02:31 AM
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Richard Benzer
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Default C4 air conditioning

Hello fellow corvette lovers,
I have a 1992 c4 where the a/c will quit blowing cold and tha a/c light blinks on and off. If I disconnect the battery, totally killing power to the car, then reconnect it. The a/c will work fine for awhile
Could be minutes, hours , or days. Then it does it again. I then have to disconnect the battery agian....
Does anybody have any ideas what this could be? Any help is greatly appreciated
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Old Sep 20, 2017 | 11:51 AM
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Is this the C60 (manual) or C68 (automatic) controls? Since it blinks, I am assuming that it is the C68. What it sounds like, is that the head unit needs servicing (like a capacitor failing). See here: http://www.batee.com/corvette/dcrg/9096_hvac/

Keith
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Old Sep 20, 2017 | 11:48 PM
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Originally Posted by Richard Benzer
Hello fellow corvette lovers,
I have a 1992 c4 where the a/c will quit blowing cold and tha a/c light blinks on and off. If I disconnect the battery, totally killing power to the car, then reconnect it. The a/c will work fine for awhile
Could be minutes, hours , or days. Then it does it again. I then have to disconnect the battery agian....
Does anybody have any ideas what this could be? Any help is greatly appreciated
To save you some time when resetting...try disconnecting the A/C controller 5 Amp fuse in the fuse box. That is how I reset mine after changing the pressure switch and recharging.
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Old Sep 21, 2017 | 03:48 AM
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Richard Benzer
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Thank you everyone . I will order the repair kit Keith sent me a link to at batee.com . I do appreciate it...
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Old Sep 21, 2017 | 04:01 AM
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Sounds the same as my problem a guy named Keith on forum gave me a link to batee.com for a repair kit for the a.c. programmer for the c68 digital climate control. I am going to buy that and fix it myself. I hope this helps..
Richard
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Old Sep 21, 2017 | 04:03 AM
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Richard Benzer
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Originally Posted by Keith Huffstutler
Is this the C60 (manual) or C68 (automatic) controls? Since it blinks, I am assuming that it is the C68. What it sounds like, is that the head unit needs servicing (like a capacitor failing). See here: http://www.batee.com/corvette/dcrg/9096_hvac/

Keith
Thanks Keith I will order the part tomorrow and try to fix it myself. I do appreciate it. Richard
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