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A/C Temp Control

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Old Sep 5, 2006 | 04:07 AM
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After work tonight, my windows were fogged up and so I turned on the defrost. The setting was on cold cause I was using the A/C last. When I tried to move the setting to warm, it wouldnt budge at all. Its stuck on cold. Kinda hard to drive home with a fogged up window. Any idea what could be wrong?
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Old Sep 5, 2006 | 06:57 AM
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You may have to disconnect your battery, to clear the fault in the electronic unit. Same thing happened to me, and that's what I had to do, per CF instructions. Haven't had a problem since!
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Old Sep 5, 2006 | 11:20 AM
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You can pull the fuse on the ECM for 30 seconds, too.
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Old Sep 5, 2006 | 11:27 AM
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I'll give these ideas a try. Kinda odd if you ask me.
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Old Sep 5, 2006 | 11:34 AM
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Originally Posted by 4Ever21
I'll give these ideas a try. Kinda odd if you ask me.
That's GM. Every car has its quirks and Corvettes are full of 'em you will come to know....
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Old Sep 7, 2006 | 01:44 AM
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No good, I pulled the fuse for a few minutes and it didnt fix it. I opened the hood and noticed that a connector had come loose from the A/C line. I hooked it back up but it didnt fix it either. The A/C, heat, defrost switch moves just fine, but the temp. one wont budge at all.
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Old Sep 7, 2006 | 06:30 AM
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Do you have the electronic A/C or manual? The manual system uses a mechanical cable from the temperature select lever to the temperature door, lube or free up the lever mechanism, cable or temprature door if it is binding.

Last edited by toptechx6; Sep 7, 2006 at 08:22 AM.
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