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Old 07-04-2013, 09:05 PM   #1
bliehr
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Member Since: Jul 2005
Default Climate control shutting down.

Hay guys
Havenít posted here in awhile but I need your help again with my AC.
I have a 97 with Climate control and out of the blue it has started shutting down, and on its own, comes back on in 2 to 10 minutes. It doesnít seem to matter if I am driving or itís sitting in the driveway idling.
Is there a circuit breaker somewhere that may be going bad?
Itís 90+ degrees here in PA and I need that darn AC to work.
Any help will be greatly appreciated.
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Old 07-04-2013, 10:07 PM   #2
8VETTE7
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I would have the freon in the system checked. Low freon can cause the system to shut down/cycle.

No circuit breakers in the AC wiring. Fuse 24 and relay 34 both in the engine compartment fuse box.

Also fuses 18 and 27 in the IP Fuse box behind the toe kick in the passenger foot well.

Last edited by 8VETTE7; 07-04-2013 at 10:11 PM.
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Old 07-04-2013, 11:15 PM   #3
bliehr
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Freon is good with plenty of cold air. That was the first thing I checked and pressure on low side is good.
Thanks for the reply
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Old 07-05-2013, 12:33 PM   #4
jcgunn
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Is your OAT gage reading correctly? If the sensor is bad/disconnected and the system thinks the OAT is cold, it won't let the A/C stay on.
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Old 07-05-2013, 08:00 PM   #5
bliehr
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Thank you for your reply.
My entire climate control system shuts down and the screen goes blank as if there is no power going to it.
It is not JUST an AC problem, even the defrost will not come on.
BTW, what is an OAT gauge?
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Old 07-05-2013, 08:12 PM   #6
TEXHAWK0
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Location: Longview Texas
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I think he is talking about the Outside Air Temp. sensor. If it is outside the temp. range, it will cause the compressor to shut off, but don't think it would power down the AC control head.

You may just need to have the control head checked. There are places on Ebay that will sell you a reconditioned control head, including making sure all the lights work...
By the way, it is a common problem for the display resistors to come loose from the circuit board and cause the display to go dim, or off... That could be the problem if just the display is dim, and the controls still work...

Last edited by TEXHAWK0; 07-05-2013 at 08:18 PM.
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Old 07-06-2013, 03:16 PM   #7
bliehr
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No, the controls wont work either. Then after a few minutes it will all come back on for a wile and then off again.
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Old 07-08-2013, 07:31 AM   #8
jvette2
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I have been having the same issue with my controls for the last couple of summers. Some times it works and then some times it does not.
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Old 07-08-2013, 06:06 PM   #9
bliehr
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Well now I'm thinking a bad ground somewhere, but where to start??
If it ever cools off a little here in PA I'll take a look and see if I find anything.
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Old 07-17-2013, 04:11 PM   #10
bliehr
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Can anyone tell me where the ground wire may be for the Climate Control unit?
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Old 07-22-2013, 09:43 PM   #11
bliehr
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Can anyone help me out? I know someone out there can get me started on the right track and I will be most grateful.
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Old 07-22-2013, 09:43 PM
 
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