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Topic: auto control on 96 c4

in Forum: C4 Cooling and Heating Systems


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auto control on 96 c4

Posted: 5/18/18 12:17pm Message 1 of 3
paulaann
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Joined: 5/18/2018
Posts: 2
Vette(s): 1996 CR convert
I notice everytime I start the car the HVAC comes on . I have o push "OFF" to shut down. is there a computer code that will keep it off until asked to light off?


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Re: auto control on 96 c4

Posted: 5/30/18 9:21am Message 2 of 3
Corveddie
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Beacon, NY - USA
Joined: 11/29/2009
Posts: 43
Vette(s): 1994 convertible, arctic white, black top and interior. LT1 auto.
The AC is on in all positions except "off," "vent (arrow to face)," and "heat (arrow to floor)."  The HVAC panel should remember your last setting when you start the car.  That said, the 1996 year HVAC has unique problems related to vacuum connections.

Corveddie



Re: auto control on 96 c4

Posted: 6/8/18 7:08am Message 3 of 3
ratfink18
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powhatan, VA - USA
Joined: 4/12/2015
Posts: 12
Vette(s): 89 white bik top blk int.auto.
Try turning everything to the off position before shutting off the car,heat and a/c.If you still have the same problem,you have a bad hvac relay staying in the closed position.


in Forum: C4 Cooling and Heating Systems


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