LT1-LT4 Modifications 1993-97 Gen II Small Block V8

A/C help

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Old 05-30-2013, 04:33 PM
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Default A/C help

Alright, my AC worked great roughly a year ago. Then I had my engine pulled so I could get my engine bay painted. Motor went back in at the end of October. Car was put away in storage for winter. I pulled the car out yesterday to fill the system back up. Now my AC clutch won't engage. On top the 3 pin plug in is not getting any volts. Wires are in good shape that leads back into the harness. Any ideas?
Old 05-30-2013, 05:14 PM
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Did you check your fuses, AC motor, hows the compressor? My AC went out a few months ago and thought the motor went out and turned out to be a fuse. Make sure you dont have any leaks also. Check the pressure. If all else fails you might need a new clutch.

Last edited by 93Euphoria; 05-30-2013 at 05:19 PM.
Old 05-30-2013, 06:36 PM
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Fuses and relays are good. Bought brand new compressor last year
Old 05-30-2013, 06:37 PM
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Did you reset your computer in case you got the trouble code that inhibits the compressor?
Old 05-30-2013, 06:48 PM
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Also bypass the switch by hooking it up to the battery and still nothing
Old 05-30-2013, 08:25 PM
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Originally Posted by pillarpod
What do you mean?
Pull the battery ground wire, it will reset the computer. The.compressor has a low pressure warning switch that tells the computer to not engage the clutch when the pressure falls to a certain point
Old 05-30-2013, 09:35 PM
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have 80 pounds in the system, its also not running
Old 06-04-2013, 08:09 PM
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Originally Posted by shbox
Did you reset your computer in case you got the trouble code that inhibits the compressor?
yes, still nothing



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