C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jun 17, 2008 | 11:21 AM
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my ac just quit want engaged or anything
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Old Jun 17, 2008 | 11:23 AM
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i have a 77 and my ac just quit needs some help was working fine.check the wiring its all good
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Old Jun 17, 2008 | 11:34 AM
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Low pressure switch shut off. If you can jumper the switch and your compressor kicks in, you are low on freon, and possibly have a leak.
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Old Jun 17, 2008 | 12:13 PM
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Originally Posted by 71rdster
Low pressure switch shut off. If you can jumper the switch and your compressor kicks in, you are low on freon, and possibly have a leak.
Low pressure switch is located just under the fender on the passenger side. Make up a small jumper wire, remove the two wire plug from the switch and install the jumper wire in the plug. If the compressor starts then you're low on refrigerant. Don't run it like that, it's a safety feature.
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Old Jun 17, 2008 | 01:21 PM
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Originally Posted by TopGunn
Low pressure switch is located just under the fender on the passenger side. Make up a small jumper wire, remove the two wire plug from the switch and install the jumper wire in the plug. If the compressor starts then you're low on refrigerant. Don't run it like that, it's a safety feature.
thank u very much for the info.hope i can return the fav. some day
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Old Jun 17, 2008 | 01:22 PM
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thank u very much for the info
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Old Jun 17, 2008 | 01:38 PM
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Originally Posted by lasertecboating
thank u very much for the info
How about taking a few minutes and fill out your profile. That way, it will help forum members help you.
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Old Jun 17, 2008 | 01:54 PM
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Originally Posted by lasertecboating
thank u very much for the info.hope i can return the fav. some day
Let us know what happens, it could be something else also.

Good luck
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Old Jun 17, 2008 | 03:11 PM
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one thing to keep in mind is that the switch can fail to and jumping the switch will not let you know wether it is the switch or low on freon. Really need to check it with a set of gauges.

Neal
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Old Jun 17, 2008 | 04:21 PM
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Originally Posted by chevymans 77
one thing to keep in mind is that the switch can fail to and jumping the switch will not let you know wether it is the switch or low on freon. Really need to check it with a set of gauges.

Neal
If your system has refrigerant, you need to engage the compressor and check the pressures with gauges.
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