Question about 1993 Pontiac Grand Am

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Air condition my a/c stopped working,thought it was out of R-12,checked for a low pressure switch but was not able to find one. Checked the harness to the compressor and found there was no power. Checked the fuses all ok. Any ideas????

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The a/c on and off switch in the dash sends power to the compressor clutch

Posted on Jun 26, 2008

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I would change the pressure switch and it just turns in and out and it won't loose R134a. The one switch should be on the dryer bottle with two wires plug.

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DONT QUOTE ME but it sounds like the Freon gas is low. the compressor comes on & shuts down & cant build the pressure back up again. There are also high & low pressure switches the can do this. U need to get it checked out further. Good luck

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