HAVE TO GROUND A/C RELAY TO GET COMPRESSOR TO START

2002 Cadillac DTS

Tiny

john4084

December, 21, 2011 AT 7:08 PM

The ac compressor wont come on it is full of freon and the fuses are good and the relays are good too. I can get it to come on if I put ground to the a/c relay. All the fuses and relays are good the a/c system is new the only way I can get the compressor to come on is to put a ground to the relay in the juction box

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1 Answer

Tiny

rasmataz

December, 21, 2011 AT 7:21 PM

The computer might not be grounding the AC relay or a problem with the pressure switch and also still low in freon-Check it with a manifold gauge

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