Mechanics

THE AC COMPRESSOR WONT COME ON IT FULL OF FREON AND THE FUSES ARE GOOD AND THE RELAYS ARE GOOD TO I CAN GET IT TO COME ON IC I PUT GROUND TO THE AC RE

2002 Cadillac DTS • 154,000 miles

All the fuses and relays are good the ac 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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John4084
December 21, 2011.



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

Rasmataz
Dec 21, 2011.