1998 buick park ave. a/c compressor is not engaging. got 12v at the compressor wires, without starting the engine or even when the key is off. is this normal

5

Asked by Jun 08, 2017 at 11:47 PM about the 1998 Buick Park Avenue 4 Dr STD Sedan

Question type: Maintenance & Repair

got 12v at the compressor wires without turning the key on..is this normal?

1 Answer

1,530

You should not have any voltage going to the clutch with the key off. Did you just buy the car, did it work ok until recently? Someone may have wired it directly.... There is a relay that kicks the compressor clutch in......even if they jumper the relay, I don't think it will get voltage.

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