Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
on the relay there should be little numbers that designate terminals can you jump 30 to 87 terminals in the box the relay would pop into with the car running and will the compressor run when you do that ?
out of the bottom of that fuse block can you see the colors of the wire into each of those terminals ?
ok pull out that relay with the key OFF two terminals shows 12 volts correct ?
then with it running one terminal should show a ground just when the AC is set to ON can you check for this ?
out of the 4 female terminals 2 should show 12 volts with the car ON and one of the last 2 female terminals should turn on a ground when the car is running and the AC is turned ON
yes jump 3 to 5 with the car ON and the AC ON the female terminals in the box that match the 3 to 5 of the relay
will the compressor turn on and the AC work ?
ok if you jump that relay and you can confirm there is 12 volts at the compressor at the dark green wire and can confirm the black is a good ground at the compressor and the compressor is NOT turning on the compressor itself is bad
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