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Why is there no power going to my A/C clutch?

Tiny
CLEB YEET SAMELSKI
  • MEMBER
  • 2009 PONTIAC G5
  • 230,000 MILES
There is no power being sent to the clutch. I checked the relays and fuse they looked good. The pressure sensors are also working. I test the ground with my continuity tester it was also good. The switch just got replaced. I'm running out of ideas on why there is no power being sent to the clutch.
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Wednesday, May 5th, 2021 AT 2:11 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

The power comes from the relay. I attached a wiring diagram for you to view. Check the fuse I circled for power on both sides with the key on and the A/C commanded on.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Also, can you give me the pressure readings of the A/C system? If the Freon is low, the compressor will not activate.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Roy
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Wednesday, May 5th, 2021 AT 4:26 PM

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