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A/C compressor clutch not engaging

Tiny
BIGAL1013
  • MEMBER
  • 2006 FORD EXPEDITION
  • 5.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
My A/C won't work just bought this used vehicle listed above. Air is not cold nor hot when A/C is on. Noticed under the hood that the A/C compressor clutch is not working. I need help before going and buying a new one. Thanks in advance.
Thursday, January 21st, 2021 AT 4:32 PM

1 Reply

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

I attached a wiring diagram for you for testing to see if the compressor is getting power.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

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

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

You need a voltmeter to do the testing. Go to the relay and check for 2 powers with the key on.

Roy
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Thursday, January 21st, 2021 AT 6:08 PM

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