A/C compressor will not turn on unless jumped with a relay

MARKYMARK1321

MEMBER
2007 FORD F-150
V8
AUTOMATIC
180,759 MILES

A/C compressor will not turn on unless jumped with a relay. When I take the paperclip off the relay box it turn back off. What can be the problem and how can I fix it?

Friday, January 1st, 2021 AT 8:46 PM

1 Reply

ASEMASTER6371

MECHANIC
52,797 POSTS

Good morning,

I attached a wiring diagram for you to view.

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

You need to go to the relay and make sure you have 2 terminals with power with the key in the on position.

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

Roy

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A/C compressor will not turn on unless jumped with a relay

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