A/C Clutch not engaging

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Joined
Jan 20, 2005
Threads
2
Messages
15
Location
Central KY
Hello all--

A friend called me yesterday asking about his a/c system on his '96 LC, noting that he could not hear the typical rpm change when the a/c was switched on. Upon investigation yesterday afternoon we determined that his a/c clutch is not engaging. I pulled the connector on the back side of the compressor and did not see the expected 12V when the a/c was switched on, which started me worrying.

A couple more details: the lights all come on as if the a/c was working; the a/c does NOT engage w/ defrost either; at one point it looked like we got voltage to the connector, but it was low (~3-4V.)

Any thoughts on where to look next??

Thanks--

Kix
 
Start by checking the state of the refrigerant charge. If it is low the compressor will not kick in.
 

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