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Old 08-06-2023, 01:44 PM   #53
dghii
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Join Date: Sep 2008
Location: Florida
Posts: 2,495
A few cheap things to try....
Take your old relay and check the coil connections for resistance....you want some! If relay coil is open, it was most likely bad. You can also connect the relay to a 12 volt source to see if it clicks and you have continuity across the relay contacts.
Need to make sure new relay is actually outputting a 12 volt signal when energized. Turn on AC and look for 12 volts at the relay contacts (meter between the contact and ground).

Need to check continuity from your CCU (relay output) to the compressor.
Also, compressor will not turn on if freon is low.
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