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Compressor Clutch Relay: Testing and Inspection

A/C Compressor Clutch Relay:

A/C Compressor Clutch Relay Test:

1. Check for continuity between terminals #2 and #4.
a. Continuity should exist.
b. If there is no continuity, replace relay.
2. Connect a 12 volt battery across terminals #2 and #4, there should now be continuity between terminals #1 and #3.
a. If there is continuity relay is okay.
b. If there is no continuity, replace relay.