Hi,
At the compressor, you should have a black wire (which is ground) and a black wire with a yellow tracer (which is power).
If you disconnect the connector from the compressor, with the engine running and the AC turned on, do you get power to the black/yellow wire? That wire comes from the compressor relay and should power the clutch coil, so it engages.
Check that and let me know what you find. As far as the wires, if you have continuity to ground via the black/yellow, pull the compressor relay and recheck. If it still shows ground, the wire must be pinched or broken and is shorted to ground.
Here is a link you may find helpful:
https://www.2carpros.com/articles/how-to-check-wiring
Also, I attached the wiring schematic below of the A/C system for your reference.
Let me know what you find
Take care,
Joe
See pics below.
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Friday, June 17th, 2022 AT 8:03 PM