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Somewhere here on SS I found engineering drawings of the harness and internal wiring diagram so I can determine the model of Delphi plug to source the correct low pressure switch..I have a week. Thankfully once that part is found, I can cross ref at Rockauto.

Yes MKC, the single plug green wire is the comp clutch. The whitebtwo pin plug w black wires is the low pressure cutout switch. The red two pin plug with purple wires is the high pressure fan switch of which I don't know location. How this works? Low pressure prevents operation if...

Nice. Looks like there is a problem with the dryer switch type as it is a binary with three pins. This keeps compressor from running if charge is low or temperature to low. Which means there are two switches in the system. As we have no hose kit yet, I didn't know. The compressor has...

Thanks OD for the prompt clarification. Yes, green to clutch is std in auto AC market. But the plug with the yellow wire doesn't mate to the switch on the dryer. Then there is the other plug, also with two wires, which is unknown. Sorry, I'm a bit shelled from the heat as lunch was resampled...

What are the wire colors? Doing the install on MKCs 1078 and the receiver pressure switch don't mate with any of the harness plugs. The pressure switch has three pins and is round. So probably wrong drier. This was part of the compressor kit so it could be wrong.