No, the compressor does not kick in when I jumper the pressure switch. That would be too easy. The compressor, clutch and receiver/dryer are all new, as are the switches. I have positive 12 volts at the switch and positive 12 volts from the ccu at the Klima socket.
Does the Klima switch positive or negative? If I need to bypass the Klima, which pins do I jumper to get the compressor running.

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Stage Wizards Lighting and sound designer
1981 SD 328,000
1985 300TD, 266,000
1984 300 TD, 267,000