I've been trying to help a guy out with his climate control and have done a bunch of troubleshooting and still having issues. The system is charged and holding pressure and the pressure switch is made up showing charge. I do not have 12v at pin 7 on the pushbutton unit to supply power to the pressure switch. I've tried another pushbutton unit and it did not make any difference. In addition when I put 12 volts on the line from pin 7 the klima is not pulling in. I've tried another Klima relay and it did not make any difference. Any thoughts/comments are appreciated.

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Jim