A/C bizarreness
1993 Mazda Miata: Cannot get the compressor clutch to engage. It does work when I jumper 12v to the clutch. Weird part is I am experiencing negative voltage at the terminal the clutch attaches to. I ran the system for a bit with 12v jumpered enough to check my pressures. all were nominal, but then the system overpressured and vented off some refrigerant. Having trouble chasing down where to look to figure out why I have -.8 volts on the activator wire. :shock:

Harold Blount: 1993 Miata; 1989 Mitsubishi Minicab
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