just got this car for 800$$
trying to diagnos a/c system, I can engage the clutch by powering the compressor itself, and there is power to the low pressure cut-off switch.
truoble is the other wire coming off the switch is a dead short!!!!
it is also a dead short at the compressor, which I have dissconnected for now. my question is, is this a striaght thruogh wire from switch to compressor, or is it run thruogh the switch or some module or relay first?
when I turn the dash control knob, the light comes on and the wire powers up to the low pressure switch, so could I just bypass the wire, or is it more complicated than that?

I believe the the pressure switch goes to a relay and the relay powers the compressor clutch.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe