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paul muller

paul ... 4/11/2019

1994 Chevrolet Beretta Z26 6 Cyl 3.10L

Engine

a/c wireing pressure switch

compressor not comming on, plug has ground no power, at the 3 pin pressure switch on the high side one pin has power one has ground what is the other pin for

1 Answer


Jimm

Jimm 12/27/2019

Black wire = sensor ground
Red / black wire = a/c refrigerant sensor signal
Gray wire = 5 volt reference

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