1996 Chrysler Cirrus compressor wont come on

Air Conditioning problem
1996 Chrysler Cirrus 6 cyl Front Wheel Drive Automatic
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compressor wont come on
checked pressure switch
it has 3 wire system 1 may be for high and 1 for low
does anyone have info on wire color code for pressure switch so i can figure which wire to jumper
to force the circut into operation