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Old 05-26-2023, 06:42 PM   #6
87chevy.com
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Re: a/c dryer [pressure switch

I have stock 87 aftermarket drier and factory 87 switch. no problems as its designed to open circuit when the pressure gets too low.
trouble shoot.... power goes into low pressure switch, power goes out to compressor... you have added another switch... is it the right switch, try removing it and just jumping those pins to eliminate it and report back
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
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