AIR WAS WORKING TURNED TRUCK OFF RESTARTED AIR WAS NOT WORKING.COMPRESSOR WILL NOT WORK .DIRECT WIRE FROM BATTERY TO COMPRESS COMPRESSOR CLUTCH CYCLES. CHANGED FUSES CHANGED A/C RELAY WHAT MIGHT I CHECK.ALSO WHEN DEFROSTER IS ON COMPRESSOR DOSE NOT CYCLE I NEED HELP
Optional Information:
1998 GMC SIERRA 5.7/350
Already Tried:
FUSES, RELAY REPLACMENT,DIRECTWIRING COMPRESSOR CLUTCH CYCELED
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