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Old 10-15-2023, 10:35 AM   #1
87chevy.com
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Re: PCM going bad MAYBE

not sure why you would want to change the fan wiring that was working correctly before to a separate system? i would use the scanner and do a component activation of the fans along with checking the relays.
clint
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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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