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Old 04-20-2019, 07:01 PM   #23
87chevy.com
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Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,274
Re: AC Request

Is this a 2002 and lower pcm? If yes, 12v to the ecu is will then the compressor on IF the pressure high pressure switch is installed.. or of the signal wire is grounded.

If it's the 03 and newer think that's can bus and for some reason the aftermarket is being lame on solutions.
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
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit

New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD

A poor man buy's it twice

finally got my domain name back, 87chevy.com.... site rework in progress
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