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Re: Glock's new project: "Fred" w/ 5.3L LS swap info
I did not connect mine to the PCM at all. I simply ran the OEM wire to the compressor. The green wire from the truck's harness to the green wire on the compressor, and the black to a ground. You can tell when the clutch engages, but it doesn't drag the idle down enough to really make a difference, ever when it's in gear. I was wondering how to to tie it in to the PCM myself, but after driving it at lunch with the AC on and hitting some lights, I'm not going to worry about it at this point.
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