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PCM Blue 42 (green wire) is low speed trigger
PCM Red 33 (blue wire) is high speed trigger
So use them to trigger a standard 30amp relay. But remember factory PCM stuff is ground signals not hot signal.
I have had good luck with derale stuff, but honestly, if you can make OEM fans fit, they are by far the best.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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