Thread: FANS (and AC)
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Old 09-07-2020, 07:09 AM   #3
kglowacky
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Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 597
Re: FANS (and AC)

either way c2 needs to come on when you turn on the ac. on new cars the minute you turn on the ac the c2 fan comes on. There are people on this forum that know a lot more then me on how to connect these . Many add a third relay but since you don't have a ecm 2 ground trigger I would think at the least control your c2 by the ac compressor.
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