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Re: GM LS crate engine wiring
Posted to Technical Discussion Forum on 1/20/2021

From what I am reading, this is an LS swap type of deal. It seems someone wired in separate fan circuitry, why, I really don't know. Rewiring the fans properly is the correct fix, but that may involve the diode fix anyway. I did not advocate a hack repair. OEM... Login to read more.