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Re: LS swap coolant temps
Quote:
Originally Posted by MDPotter
Have you not had the check engine light come on? I have the same diagram for the fans and trinary switch, but with a diode and a resistor on the blue wire out of the trinary switch so the PCM doesn't see an uncommanded ground and turn on the check engine light.
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Hey MDP, I never got around to putting the diode in mine and I have never had a CEL 6 years. So the second truck I did the same and no light yet.
My swaps were genIV e38 ecm’s.
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1956 Chevy Bel Air 2 door
1956 Chevy 210 4 Door
1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD
1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E
1968 K10 LWB Dark green my son calls it "THE HULK Jr" HULK JR *SOLD*
GO  GO!!!
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