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I've built some stand-alone harness's using the stock Computer but i'm having problems with the fans turning on when they are supposed to be off...I've tried the Hi & Low outputs to the relays but fan's will turn on when they want to or turn on as soon as motor is "ON"....
I've checked DTC's, no codes at all...
Did you ever find a fix for this? I know the guys over at HPT have fixed it in their OS, so Im wondering if EFi has done the same!?
We have not looked any further, development on this PCM has pretty much stopped.
Ok so does that mean im pretty much screwed ? I have a 01 silverado, is there another PCM i can try to use that will actually function properly with EFans?
Im pretty sure no 01 fullsize trucks used the P11 PCM...there are a few ways the LS1 PCM can be setup though to fix this.Quote:
Originally Posted by 01Blackerado