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Re: 1992 gmc 2500 blowing ecm fuses
Posted to Technical Discussion Forum on 3/4/2007

Thanks for all that replied.

I have found the problem with the blown fuse. I removed the pan and saw the wiring harness where the clamp holds the 3 wires together, was rubbing on one wire.

THis was found with the 4way connector disconnected while road test... Login to read more.