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International Automotive Technicians Network
Re: P1378 and P0611
Posted to HD/Fleet Forum on 11/1/2013

I ended up tracing it to a blown 50amp fuse. I had to get a factory schematic to find it. The owner's manual called it a pcm fuse. It was one those square fuses with a clear cover. I couldn't tell it was blown until I pulled it out and tested it. Thanks for th... Login to read more.