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Re: engine won't communicate
Posted to HD/Fleet Forum on 7/1/2010 9 Replies

Tyson, have you checked the fuse in the battery box. Make sure all connections are good. Check the wires coming up by the starter thats where the ecm gets its power. Check the ecm power relay on the fire wall for power up. You should have power on 86, 30 (bat)... Login to read more.

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