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Re: 09 IH 4200 VT365
Posted to HD/Fleet Forum on 11/4/2010

Sounds like a shorted ground wire to the ignition module relay. This would keep it energized even though the fuse is blown. I would put a headlamp rated to pull between 3 to 5 amps in place of the fuse so you can see the short. This will limit current and give... Login to read more.