HELP!!!! something wrong in fuel system wiring - Ford Powerstroke Diesel Forum
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Old 10-10-2009, 11:10 PM
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Question HELP!!!! something wrong in fuel system wiring

Well as the title says im having an issue with my fuel system wiring. first of all is there any well known problems with any of components of it.

well Friday night it blew the maxi fuse, we assumed the pump was on its way out by shorting out. so i went and got a new fuel pump and fuse put it in and she ran like new til about six oclock saturday night. the fuse blew agian so i put another one in got going down the road and smelt and saw a small puff of smoke.to make sure the pump didnt go out i ran a wire from the battery to the pump and it kicks right on, but with a good fuse it dont. i figure a wire shorted but i dont know where. i dont know what im askin but any ideas even if its some kind of rewire would help or a schematic that shows all of the wiring components so i can start figuring out where my short is. thanks ahead of time.
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Old 10-10-2009, 11:40 PM
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oh ya forgot to mention when i ran the jumper wire to the pump she will start.
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Old 10-10-2009, 11:58 PM
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Well you already found the cause of your troubles, good detective skills BTW. I would just start at the pump and trace the wires back to the fuse panel looking for anyplace it could have rubbed. once you know which wires you are dealing with you could use a tester to see where you do and do not have juice. Sorry I don't have any good help, but here is a to keep it active till a techie rolls by.
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Old 10-11-2009, 07:01 AM
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anyone else i really want to get this fixed asap
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Old 10-11-2009, 02:57 PM
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if someone could post a pick of the wiring diagram for the fuel pump that would help me fix the truck thanks
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Old 10-12-2009, 03:53 PM
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well i got time to look at the wiring the pump wiresat the inertai switch are all melted so tommorrow i need to trace it back because there is no power there but there is at the fuse box under the hood.
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