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Rear Fuel Tank Problem

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Old Jul 21, 2003 | 09:46 AM
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RJ Shuga's Avatar
RJ Shuga
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Rear Fuel Tank Problem

Hi all. I'm new to this site so please excuse me if I don't get everything right on this first post. I've got a 1992 F 250SC with the 460 EFI. When I switch to the rear tank, the gas guage works and I have power going to a yellow wire that is going to the top of the rear tank. In this same 4 wire wire harness there is a heavier guage orange wire that has no power going to it. A friend told me the truck has a fuel switching valve somewhere between the two tanks on the frame. Well I sure can't find it. I've not only traced the fuel lines but also the wire harness. Any help with this would be greatly appreciated. Thanks RJ
 
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Old May 13, 2007 | 08:35 AM
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USMC Diesel
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From: Depends on Deployment
The fuel valve is under the cab on the drivers’ side frame rail the wire going in to the fuel tank is for the fuel pump in the tank
 
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