fuel pump problems
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fuel pump problems
hi, i have been checking this site out for a couple days nowlooking for solutions and finaly joined. i have an 86 f150 with a 302, mpfi, and dual tanks. after getting it home i realized that the fuel pumps on the rail, high pressure, and the front tank are hard wired to the fuse block. i have been reading alot about this somewhat typical seeming problem and have narrowed it down to afew things but not sure where to start diagnosing. for starters i an hear the fuel pump relay opening and closing so i know that has power. if anyone knows where i should start diagnosing the problem after this i would greatly appreciciate it. i believe it has something to do with either the tank selector switch because when i switch it to the rear the front still works but it is also hard wired so its hard to say.
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Joined: Apr 2012
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the truck does run, the fuel pumps are hard wired to key power in the fuse block. i would like to get them working under the trucks original power source because right now if i want to listen to the radio i have to have the truck running. plus the fuel pump is getting full power so it is slowly burning it out.
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