Ok heres the story 1994 ford f250 7.5 4x4 dual tanks I used both front and rear tanks regualrly than one day front tank stoped working fuel pump doesnt turn on when key is in the on postion now you can hear the rear turn on when switched to rear tank took off pigtail connector to front tank no power at all to tank took off swith in dash no power there either good relay and fuse funny thing is with swith turned to front fuel guage reads correctly switch to rear reads correctly Im stumped because oveiously Im getting power to the switch but checked wires at switch and cant get any power or at front tank but power to rear.
your not going 2 believe this 1992 ford f250 4x4 iv grown up playing in junk yards thought i new it all till now no power to the front or rear fuel tank every this is working right on the dash but cant hear eather pump pressure up checked relays well checked every thing even the safety switch on the right side passenger side it was the daRn ignition switch box on the steering column hope this will help some one DAve
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