Can't find the Fuel Pump Relay on a 2003 Ford F-250 SD 5 Oct 27, 2017With a wiring diagram, you should be able to do some diagnostics to determine if, in fact, the relay is faulty, likely without removing the radio. In any event, if that is not done, once you do get to the relay it has to be tested prior to condemning it. V8-5.4L. F-250 Super Duty. Can't find the Fuel Pump Relay on a 2003 Ford F-250 SD 5.4L. 2003 ford f250 5.4 fuel pump relay location - Fixya Apr 11, 20132003 ford f250 5.4 fuel pump relay location where is the fuel pump relay on a 2003 f250 with a 5.4 located - Ford 2001 F250 Super Duty Super Cab question. Search Fixya Where is the fuel pump relay on a 2003 f250 with a 5.4 located Posted by scott childs on Apr 11, 2013.
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