what would the cause be if i have no power to my electric fuel pump in the tank

Asked by Apr 29, 2015 at 02:31 PM about the 1996 Ford F-150

Question type: Maintenance & Repair

no power to the electric fuel pump in my 1996 ford f150 4 wheeldrive extended

2 Answers

8,420

With no description of how you arrived at this point, you can verify the inertia switch and fuel pump relay. If you show 12v at the pump connector, thump the tank. If you have a tank ground.... If these things arent helping start with an electrical schematic, identify and inspect all the parts that are in play in your system. inspect the connectors. Read the system codes. check your filter maintenance for when it does run. Figure out a diagnostic plan and define the cause exactly why no pump/ when/ etc. Then trace back to where you lose power or ground, whether its being sent. power from a relay? or command to enable that relay ? you can also substitute known similar pars from unused circuits during testing. When you have that info you can come update the question, perhaps, if you still need to.

8,420

(similar parts) that is, like a relay that is the same from another system. The fuses in the power distribution box and the fuse panel are sources, and the fuse link wires at the starter relay are sources for power distribution. Some have a power cable from the pos battery cable to the distribution box.

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