2021 F53 chassis fuel pump relay/fuse locations
2021 F53 chassis fuel pump relay/fuse locations
Does anyone know there the fuel pump relay or any associated fuses are on the new 7.3L F53 chassis? I’m embarrassed to say I nicked a wire with a drill and now the RV will crank but won’t start. I’m hoping I just shorted out a fuse, so I want to check the fuel related relays and fuses. The owner’s manual doesn’t show any specifically for fuel that I could see. The wire was a light blue one in the wire bundle that runs along the passenger side frame rail.
I fixed broken wires and it’s still doing the same thing. Hooked it up to a scanner and got a fuel pump open circuit code. Still can’t find the fuse or relay.
I fixed broken wires and it’s still doing the same thing. Hooked it up to a scanner and got a fuel pump open circuit code. Still can’t find the fuse or relay.
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Snakebuilt
1987 - 1996 F150 & Larger F-Series Trucks
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May 20, 2018 10:03 PM



