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Hello, is the mechanical fuel pump pulling fuel up to the carb?
Ok so are you getting fuel flow to the carb if you jump either pump?
Either that or depending on the fuel system you may have a distribution bowl from the pumps its a black cannsiter on the frame rail from the fuel tanks, the bottom of it is a round bowl that spins off with a filter in it. the filter gets clogged and can be removed.
Ok check fuel supply could be an issue with the fuel pump relay for the electric fuel pumps or restriction in the system
Gimmie lil time to research it, being an older vehicle some of the information is hard to find. If not in the main fuse panel under the hood, it may be near the eec power and fuel pump relay on the fender well
Says its in the engine bay onthe left side firewall area. Let me see if i can find a picture of the location
Most of the online stuff isnt great. Let me get to work in the morning and see if I can dig up an old wiring diagram book at the dealer, but sound slike its near the eec power and fuel pump relay on the drivers side under the hood.
Very good, ill get back to you as soon as possible im on arizona time here
Im not having any luck here with an old wiring manual at the dealer. i go back that far, but most of the books are gone. No truck manuals and the online versions are poor.Your local ford dealer may have a manual to help identify the circuit and componet all ford online manuals drop off after1990
Ok very good, All I can give you is the location of the cut off relay like I did.