Question about 1993 Ford Ranger SuperCab

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1993 ford ranger the truck will run on starting fuild so I know its not electrial the fuel pump will run with ahot wire hooked to it but to turn the key on it will not run ive checked the relay it is good

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Your wording confuses me with the starting fluid having anything to do with the electrics, but it sounds like you have a electrical problem some where in the wiring between your relay and the pump, start by checking for 12 volts at the pump connector and continuity from relay connector to pump connector tabs...this can be very time consuming...the problem could be your ignition switch itself, but not likely

Posted on Oct 03, 2010

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You have a break in the power wire running back to the fuel pump. You can trace it back and fix it or just run a new wire, making sure that you splice in before the break. Use "heat shrink tube" over your splices, it works a lot better than tape.
If you can't find an easy spot to splice in near the front of the truck, then find an open spot in your fuse box and plug in there.There should be a spot there, probably marked accessory that will have power to it when you turn the key on. Then throw an inline fuse in your wire and plug in. Hope this helps.

Posted on Oct 03, 2010

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1 Answer

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You need to check fuel pump relay. Usually located under hood and I believe pass side fender well. That's odd for pump to run all the time unless relay has stuck on or has been jumped to run. (By that I mean someone has wired in run position) the computer usually grounds relay to turn on fuel pump

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2 Answers

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2 Answers

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