Inline fuel pump 1988 ford f-150 4x4 4.9l

Asked by Guru5GP49 Feb 15, 2018 at 02:41 PM about the 1988 Ford F-150 S Standard Cab 4WD LB

Question type: Maintenance & Repair

Which way does the inline fuel pump work wire end
towards front or back

4 Answers
35,335

lrodri911 answered 6 years ago

There should be a label in and out. In or inlet should go to the tank side and out or output to engine.

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35,335

lrodri911 answered 6 years ago

Then just test it by connecting a hose on each end of the pump and submerging hoses in a container with fuel and see which side sucks the fuel, that side goes to the tank

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GuruVFBV5 answered 6 years ago

I have a '91 F-250 and my external pump is by Bosch, frame mounted under the drivers side and the WIRED END is the OUTFLOW.

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Your Answer:

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