1998 Ford F150 Regular Cab Logo
William Bradfield Posted on Sep 02, 2016
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My 1998 ford f150 xlt 4x4 V8, engine turns over but will not start, I think the fuel pump fuse is bad,or the reset switch malfunctioned . Any suggestions

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Jeff Armer

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  • Ford Master 15,575 Answers
  • Posted on Sep 02, 2016
Jeff Armer
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What makes you think fuel pump fuse is bad or the reset switch ? ( inertia fuel cut off switch ) Did you test for B+ volt or are you guessing ? Buy yourself DVOM - digital volt ohm meter an test the fuel pump electrical circuit ! Besides fuel there is also an ignition system , is there spark ? There are some good videos on youtube on trouble shooting these systems , also on how to read a wiring diagram ! An you can view wiring diagrams for free at http://bbbind.com/free_tsb.html also check out video on basic electrical systems testing ! Remember, test don't guess !!!!!

5 Related Answers

ourhowse

Dar

  • 2007 Answers
  • Posted on May 20, 2009

SOURCE: I don't here the fuel pump ever kick on in my 1990 Ford F150, and I tested all of the fuses and they are good. I was thinking the relay for the fuel pump might be bad -- any suggestions?

It's under your hood, in one of those boxes, and should be marked. Your pump won't cut in if it's fried either. Check to see if there is power at the pump. Maybe you just have a loose wire. You can always hope!

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daveleeyates

  • 65 Answers
  • Posted on Mar 24, 2009

SOURCE: Ford Escort 1998 fuel pump not working.

good old ford lol, try looking at the crank sensor its located at the front of the engine tucked in right hand side of exhaust manifold and gearbox, two pin plug, i have also known these to have no end of faults with the fusebox.
easy to remove, and solder the connections inside they all suffer eventually, if your not to handy with cars i recommend taking to a auto electrician, easy if you know how. Good luck Davelee

Anonymous

  • 13 Answers
  • Posted on Sep 26, 2009

SOURCE: where is the fuel pump reset switch in a 1997 ford

fuel pump shut off switch and reset is located on the right hand side floor board underneath the floor carpet, just pull carpet back.

Anonymous

  • 29 Answers
  • Posted on Sep 28, 2009

SOURCE: 2005 Ford F150, 5.4L V8, 4x4; The transfer case

Encoder motor located on the transfer case is usually the problem. It is the motor that shifts the transfer case.

Testimonial: "Will look into this and report .Thanks so much"

Anonymous

  • 984 Answers
  • Posted on Jan 03, 2010

SOURCE: 1997 Ford F150 Electric Fuel Pump will npt pump

Did you check the fuel inertia switch in the passenger side kick panel ?

The fuel pump is powered :
the fuse to the fuel pump relay.
The fuel pump relay to the fuel inertia switch
The fuel inertia switch to the fuel pump itself.

At the fuel inertia switch in the kick panel, power from the relay is the Dark Green w/ Yellow stripe wire and the pink w/ black stripe wire is the power. from the fuel inertia switch to the fuel pump.

If you jumper the fuel pump relay, you should hear it run. If not pull the fuel pump relay, and check the pins in the relay socket, pin 30 should be the power from the fuse.

50b0c31.jpg

If you have power at pin #30, jumper the relay socket as shown with the red line above, and check the dark green w/ yellow stripe wire at the fuel inertia switch for power.
Press the button on the top of the fuel inertia switch, and check for power leaving the fuel inertia switch on the pink w/ black stripe wire.

This is tests good, check for power at the fuel pump, same pink w/ black stripe wire.
Fuel inertia switch info is in the owners manual, If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

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