Question about 1991 Ford F150

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Wiring diagram for a fuel pump ford f150 1991

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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sscullys
  • 984 Answers

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

Posted on Jan 03, 2010

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  • 1 Answer

SOURCE: wiring diagram

i need the color codes wires

Posted on Sep 12, 2008

  • 1 Answer

SOURCE: no power to fuel pump or fuel pump wiring harness...

try the electrical ignition switch on the steering wheel colum

Posted on Aug 25, 2009

  • 1596 Answers

SOURCE: I need to know the

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Posted on Jan 04, 2010

emissionwiz
  • 76164 Answers

SOURCE: spark plug wire diagram for 91 ford f150 302

here is a diagram, if u can't see it go to the link below.
http://autorepair.about.com/library/firing_orders/bl-fo-9225.htm


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Posted on Mar 12, 2010

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