Question about 1981 Ford F 150

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1981 ford f150 fuel pump relay - 1981 Ford F 150

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 491 Answers

SOURCE: 1988 ford f150 fuel pump relay location

inner driver side fender well along with the eec relay

Posted on Feb 02, 2009

yotaguy
  • 232 Answers

SOURCE: Location of the fuel pump relay switch 1985 Ford F150

Its under the hood drivers side on the upper firewall.

Posted on Apr 13, 2009

ourhowse
  • 2007 Answers

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!

Posted on May 20, 2009

sscullys
  • 984 Answers

SOURCE: fuel pump relay location 1999 ford F150

Engine Compartment fuse panel ( driver's side fender ) relay 301. Layout with numbers should be on the lid ( numbers only, not the functions ).

If you did not get an owners manual with your truck ( purchased used / lost ), you can download one from Ford in PDF format:
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

Makes it real quick to search for keywords.

Posted on Dec 08, 2009

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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1999 Ford f150 V8 4.6 Fuel pump does not run up. Where is the relay and or fuse? How do I check the pump?


Did you check the fuel inertia switch ?

From the owners manual pg 155 :
Engine compartment :
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pg 156
Fuel pump relay relay #302
You can swap the fuel pump relay with one of the trailer tow adapter relays to test with.

You can always jumper the normally open contacts in the relay socket ( shown as the red line below ) :
a3fcf2f.jpg

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Where is the fuel pump relay switch located on ' 91 ford f-150


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1 Answer

1991 F150 5.0L, The fuel pump relay clicking


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1 Answer

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

Jan 03, 2010 | 1997 Ford F150 Regular Cab

2 Answers

Will a alternator from an 1981 ford bronco fit my 1991 ford F150 ???


it would maybe fit but the alternator from an 1981 ford anything wouldnt provide enough amperage for the fuel injection system on the 1991 f150...

Jul 14, 2009 | 1991 Ford F150

1 Answer

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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