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1991 Ford F-150 fuel pump

Tiny
JECOMBS
  • MEMBER
  • 1991 FORD F-150
  • 6 CYL
  • 2WD
  • MANUAL
  • 180,000 MILES
I cant get the fuel pump to come on for any one of the 2 tanks. The book tells me to replace the fuel pump relay I did. It also says to check the fuel pump fuse where is that and could it be the ECC relay. When I turn the key to run I can fell the ECC relay click? Why are the pumps not pumping?
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Friday, February 20th, 2009 AT 3:51 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The fuel pump relay get its power from the 20ga. Blue fuse link on the starter relay, also test the inertia switch and the fuel pump ground circuit.
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Friday, February 20th, 2009 AT 4:02 PM
Tiny
JECOMBS
  • MEMBER
  • 4 POSTS
Where is the starter relay? The inertia switch is not triped it did trip it and reset it once. How do you check the fuel pump ground circuit?
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Friday, February 20th, 2009 AT 4:22 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Starter relay -Follow the positive battery cable it'll lead you right into it, for the ground dunno the wire color could be black-you need an ohmmeter to check the wire to chassis ground, no continuity means its open
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Friday, February 20th, 2009 AT 4:43 PM
Tiny
JECOMBS
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  • 4 POSTS
Got it it was the EEC relay. The only ting is that you have to put a fuel pump relay in it because they dont sell an EEC relay
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Saturday, February 21st, 2009 AT 5:05 PM

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