Question about 1999 Ford F150 Regular Cab

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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?

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Did you check the fuel inertia switch ?

From the owners manual pg 155 :
Engine compartment :
Fuse # 10 - Fuel Pump
Fuse # 18 - Fuel injectors

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 ) :
1999 Ford f150 V8 4.6    Fuel pump does not run - a3fcf2f.jpg

Posted on Oct 16, 2010

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

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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.
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