You should be able to hear fuel pump relay click when key is turned on if not check yellow wire going to fuel pump relay it should be hot at all times this is a fuseable link wire so if.
1987 ford f150 fuel pump relay location.
You ll be able to find out if the fuel pump relay or the fuel pump inertia switch or the fuel pump is the cause of the no start condition on your ford car or pickup.
However it s best to check with your vehicle s repair manual fo.
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The fuel pump relay a small electric unit which automatically opens and closes the fuel pump valve controls the fuel intake of a ford pickup.
Hello i have a 1987 ford f150 4 9l and i have to get the wire diagram view for the fuel system and the dash wire the trouble i m have is the fuel pump are not working when you true on the key i can jump the relay and they work.
In this test step we re gonna jumper two wires numbers 3 and 4 together to manually get the fuel pump to activate.
With the help of this how to tutorial i ll show you how to do it using only a multimeter.
Jumpering the fuel pump circuit ok so far you have confirmed that the fuel pump relay on your ford car or pickup is getting power on wires labeled with the numbers 2 and 4.
Post by old ford lover mon sep 07.
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Although it s not absolutely necessary you should connect a fuel pressure gauge to the.
Testing the ford fuel pump relay on the car is not that hard to do.
The site for ford truck owners by ford truck owners.
1987 fuel pump relay.
Location the fuel pump relay of a ford pickup also known as the fuel shut off switch is located in the passenger foot well behind the behind the kick panel and inside the fuse panel.