The fuse for your F-150 fuel pump is number 10. It is a 20 AMP fuse and is located in the interior fuse box. You can find a detailed fuse diagram at https://automobilediagram.com/ford-f-150-fuse-box-diagram We hope this information is helpful!
SOURCE: truck stalls
What are the trouble codes? Recently had 0171 and 0174 codes. Engine coughed (or sneezed) upon a start one morning producing this problem resulting in very rough idle and stalling within 2 min of idling. Problem was vacuum hose blown off fuel regulator which is near impossible to reach without removing intake maniforld since the regulator is located between engine and firewall on 5.4l.
Jim
SOURCE: 1988 ford f150 fuel pump relay location
inner driver side fender well along with the eec relay
SOURCE: 1988 ford truck f-150 xlt lariat cant get current to fuel pump
Have you checked the 'inertia switch' which in the event of an accident shuts off the fuel supply to prevent a fire . It's usually located in the cab on pass. side. Some models have one reset button, some 2 which have to be pressed at the same time. If that's not it, here's how the power to the pump SHOULD work, you will have to follow the path to see where it stops. When you turn the key on it turns on the EEC power relay on, this relay then provides power to the PCM (power control module) and the control side of the fuel pump relay. Power for the fuel pump is supplied through a fuse link or high current fuse attached to the starter solenoid (battery side). From the fuse link or high current fuse current flows thru the fuel pump relay and inertia switch to the fuel pump. The fuel pump relay is controlled by the PCM. When the ignition switch is turned on the fuel pump will operate, if the switch is NOT turned to start position, the PCM will shut off the fuel pump off after 1 second. This is to avoid flooding the engine when it is not running, just key on. So check out to see if you have a fuse link or a high current fuse and if they are blown.
SOURCE: how do I replace the fuel filter for my ford f 150
http://www.ford-trucks.com/forums/467008-how-to-replace-your-fuel-filter-on-a-2004-and-newer-f150.html click this link directly. and get all the information with pictures and information/procedure.
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