The 1986 ford f150 has two fuel pumps. There is one pump mounted inside of each fuel tank.
Most likely in the fuel tank
passenger side kick panel.
Where is the location of the fuel pump relay in the 1997 Ford F150.
The electric fuel pump is inside the fuel tank
What is the fuel capacity on a Ford F150
find the schrader valve on the fuel rail depress the stem and it should release the pressure from the fuel system
Its in the fuel tank
where is the fuel pump rely on a 2005 f150 with a 5.4
1997 ford f150 fuel pressure specs
I believe it is in the right front pasenger footwell , by or behind the kick panel
There are images available online to help you see where the Fuel reset switch on a 1986 Ford F150 is.