It's not a fuse. It is a flasher relay that operates either the signal lights or the emergency 4 way lights.
The 1986 Ford F1 50 pickup truck fuel pump fuse will be the number six fuse. The number six fuse will be in the first column, fourth from the bottom.
See the link below and click on Owner Guides.The Owner Guide ( which includes the fuse diagram ) can be viewed online.
The1999 Ford F1 50 pickup truck 5.4 liter engine alternator field fuse can be found in the fuse box. The alternator field fuse will be in the second column, second from the top.
fuse boxs ford f150
Fuse diagram on 1986 ford F150
have not seen any information yet of the F150 fuse box
check fuse box on drivers side. all i had to do was put an new fuse in and mine began working again.
I replace alot of ignition switches in these things. And clock springs.
fuse number and location for 2003 f150 pick up truck
What fuse starts the truck
I am having the same problem with my 2007 Ford f 150 if you find the answer to your question I would like to know as well
The power lock fuse for a Ford F150 is number 19. This fuse is located in the central junction fuse box.