First remove the wiper and headlight switch knobs. They will pull off with force, then you will under stand how they go back on. Remove cover under dash to view fuses. Take two screw out that hold the fuse panel. The dash cover around the wiper and headlight switch actually pops off when pryed on. Once this cover is off remove the nut around the headlight switch and it will pull out, but you need to get the fuse panel out of the way. The switch it self has a pull out bar that can also be taken out by depressing the button brad on the switch itself.
multifunction switch in the steering column
you just replace it
how to relace a door jamb switch in a 1994 f150
Check out the enclosed instruction book.
Rotate the headlight switch knob left or right with headlights turned on.
There should be a silver button on the side of the switch (behind dash) Depress this button while pulling on stem and entire stem should pull out of switch Unscrew bezel and switch should drop out from behind dash Ford suggests replacing plug also at this time
its the little round dial next to the headlight switch turn the dial all the way up
after electrcally disconnecting the switch there should be a small button on the bottom of the switch body that will release the switch shaft. then just pull it out and do the inverse to put the new one in.
The headlight adjustment for the 1989 F150 2WD is below the actual headlight. You will need to pull the tab at the top of the headlight up to release the headlight and then you can adjust the angle of the light with the long bolt below the housing.
Check owner's manual. If you don't have one copy and paste link below; www.fleet.ford.com/maintenance/owners_manuals