refer to repair manual available from any parts store haynes #36012 is a good one.
Disconnect the negative battery cable; then the positive battery cable; let the car sit for at least two minutes before resuming work.
Remove the front dash board trim. Remove the headlight knob withn a pointed screwdriver. Remove the two screws above the speedometer and guage cover. Remove the two screws that hold the dash on to the left of the steering wheel; do the same for the eight screws on the left hand side of the steering wheel. Start to the left and pop the dash board bezel from the dash. Remove the nuts and washers that hold the switch. Remove the two screws that hold the headlight switch bracket. Pull out the headlight switch and remove the three plug ins. Replace in reverse order.
the circuit breaker is built into the headlight switch.
You've got a bad headlight switch and need to replace it, that's the switch you pull in the dash to turn the lights on. That's why the headlights only work on bright but not dim.
Bad switch? Headlight Relay Fuse/Breaker needs replacement
There isn't one. There is a self-reseting breaker built into the headlamp switch.
could be the the headlight switch, dimmer switch, headlight relay, or a problem with the wiring
Possible headlight switch.
Neutral safety switch is on the left side of the transmission. Should onlt take 30 minutes to replace.
What year ? 1993
With the hood open, remove the plastic cover the exposes the inside of the headlight. There are 3 clips to remove from the inside, plus the wire harness. The headlight just comes out from the out side then. You might have to replace some of the clips, only found at Ford, and about 7 bucks ea.
It would be difficult to repair the switch. If you are positive the switch is bad, then just replace it. As this can be a very expensive part if purchased from the dealer, I suggest you visit your local salvage yard and purchase one there. Just make sure you get one out of a car that has not been under water, or one that has the windshield busted or missing.
Bring to a shop that does state safety inspections
Replace the ignition switch, or try the correct key.