First what is wrong with you headlight switch on your 93 topaz.
replace head light switch on 93 ford explorer
Its just a geuss. but on my 93 mercury topaz the head light switch alsoe controls the lights in side the care. If it's clicked all the way on that might be why.
The fuse box for a 93 topaz is located under the dash board on the drivers side just beneath the switch for the headlights (you have to look under the dashboard to find it)
under the brake pedal
brake light switch is broken or out of adjustment. brake light switch is located above brake pedal.
the ash lights come on when you turn your park/ head lights on are so you may have a faulty head light switch!
The 1993 Mercury Sable backup light relay switch can be found beneath the drivers side dashboard. The backup light relay switch will be above the accelerator pedal.
The head light switch is shorting out ,or a bad connection
take it to a dealer
The 1993 Jeep grand Cherokee brake light switch simply plugs in and out. The brake light switch is located beneath the dashboard on the drivers side of the engine compartment.
Make sure switch in trunk is in proper position
are you thinking about the dimmer switch or the actual illumination light? on the left side of the steering wheel you will find the dimmer switch, and the dash becomes illuminated from the first click of your headlight switch.