There is a lights control box under your steering wheel.
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Turn on headlights/parking lights and adjust dimmer control
where you turn on the headlights ... push the button
It is a module under the dash.
dash lights and tail lights cut out
No good answer check and see if someone has installed trailer lights harness on your car these can short your circuit out hope this helps
Mercury Grand Marquis for one and I am sure there are others that I am not familiar with
change the brake lights check the fuse check the brake light swtch
no lights only hige beams if i hold handle up
it is called lights control module box.It is under the sterling wheel.