My 2000 has an intermittent problem with the rear fan quitting.
I found the plug on the fan to be loosing contact.
Check fuses
check fuses
check fuses
check your bulbs and fuses check your bulbs and fuses
check the fuses for the head lights check the fuses for the head lights
Check bulbs Check fuses Check switch
check your fuses first
Check fuses
Next check the turn signal switch inside the steering column. check to see if the bulb is dead
Check the bulbs - they are doubloe filamented with the smaller being for brake/turn signals Check the fuses
Check fuses
Check the fuses, if the fuse is blown you may have a short in the running light circuit.