Brakelite switch is probably stuck
Those tail lights could be the brake lights you are seeing and that would be a faulty brake light switch or the brake light switch is out of adjustment.
you have a bulb out. go buy a new one and they will start working
Yes, your tail lights will go out when your dash board lights go out.
on ground or no power,check fuses.
The first check would be the fuse for the dash lights. If the dash lights are out too then it is likely to be the fuse.
Check your tail lights they are probably out also. Most domestic cars power the dash lights off of the tail light circuit so you will know when the tail light fuse blows. Check the tail light fuse.
a fuse
go to a mechanic
The most common problem is a bad fuse.
Check the ground wire. You have a bad connection somewhere.
Most probably the light switch assembly on the steering column needs replaced.
Check the park lamp fuse.