If all the dash lights are out then there is two causes for this. The first is all the fuses have blown the other is the relay for the dashboard lights has went out.
do you have 2000 mazda 626 dash board?
You don't.
Yes, your tail lights will go out when your dash board lights go out.
Need to know what about the dash board lights.
replacing dash board lights
Where is the Dash board lights fuse of ford mondeo 2002 lx
There are several things that can cause your 2000 Cadillac dashboard lights to quit working. The most common cause is a blown fuse.
check your fuse
check your wiring for your lights under the dash or a bad ground
Library
Just guessing without having it in front of me but, I would suspect the roller dimmer switch on the dash. I know that if it is unplugged, all dash lights go off. So check the plug-in for a short.
what do all the dash board warning lights mean on a1989 mercedes benz