Why did my turning signals,hazards,and back brake lights stop working.

Check the fusebox for any broken fuses

If its not the fuses , could be a short in the wiring for the Tail,Park, & Panel lites..

fuses r all good and have power to the ones that need it

the 4 ways don't work nothing works if u tern them on

Did you ever find out for sure what the problem was and how to fix it? I am having the same problem on my 2005.

My mecury grand Marquis just did this it's a 1996 I ran a wire to the hot side of my brake switch plug and to a hot fuse then all my light's worked again