this isnt a event but i need help with my 03 mustang

[rosebud]

can someone please help me.. see i have a problem with my 03 stang i put it up like two years ago so i can make it show quality but recently i went to do some more mods and now my brake light wont work and my turning signals don't work either but it worked when i put her up i changed all bulbs and fuses still nothing can some one pls help me pls

 

[Chief Gilly]

Do your turn signals work up front? Is it only rear lights that will not work? When you put on turn signals, left right whatever, do you hear the flasher working? What happens if you put the hazards on? You didn't mention, does the car start and run right now?