Tallights are not working

ARE YOU KINDA MECHANICAL?

ANY MODIFICATIONS TO THE WIRING?

ANY HISTORY LEADING UP TO THIS?

FOR SURE "TAIL LIGHTS" NOT YOUR "BRAKE LIGHTS" ( DO BOTH OF THEM WORK)

WHAT ABOUT YOUR SIDE MARKER LAMPS. DO THEY WORK?

WHAT WORKS--WHAT DON'T?

DO YOU HAVE A VOLTMETER OR A CHEAP 12 VOLT TEST LIGHT?

EXACTLY---IN DETAIL, WHAT HAVE YOU DONE?

YOUR TURN

THE MEDIC

STILL NO WORD FROM YOU?

ARE THE LIGHT "SOCKET" IN GOOD SHAPE. INSIDE AND OUT. NOT RUSTY. BURNT. BROKEN

I'M ON STANDBY HERE---WAITING FOR YOUR ANSWERS SO WE CAN BEGIN TESTING

THE MEDIC

A FEW OF MY PICS OF ELIMINATING THE KEY SWITCH