1994 Yamaha TDM 850 "dont tail lights work 1995" Questions

tail lights (no stop light) stops lighting same with the front small light, i check fuses under seat but ok! is there anywhere else fuses and i dont know?? or is this a cable that doesnt feet well and

...TAIL RUNNINIG LIGHT WORKS THE BLINKERS WORK.THE BACK YELLOW LIGHTS DON"COME ON LIKE THE FRONT BUT I DONT KNOW IF THERE SUPPOSE TO. you have a corroded ground in the back light bar..remove the rear ...