RV Repair: electrical, fifth wheel, tail lights

Question
I have a 1998, 28' Nomad trailer. The marker and tail lights don't work. Where is the fuse for the lights? I have power to my truck.

Answer
Is this a fifth wheel or pull trailer, Follow the plug and see whee it leads somethimes the had fuses in the nose of the trailer. Remember and rv the green is the tail lights and the brown is the turn

Send model and make can prob find more info if this  doesnt fix it

thanks