RV Repair: ford e450 wiring, side kick panel, ford e450

Question
Back right signal and brake light do not work.I have no power to the connector.  I need to trace wiring or go to area where power comes from the switch

Answer
Terry
Without knowing the yr I'm guessing but on those Fords they use dedicated fuses located under the hood. There is another fuse panel in the cab. Start with the one under the hood.
On the newer trucks they moved all the fuses to the passenger side kick panel.

Thom