Understanding the Fuse Panel of an RV Distribution Panel If it is not lighting up, it is a bad fuse. Newer RV distribution panel models will have lights underneath the fuses and if the light is on, it is indicating the fuse has gone bad. When working with an RV distribution panel make sure that all power coming into the panel is Where Is The Fuse Box Located On My Travel Trailer? The fuses and electrical breakers for your trailer will be located in your trailer's electrical compartment. I cannot tell you the exact location of your trailer's electrical compartment, but it will be in one of the exterior storage compartments of your trailer.