Understanding the Fuse Panel of an RV Distribution Panel 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 disconnected and you are wearing the proper safety goggles. RV Fuse Panel | eBay Find great deals on eBay for RV Fuse Panel in Interior. Shop with confidence. Find great deals on eBay for RV Fuse Panel in Interior. Shop with confidence. Waterproof Fuse/Relay Box Block Panel Car Truck UTV RV Boat 4X4 Marine w/ Relays. $44. Buy It Now. Free Shipping. 392 watching | 478 sold; Relays and Fuses. (3) 20 amp relays.