Homemade switch/fuse box for a jon boat - TinBoats I mounted it on one of the back corner braces of my jon boat, right next to my depth finder. I ran my wires for the front light, interior lights, and livewell inside 1/2" CPVC that is tucked behind the rib on the side of the boat from the back corner of the boat, all the way to Amazon: fuse box for boat Amazon: fuse box for boat. Skip to main content. Fuse Box Holder,Blade Fuse Box Holder with LED Warning Light Kit for Car Boat Marine Trike,Free Fuses for Fuse Block for Automotive(10 Way, Screw Type) by YOUNG MARINE. $20 $ 20. 99. Get it as soon as Tomorrow, Mar 19.