melted fuse block 08 500 renegade

went wheeling where I shouldn’t have[bunch of deep mud holes,water etc]. went through a lot of water and lost my headlights. fuse for light would pop everytime I replaced it. Well it was midnight and we were a long way from anywhere so I put some foil on the fuse to have headlights on the way back and this morning noticed the fuse block had melted where the lights fuse goes. any ideas how to bypass this or where to get replacement fuse box?