Iím going to run a 2/0 cable from my house batteries to the battery on our toad. Itís a double cable, so, obviously, 1 goes to hot, but do I run the other to the negative on the batteries or just to frame ground on both ends. Both ends will be fuse-protected. Thanks for any input.
1995 Dolphin 34' w/5.9 Cummins T/A 200hp & Allison 6 Speed