Wired AWG2 welding cable from starter relay to starter. Wired AWG4 welding cable from all 3 battery negative posts to 3 seperate engine grounds. Wired AWG4 welding cable from all 3 battery positive posts to respective battery relays. Wired AWG10 from alternator #2 to current limiter. Wired AGW10 from #2 current limiter to bus.