On my 04 Horizon I only have the 4 large cables comeing off of the house batteries. One red goes through a 300 amp fuse to the inverter charger. one black also goes to the charger. the other black goes to the chassis/house ground. the red goes to the aux start solenoid and the batt disconect sw. then to the coach 12v system and Gen. Wire dia for Winneabago are avail. on there web site.
04 Horizon QD, 12 Ford Flex, Excalibar, Brake-Pro, ,, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat 74 MGB-GT, 75 MGB, 01 Z3
Life is a Timed Event, you only get One Go Around!