What's fourth lug on diode battery isolator for.
Curious what 4th lug is for on isolator diagrams are sparse...but one shows to ignition?
Just did partial swap to Bluesea ML -ACR , need a short cable and switch install in dash.
95 Monaco Crown Royale
M11 400hp, 4060 trans.
Aquahot, Generac Guardian7.5k