For the house should be on all, 1 and 2.
Turning the Engine ON always all.
Take any of the battery power led of turn your selectors switch to one and try to turn the Engine. If nothing happens that’s the #1 battery. If turn the other battery is #1.
If they respect you, respect them. If they disrespect you, still respect them. Do not allow the action of others to decrease your good manner, because you represent yourself not others.
-2001 Maxum 2100 SR2 Sport -1997 Regal 258 Commodore (Sold)