i have a f350 dually with two battery under the hood from factory . i know this truck need two batt to start this big a## motor . my question is do i need a extra one to help run my system .. 2 HDC3 12 .. 2200 /4x90 amp
i also need so help to wire them up to run at 1ohm
i also need so help to wire them up to run at 1ohm
