4Fifteens
Member
So I have 2 optima yellow tops, 1 in the front and 1 in the back. I wanna do the big 3 but I have an old car with a 105amp alternator. Well I was wondering if I should use 0 gauge or 4 gauge wire. Some say I should use 4 gauge because I have kind of a low output alternator. Any help would be great