Quote Originally Posted by Gohan77 View Post
Big 3? Idk what that is. Also are cleaniing wires difficult?
Basically upgrading the weak ground and power wires GM uses up something beefier. I think stock is like 6 gauge so guys tend to you 0 or 2 gauge. Ill find you a thread about it here shortly.

Simple to clean. Just unhooking the wires and wire brushing the studs or bolts they connect and sanding the area around it.