So between my sound system, my headlights, and my winch, my electrical system is ... well... stock. And I am of a firm belief that "stock" can be problematic. I can't hold the winch button down for more than 3 seconds without bouncing the needle on my battery gauge. What does it take to upgrade all of the wiring for a TJ, and how much will it cost me to do so? I've bounced around the idea of upgrading the wiring and running dual batteries to pave the way for smooth operation of my winch, and the addition of off-road lights and on-board air in the future.