JEEP JKU Dual Battery System and 12v Outlets DIY DETAILED INSTALL

Our DIY JEEP JKU Dual Battery tray and 12v Outlets with wire routing details and modifications for a clean look and easy maintenance.
A note about the Combiner - when the contacts close (at 13.0v approximately), the combiner is connected and charge flows between the batteries.
Key parts in the install:
Rugged Ridge Dual Battery Tray for 12'-18' Jeep JK/JKUs
Yandina Combiner 200 www.yandina.co...
Dual 12v Outlet www.amazon.com...
Single 12v Outlet www.amazon.com...
Optima Yellowtop H6 Size
10 Gauge Dual Strand Wire
Battery Cable Terminals with Nuts
Blue Sea Mini DC Voltmeter
Dometic CFX40