You'll need to wire in a relay that utilizes the power off of something that turns off with the jeep, such as the cigarette lighter. When the car is on it closes the relay and connects the power to the battery then you wire it just like the diagram
"You didn't buy it to look at it!"
2000 TJ Solar yellow, 3.73, 178k, limited slip D44
2012 GMC sierra crew cab--Daily Driver
2008 jk X 6spd Red Rock---Sold and missed