Jeep Wrangler2018 Owner's Manual page 169

On vehicles equipped with a rear subwoofer, there is a
second power outlet located in the rear cargo area and is
powered directly from the vehicle battery.
Rear Cargo Power Outlet
GETTING TO KNOW YOUR VEHICLE 167
Power Outlets Fuse Locations
1 — F81 Fuse 20A Yellow Rear Power Outlet (battery powered at all
times)
2 — F91 Fuse 20A Yellow Rear Power Outlet (powered when the
ignition switch is in the ON or ACC position)
3