Jeep CHEROKEE 2017 Owner's Manual page 117

A third fused 12 Volt power outlet is located on the left
quarter trim panel in the cargo area. This power outlet has
power available when the ignition switch is in the ON or
ACC position.
Rear Power Outlet
GETTING TO KNOW YOUR VEHICLE 115
NOTE: The rear cargo power outlet can be changed to
"battery" powered all the time by switching the power
outlet Power Distribution Center panel fuse from fuse
location F91 to F81.
Power Outlet Fuse Locations
3