I have the SMI Stay N Play Duo. Hook up, and just flip the system on / off on the sensor on the kick panel.
I simply let our dealer make the decision on the entire tow / brake system based on what they do most often on Cherokees. Wanted to leverage thier expertise, not make them install something they were not familiar with.............
2015 Tiffin Allegro 31SA; 24k chassis, Sumo springs
2015 Jeep Cherokee Trailhawk