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
2015 Jeep Cherokee Trailhawk