This is partially correct. The Demco Stay-IN-Play Duo Supplemental Braking System w/ Wireless Coachlink Monitor - Proportional # DM86VR installs in your tow vehicle and not in the coach, however it's not compatible with air brakes. Instead of the Stay-IN-Play, you'll want to use the Demco SBS Air Force One system # DM26VR. It will work very similarly and provide proportional braking for your tow vehicle, in a permanently installed braking system.
The wireless CoachLink sends a signal to... view full answer...