The ChromaHead connection cable is all that is needed to connect the ChromaHead to the KCM or ChromaPad. Just plug one end into the ChromaHead and the other end into the matching port on the KCM or ChromaPad.
While printing, there might be shutdown issue about cp_Head. To avoid any shutdown issues, insert 3x10 mm screws into the holes at the end of the cable connected to the ChromaHead and tighten them to the metal plate