The PTAC Wire Harness kit provides connection from the 14-pin or 18-pin terminal strip on the PTAC control board to the following board features: Door Switch, Motion Sensor, Emergency Hydronic Heat, Load Shedding, Front Desk Control, Transfer Fan, and Remote Thermostat. The kit includes a 14-pin and an 18-pin female housing with 18 jumper wires and wire nuts.