The Lennox 27M25 Motor Harness 5 Pin is an OEM electrical wiring component designed to connect the blower motor to the control board in compatible Lennox HVAC systems. It works by transmitting electrical power and control signals through its five-pin connector, supporting proper motor operation and consistent airflow. This harness is used in compatible Lennox gas furnaces, air handler... https://www.partshnc.com/27m25-lennox-5-pin-motor-harness