The Rheem-Ruud 45-104090-01 Wiring Harness Assembly is a genuine replacement component designed for use in select furnaces and air handlers manufactured by Rheem Manufacturing Company and Ruud systems. This wiring harness connects and organizes electrical circuits within the HVAC unit, ensuring reliable communication between key components such as the control board, blower motor, and ... https://www.partshnc.com/45-104090-01-rheem-ruud-wiring-harness-assembly