The Trane WIR06512 3-Pin Wire Harness Junction is an electrical wiring component featuring 16 AWG black, red, and green wires for connecting compatible HVAC system components. It provides an organized connection point that helps transmit electrical power or control signals between equipment parts. This wire harness is used in compatible Trane heating and cooling systems, supporting re... https://www.partshnc.com/trane-wir06512-3-pin-wire-harness-junction-16-awg-bk-rd-gr