Abstract: A wiring harness is provided with connectors which are electrically and physically attached to terminal wires extending from the electrical resistance deicer heater and cables extending from a power supply so that the connectors when assembled, establish the desired electrical connection, the assembled connectors being secured to a bracket fastened to the hub of a propeller, blade with a portion of the bracket being engageable with the assembled connector bodies to hold the connectors in assembled position on the hub.