The LiftMaster 41A7790 dual wire harness assembly from Garage Door Supply Company is a replacement wire harness kit for use with garage door openers with a light lens on the front and back of the operator. This wire harness kit, which allows the up-and-down force of the door to operate, is compatible with LiftMaster, Chamberlain and Craftsman residential garage door openers. Installation instructions are included.Product Highlights:
