A motor connector, comprising: a wiring unit, which includes an electric wire having an insulating sheath and a conductive wire, and a terminal coupled to the conductive wire and having the terminal formed at an end thereof; a base including a first molding part, configured to be coupled to an axis of a motor, the axis defining an axial direction, and in which the terminal is arranged, and a second molding part extending radially outside from the first molding part and having a reception space for accommodating the conductive wire and a part of the insulating sheath, wherein the first molding part is formed at a center thereof with a through hole, in which a bearing is mounted that is coupleable to the axis of the motor; a fixing member coupled to the second molding part, and fixing the sheath, a grommet arranged in the reception space and coupled with the insulating sheath to an outer surface of the electric wire so as to press the electric wire, wherein an internal diameter of the uncoupled grommet is formed to be smaller than an outer diameter of insulating sheath based on a center of electric wire, characterized in that the second molding part includes a floor part and lateral wall parts (224a, 224b, 224c) extending from the floor part and the reception space is formed inside of the second molding part by the floor part, the lateral wall parts (224a, 224b, 224c) and the fixing member which prevents the insulating sheath from being disengaged from one of the lateral wall parts, a molding member is filled and molded in the reception space formed on the second molding part and configured to prevent moisture or humidity from being introduced into the first molding part through the second molding part, wherein the grommet is pressed by the molding member to have a shrinkage force. a wiring unit, which includes an electric wire having an insulating sheath and a conductive wire, and a terminal coupled to the conductive wire and having the terminal formed at an end thereof; a base including a first molding part, configured to be coupled to an axis of a motor, the axis defining an axial direction, and in which the terminal is arranged, and a second molding part extending radially outside from the first molding part and having a reception space for accommodating the conductive wire and a part of the insulating sheath, wherein the first molding part is formed at a center thereof with a through hole, in which a bearing is mounted that is coupleable to the axis of the motor; a fixing member coupled to the second molding part, and fixing the sheath, a grommet arranged in the reception space and coupled with the insulating sheath to an outer surface of the electric wire so as to press the electric wire, wherein an internal diameter of the uncoupled grommet is formed to be smaller than an outer diameter of insulating sheath based on a center of electric wire, characterized in that the second molding part includes a floor part and lateral wall parts (224a, 224b, 224c) extending from the floor part and the reception space is formed inside of the second molding part by the floor part, the lateral wall parts (224a, 224b, 224c) and the fixing member which prevents the insulating sheath from being disengaged from one of the lateral wall parts, a molding member is filled and molded in the reception space formed on the second molding part and configured to prevent moisture or humidity from being introduced into the first molding part through the second molding part, wherein the grommet is pressed by the molding member to have a shrinkage force.