According to the present invention, by providing the crush ribs to the side surfaces of the wire cover formed from a hard insulating resin, press-fitting the wire cover into the wire leading-out hole in a state in which the crush ribs have been crushed, and receiving the received parts of the wire cover through use of the wire-cover-receiving parts provided to the inner side of the wire leading-out hole, the precision of positioning the wire cover within the wire leading-out hole is increased; therefore, it is possible to impart high precision to the leading-out direction of the lead wires and to reduce variation in the distal-end positions of the led out lead wires. Therefore, according to the present invention, in cases where a mechanically and electrically integrated drive device is configured by attaching the electrical unit that drives and controls the motor to the end member that closes the one end of the motor housing, it is possible to more efficiently connect the lead wires and the electrical unit by using an automatic assembly machine, etc., and to easily assemble the device.