Motor mounts in stock location under the dash using stock linkage and transmissions. The two speed switch provided will mount in stock location but delay switch will not. *Note: The late 47 uses the large one piece wiper transmissions. The hole in the cowl for the wiper transmissions is 5/8 inches in diameter. The wiper transmissions are rivited to a common bar that features mounting tabs for the wiper motor.12 volt wiring is required.