Windshield Wipers - 1 & 2-Speed Electric -- Square Motor: Description

Single speed motor is a shunt wound type and two speed motor is a compound wound (series and shunt) type. Gear train consists of a helical gear at end of armature shaft which drives an intermediate gear and pinion assembly. Pinion drives output gear and shaft; and crank arm, attached to output gear shaft, drives wiper transmissions through connecting link arms. Circuit protection for wipers is through a fuse on fuse block. Windshield washer pump is a positive displacement type using a bellows or a piston arrangement. Pump is mounted on shaft of wiper output gear.