Windshield Wipers - Square Motor: Description
NOTE:
Some models use depressed park wipers (wipers stop below hood line in park position). For these models, refer to General Motors - Round Motor story in this section.
Wiper system design consists of a two speed rectangular shape motor with non-depressed park wiper arms. Motor is compound wound and attached to a gearbox containing a park switch. Motor control is obtained from wiper switch which has "OFF", "LO", and "HI" positions.