Title: Test the wiper motor, resistors, park switch, relays, switches, connectors, wires, and control components or modules.
Course: Diesel Equipment Technology II (20107-II) > Section: Electrical/Electronic Systems: Servicing Related Electrical Systems

Testing should include

- testing the wiper motor and park switch, wiper switch, control module, wiring, and related components
- referring to service materials and following manufacturer guidelines.

ASE 1: VII. Cab: D. Hardware (P-1)

Process/Skill Questions:

- How can a wiper motor be tested for proper operation?
- What does the park switch do in a wiper circuit?
- What condition would prevent wipers from parking?
- How do intermittent wipers work?