Title: Test the interior cab light circuit switches, bulbs/LEDs, sockets, low voltage disconnect (LVD), connectors, terminals, wire, and control modules.
Course: Diesel Equipment Technology II (20107-II) > Section: Electrical/Electronic Systems: Servicing the Lighting Systems

Testing should include inspection, based on

- manufacturer guidelines
- a description of normal operation
- the interpretation of appropriate wiring diagrams.

ASE 2: V. Electrical/Electronic Systems: F. Instrument Cluster and Driver Information Systems (P-2)

Process/Skill Questions:

- What are the advantages of LED lights over other light bulb types?
- What is the difference between a normally-opened and a normally-closed switch?
- What is the repair procedure for circuits located in the interior of the vehicle?