Title: Identify the causes of constant, intermittent, or no horn operation.
Course: Diesel Equipment Technology II (20107-II) > Section: Electrical/Electronic Systems: Servicing Related Electrical Systems

Identification should include

- determining the number of horns on the vehicle
- demonstrating the proper horn function
- referring to service materials and following manufacturer guidelines.

Process/Skill Questions:

- How does a horn work?
- Where is a horn typically located?
- Why would a horn operate only with certain steering wheel positions?
- What mechanical or electrical issue would cause the horn to sound continuously?