Title: Troubleshoot and maintain a boat trailer and trailer lights.
Course: Marine Service Technology II (20111-II) > Section: Practicing Safe Vessel Transportation on Land

Troubleshooting and maintaining should include inspecting

- hitches
- safety chains
- electrical connections
- bunks
- rollers
- tires
- brakes
- wheel bearings.

Process/Skill Questions:

- When is the best time to inspect boat trailer lights and brakes? Why?
- What is the procedure to troubleshoot short circuits, broken wires, bad connections, and bad bulbs?
- What are the colors of the wires on a four-wire trailer system? What is the function of each?
- What is the most common cause of corrosion in trailer brakes?