California CDL Air Brakes Test

What does the stop-light switch in an air brake system do?

It turns on the brake lights when air pressure is applied to the service brakes It activates the parking brake automatically It bleeds the supply tank It controls the trailer air

Correct Answer:

It turns on the brake lights when air pressure is applied to the service brakes

Access more questions from this quiz

Continue to California CDL Air Brakes Test for more practice questions and the full quiz experience.

Access More Questions