Question 3 of 20
Score: 0/0After supplying air to the trailer, how can you be sure the air lines aren’t crossed and the trailer brakes are working?
ExplanationApplying and releasing the trailer brakes and listening for the sounds confirms the air lines are connected properly and the brakes function correctly.
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Did you know? A high, loaded trailer rolls easily — gentle steering and braking is the recurring answer.
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