Question 17 of 20
Score: 0/0What are the correct steps, in order, to test your trailer’s service brakes?
ExplanationTo test trailer service brakes properly, first wait for normal air pressure, then release the parking brake, drive forward slowly (around 5 mph), and finally apply the trailer’s hand brake firmly to confirm brakes work correctly.
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Did you know? Heaviest trailer goes right behind the tractor, lightest at the rear.
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