2024 MA CDL Practice Test: Double and Triples - Test 5
Based on
2024 MA CDL Handbook
29. When starting the engine, how can you tell if the ABS system is not working on a truck with a trailer?
A
The yellow light on the left rear of the trailer will stay on
B
All the rear lights will flash and then shut off
C
The red light on the right side of the trailer will flash three times and then stay on