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2024 MD CDL Practice Test: Class A - Test 6

22. 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
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Class A - Test 6
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