On a trailer equipped with ABS, what color is the ABS malfunction lamp, and where is it located?
Combination Vehicles • Free CDL Practice Question
Regulation
AAMVA CDL Manual, Section 6.3.1, p. 6-7, Figure 6.7
Why This Matters
A driver doing a pre-trip inspection needs to know exactly what to look for and where. Misremembering the color or side can mean a driver checks the wrong spot and misses a genuine ABS malfunction warning before a trip.