How can you tell if a converter dolly is equipped with anti-lock brakes?

Question

Converter dollies built on or after March 1, 1998 are required to have Anti-Lock Braking Systems (ABS). The presence of ABS will be indicated by a yellow lamp on the left side of the dolly.

Accepted Answer

There is a yellow lamp on the left side of the dolly.

Answer

The dolly is marked with a sticker displaying the letters "ABS."

Answer

There is a plaque on the side of the dolly containing the information.