Final answer:
To check for antilock brakes on a vehicle, look for a yellow ABS malfunction lamp on the dashboard, check the wheel ends, or refer to the vehicle's documentation. Braking distance measurements assess braking performance, not the presence of ABS.
Step-by-step explanation:
To determine if your truck, bus, trailer, or converter dolly is equipped with antilock brakes, you can look for several indicators.
Many vehicles with antilock brake systems (ABS) have a yellow ABS malfunction lamp on the instrument panel. This lamp should light up briefly when you start the engine. If the lamp stays on, it indicates that the ABS is not functioning correctly.
Additionally, you may check for the presence of the ABS on the wheel ends of your vehicle or consult the vehicle's owner's manual or maintenance documentation.
However, knowing the distance the driver covers before hitting the brakes, how long it takes the truck to stop after hitting the brakes, and what total distance the truck covers to stop are related to braking performance rather than equipment type. These measurements are used to assess braking efficiency but do not directly indicate whether a vehicle is equipped with ABS.