Before you start the test, please answer the question below regarding your insurance status.

Without insurance you will not be able to drive in Your state

Do you currently have CDL insurance?

If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:

If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can check under the trailer for wheel speed sensors coming from the back of the brakes.
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