Before you start the test, please answer the question below regarding your insurance status.
Without insurance you will not be able to drive in Ohio
Do you currently have car insurance?
To test the trailer service brakes, you should:
To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.