Before you start the test, please answer the question below regarding your insurance status.
Without insurance you will not be able to drive in Nevada
Do you currently have motorcycle insurance?
A loss of air pressure in the emergency line will cause:
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.