The 7-Way, on its own, will not engage electric brakes. You would need to add a brake controller. I would suggest a proportional unit as it will detect how hard you are braking in the truck and adjust the braking power on the trailer to match. It will yield a smoother braking system.
bona fide (not comparable) 1  In good faith. 2  Genuine; not counterfeit.
NULLA BONA. TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed. Latin: No goods. The name of the return made by the sheriff to a writ of execution, when he has not found any goods of the defendant within his jurisdiction on which he could levy.