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.
    The phrase 'sola fide' is simply Latin for 'by faith alone' and was used in connection with the reformation doctrines espoused by Martin Luther and others. It has reference to the clear Biblical teaching that salvation is by faith alone and not by works of the law.