I will be picking up a new tent trailer this coming Monday (May 29th). The trailer has electric brakes so the dealer will be installing the brake control system in the MO. First time for trailer brakes for me. I understand that they will install something that attaches to the brake pedal that activates the trailer brakes slightly ahead of the vehicle brakes. I assume this is pretty straight forward, but thought I'd ask about any issues to be aware of.