May long weekend is target date for Launch and super confused by the poor guy I hounded at the parts department today. I have installed my electric brakes and am ready to wire. So I have A TANDAM TRAILER with brakes on all 4 tires. 2 wires come out of each brake system, 1 is grounded and 1 will be the power. I purchased an electrical box that acts as a sort of protection from truck to trailer so that you don't have to re wire in all wires.... least that is what the sales guy told me. Might have got sold but oh well sounded good at the time. My question is this. Do I hook up all the power wires together or run them up seperalty to the blue connection on the box./adaptor? I envision it like this. connect back two tire brake systems together and the front two together and then running one wired up the middle through both connections to the blue on box/adapator. Sound right or?