Give Me a Brake!

I've had 2021 problems with bakes.  My old trailer had brake problems, caused by my failure to plug on the connecting trailer brake cord to the truck.  I went through long wait hell to get a new trailer brake installed by my auto repair shop.  Again, another trailer brake problem, with touchy brakes.  Again a long wait and  I was told the trailer brake lines were causing the brakes to "short out".  The fix would take a trailer repair shop to tear out the brake lines under the floor of…