I had a questiona few days ago but nnot much help came from it. I want my back up lights to function. There was a harness attached to the T-5 from summit. It is on the driver side and is higher than the electrical connection that came without a harness. So basically yhere are 2 elec. connections one with a harness and one without. What is what? I assume one is the back up lights but which and what is the other? Thanks, David