Flickering or pulstating Headlights

You probably should (have) started your own thread LOL this is pretty convoluted. I don't know physically, where the splice is. So far as the fuse panel hanging, this would seem to indicate a bad connection and the weight of the harness/ panel has put enough tension to change the situation. Wiggle the harness and try to see what changes and when. These things are tough, nobody likes them