Robo3D Z-Limit Switch Relocation

I've had nothing but trouble from the auto-level and z-limit switches since I first plugged my Robo3D in two weeks ago. The very first movement it made was to home the z-axis and when it attempted this seemingly simple tast, the wiring of one of the switches failed causing the nut that raises everything to drop out of the z axis bracket and commence to wrap up and make sure the wiring to the rest of the limit switches up top was also faulty. I took a model of the extruder carriage(I'm pretty sur