I just got a Arduino UNO and CNC Shield 3.0. I am trying to connect the CNC Shield to the TB6600 drivers because I am running 425 oz motors. I have 4 motors total so I am wanting to clone an axis. I can not find any wiring diagram for this type of setup. I am a NOOB at Arduino. I was able to get GRBL flashed to the UNO and I am proud of that.