[Alavinus]

Since you now know where the problem is-- get a multimeter and check to make sure the wire is good. Pull on the connectors to see if they are loose. If you have spare wire, make new wires and just run them to see if the victors work.

Check your robot to see if there is bare metal touching the wire. The robot could be grounding out.

Finally, are the fuses for the maxiblock in all the way? Give them a firm push. Let us know if any of this worked