I checked the jumper, and it was indeed closed. I unplugged it and went on to tweak the wires a little. I added a small aluminum piece to the heat bed and then clamped the wires in a P-clamp. The movement now stops at the clamp instead of the solders. I also added a zip-tie to the wires where they exit the cable chain on the extruder assembly. That stopped the wires from moving about the connectors on the extruder and such.

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