After replacing both a stepper motor driver and the extruder motor itself, the problem still persists. Looks like there may be a broken wire in the wire harness. I’ve got the printer on the floor on it’s side ready to test the wires tomorrow. If I do find a broken wire, it may mean time to replace the whole wiring harness, which would be a big task. I’m actually considering upgrading to a CAN-bus setup. Now would be the time.
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