When it's done, you have to plug the LED wires into the 2 spare "DUPONT" connectors from the MIDI harness (green & yellow wires). Polarity is important, so don't cross the wires: | When it's done, you have to plug the LED wires into the 2 spare "DUPONT" connectors from the MIDI harness (green & yellow wires). Polarity is important, so don't cross the wires: |