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Crimp KK connectors on the Duet fan wires, and install them in a two pin connector as shown.

Plug the fan in at the location indicated in the photo.

The black 20awg wire from the hotend whip can now be attached to the terminal block as indicated in the photo. You may need to rotate the screw counter clockwise before inserting the wire to open the terminal, as it may be closed from the factory.

Make sure the green terminal block DOES NOT twist, it could rip off and cause you to replace your entire Duet! You may need to CAREFULLY hold it with pliers while tightening the screw.

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