Cooling 4028 fan - 12 V

Connect the PWM wire to the negative pin (the one closest to the middle of the toolboard) of the shown connector.

Connect the positive and negative wire to the referred slot where the 12V jumper was placed.

Route the power cable back to the electronics enclosure and follow the piano wire previously installed.

Use some zip ties to clean the excess cable inside the electronics enclosure.

Route the PWM wire as shown.

IDEX ONLY Connect the 4028 cooling fan from T1 on the slot below. Ensure the jumper is set to 12V.