2V 4 3 2 1 5V GND 12V 4-Pin 12V 12V GND GND 5V 2 1 5V GND 5V 2 1 GND GND 12V 4 3 2 1 5V GND Released under the Creative Commons Attribution Share-Alike 4.0 License https://creativecommons.org/licenses/by-sa/4.0/ Design by: v1.