Magsafe 2 Wiring Diagram. Web analog board power supply. Wikipedia says that the outer pins are ground and the inner pins are +16.5vdc. Usb To Magsafe Wiring Diagram USB Wiring Diagram from usbwiringdiagram.com Web wiring diagram and schematic learn about circuit diagram symbols and how to make circuit diagrams. By | october 4, 2011. Web […]