GameCube Controller Connector Pinout
| Pin # | Color | J1 | Function |
|---|---|---|---|
| 1 | Yellow | 2 | 5V Power Supply (used by rumble motor) |
| 2 | Red | 3 | DATA line: bi-directional data to/from console, pull up to 3.43V |
| 3 | Green | 4 | Ground |
| 4 | White | 5 | Ground (Extrme Skillz GC to USB interface has pins 3+4 wired as common ground) |
| 5 | - | - | Unknown |
| 6 | Blue | 1 | 3.43V logic supply |
| 7 | Black | 6 | Cable shielding / ground. Usually the same ground of pin 3. |
GameCube AV Connector Pinout
Main article:Nintendo Multi Out