HHL Products
Retro-C Cable Information
GameCube Retro-C Cable Information
8min
Hand Held Legend earns commissions for Amazon purchases made through links in this post
For modders who are interested in making your own USB-C to GameCube cable, here's all the information you'll need. This is not a full guide by any means, but this contains all the information to get you started!
This cable, if wired according to these specifications, will be compatible with our ProGCC kit, JunkFoodArcade , Frame1, and B0XX controllers.
See the Connection Table at the bottom to see where each wire must go!




GameCube Pin | USB-C Pin | USB-C Letter Code |
3.3v | TX1+, TX2+ | A2, B2 |
5v | VBUS | A4, B4, A9, B9, VCC, V+ |
Data | RX1+, RX2+ | A11, B11 |
GND | GND | A1, B1, A12, B12, GND, G |

Updated 03 Mar 2023
Did this page help you?