https://uk.rs-online.com/web/p/serial-cable-assemblies/1864044/
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\ 1 2 3 4 5 /
\ 6 7 8 9 /
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| Pin | Role | Colour |
|---|---|---|
| 1 | Gnd | Brown |
| 2 | Throttle | Red |
| 3 | Brake | Orange |
| 4 | Clutch | Yellow |
| 5 | NC | |
| 6 | +3.3v | Blue |
| 7 | NC | |
| 8 | NC | |
| 9 | +3.3v | Black |