Okay, so I bought a 3-spoke tiptronic steering wheel for my 5-speed manual with the intention of using the tiptronic buttons as a way of controlling my DNX6190HD.
It is outlined in this guide here:
Steering Wheel Stereo Control DIY
However, the guide does not detail a crucial step. Shown in the back of my wheel are three connectors:
The guide does not label which one is the horn, which is the airbag, and which is the tiptronic. Any help is appreciated.