Msd 2 step on onstar button

[defxtones]

Does anyone have a wiring diagram for the steering wheel control buttons I wanna have my msd 2 step activate by holding the onstar voice button on the steering wheel I saw someone do it before but they are gate keeping on how to do it

 

[Doubeleive]

Does anyone have a wiring diagram for the steering wheel control buttons I wanna have my msd 2 step activate by holding the onstar voice button on the steering wheel I saw someone do it before but they are gate keeping on how to do it

Onstar wiring diagram

anyone know what the 5 wires are for the onstar? what they do/go to? -orange/black -yellow/black -brown/white -turquiose/white -green/black

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