Need h3lp with Atoto F7 XE wiring for steering control on Silverado 2012

[landriaultp]

Hi folks, I am I stalling subject system on my 2022 Silverado. I removed my aftermarket Hizpo system which I had connected with a CAN BUS XRC controller. (See picture).
View attachment 43988
I can't figure which wire to connect to the Steering Wheel Key#(+) and Steering Wheel Key(+) wires on the units wire harnest?

View attachment 43989 View attachment 43990 View attachment 43991

Help please

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[landriaultp]

Hi folks, I am I stalling subject system on my 2022 Silverado. I removed my aftermarket Hizpo system which I had connected with a CAN BUS XRC controller. (See picture).
View attachment 43988
I can't figure which wire to connect to the Steering Wheel Key#(+) and Steering Wheel Key(+) wires on the units wire harnest?

View attachment 43989 View attachment 43990 View attachment 43991

Help please

Update: I emailed Atoto support. They are asking me which wire in this Simple Soft CAN BUS controls the steering buttons? If I knew that, I wouldn't be asking anyone else for help...?

Perhaps someone out there has a wiring map for this Simple Soft GM-SS-03 CAN BUS interface?

That would greatly help me if you did. Thank you.