If it’s a JD FEMA system then there’s a green / yellow wire coming from the steering column it’s pwm signal but we can use it for disengage.
I just figured out the props for terminating the valves:
connectors (2 grey + 1 black)
829-12084669 (left/right get 2)
829-12066016 (lock)
588-40F15RE (lock)
807-DC780R-564K (left / right so get 2)
As for the AIO PCB:
I had to remove the C3 from the pressure sense line.
Also the voltage divider better be 2k / 4k or smaller instead of the 6 / 12k for it to work properly.
In terms of code: