Pin-out
Pin 1 will be the leftmost pin in a row, pin numbers will be based on cavity, ie. NC cavities count as a pin as well.
Each row of pins corresponds to one stalk
The top-most L shaped group above is a passthrough that’s not connected
Turn Signal
Top group in image, pins 1 and 6 are for left/right turn:
No turn - open
Right turn - 0.6kR
Left turn - 2.2kR
Cruise Control
Bottom group in image, pins 2 and 3 are for speed change, pins 5 and 6 are for set button
Speed up - 10.6kR
Slow down - 9.1kR
Neither - 16.7kR
Set button is a NO switch