started to tinker with daughters 9N3 and looking for some wiring advice (i've tried search honestly

I'm struggling for the SAFE AND CAN connections to the new unit. I'd also like to know if the undocumented CAN wire from the current unit is important

I've searched high and low for pin-outs for the RMT100 so if anyone has them i'd be very grateful

Here is the current Unknown CAN wire on current unit Here is my logic so far

f5