This is for the xf260 it does not have any wires going to the doors and communicates over hs can left module has 2 lives right has 2 negitive so think this is how it tells which is left and right and has a local can between them both As far as I have worked out Left Pin 1 and 2 local can Pin 3 live Pin 4 n/c Pin 5 negitive Pin6 and 7 hs can Pin 8 live Right Pain 1 and 2 local can Pin 3 negitive Pin 4 n/c Pin 5 negitive Pin 6 and 7 hs can Pin 8 live