If you're swapping seats round or retrofitting, then you will want to keep electric movement functions and may even want to retain the heated-seat feature or even safety restraints. Here's a guide to wire colours and the pin-outs on the multi-block plug.
5+6 - CAN data wires to CAS [ Green + Orange/Green]
7 - 12v Power Wire [Red, Red/Blue or Red/Brown, 3mm thickness]
8 - Main Ground Wire [Brown, 3mm thickness]
Seat Cushion Heating Power+ [Green/Violet or Blue/Violet]
Seat Cushion Heating Ground- [Brown or Brown/Orange, 1.5mm thickness]
Seat Cushion Temp. Sensor [Grey]
Seat Back Heating Power+ [Violet or Green/Violet]
Seat Back Heating Ground- [Brown, 1mm thickness]