Firstly the interior carpet, seats and lower dash trim are removed to give access to the wiring loom and Body Control Module (BCM)
The Canbus, brake and fog cuttoff wires are run allongside the factory loom.
The Body Control Module (BCM) plugs are removed and dismantled
Additional CANBUS connections from the wiring kit are brought into the socket connector
CANBUS wiring is installed into the connector
BCM plugs are refitted into the sockets with the additional CANBUS wiring
Fog cutoff wiring are run upto the light switch
and plugged into the back of the socket connector