4 Supply line
5 Empty
6 Empty
7 Fog lamp
ISO 1185 Socket
Pin Explanation
1 Ground
2 Left taillight
3 Left indicator
4 Brake light
5 Right indicator
6 Right taillight
7 Axle lifting
Please be careful with the co-
lor of the sockets. The black
socket is suitable for ISO 1185
and the white socket is suitab-
le for ISO 3731. If the vehicles
are suitable for norms, the
black socket on the truck will
be connected to the black soc-
ket on the trailer and the white
socket on the truck will be
connected to the white socket
on the trailer
3.3.3. Light System
The vehicle is equipped with a light system which is suitable for the regulations.