WARNING
If the towing bracket is wrongly tted or is
not the right one, the trailer could become
detached from the vehicle and cause serious
injury.
NOTICE
●
If the rear lights of the trailer are not
correctly connected, the vehicle's electronic
system may be damaged.
●
If the trailer absorbs excessive electric cur-
rent, the vehicle's electronic system may be
damaged.
●
Never connect the trailer's electric system
directly to the electrical connections of the
tail lights or any other power sources. Only
use the connections intended for providing
electric current to the trailer.
Hitching and connecting a trailer
Fig.195 Diagram: assignment of the pins
of the trailer's electrical socket.
Pin Meaning
1 Left turn signal
2 Rear fog light
3 Earth for pins 1, 2, 4, 5, 6, 7 and 8
4 Right turn signal
5 Rear light, right
6 Brake lights
7 Rear light, left
8 Reverse lights
9 Permanent live
10 Live charge cable
11 Earth for pin 10
12 Unassigned
Pin Meaning
13 Earth for pin 9
Power socket for trailer
The vehicle is tted with a 13-pole power
socket for the connection between the trailer
and the vehicle. With the engine running, elec-
trical devices on the trailer receive power from
the electrical connection (pin 9 and pin 10 of
the trailer power socket).
If the system detects that a trailer has been
connected, the consumers on the trailer will
receive electricity through this connection
(pins 9 and 10). Pin 9 has a permanent live.
This powers, for example, the trailer's interior
lighting. Electrical devices such as a fridge in
a caravan only receive electrical power if the
engine is running (through pin 10).
To avoid overloading the electrical system, you
cannot connect the ground wires of pin 3, pin
11 or pin 13.
If the trailer has a 7-contact connector, you
will need to use an adapter cable. In this case
the function corresponding to pin 10 will not
be available.
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