Towing bracket device*
Pin Meaning
7 Rear light, left
8 Reverse lights
9 Permanent live
10 Live charge cable 11 Earth for pin 10
12 Unassigned
13 Earth for pin 9 Power socket for trailer
The v
ehicle is fitt
ed with a 13-pol e po
wer
sock
et for the connection between the trailer
and the vehicle. With the engine running,
electrical 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