Seat Alhambra Owner's Manual page 307

Always read and take the manufacturer
●
assembly instructions into account.
CAUTION
Exceeding the maximum load and distance
between supports indicated can cause
considerable damage to the vehicle.
Never exceed the specifications.
●
Hitching and connecting the trailer
Diagram: assignment of the pins of
Fig. 281
the trailer's electrical socket.
Key of the Schematic diagram
Pin Meaning
1 Left turn signal
2 Rear fog light
3 Earth, pins 1 to 8
Towing bracket device
Key of the Schematic diagram
Pin Meaning
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 Unassigned
12 Unassigned
13 Earth, pins 9 to 13
Electrical socket for trailer
The vehicle is fitted with a 13-pole power
socket for the electrical connection between
the trailer and the vehicle. With the engine
running, electrical devices on the trailer re-
ceive power from the electrical connection
››› (pin 9 and pin 10 on the trailer power plug).
Fig. 281:
If the system detects that a trailer has been
connected electrically, the electrical equip-
ment on the trailer will receive voltage
through this connection (pins 9 and 10). Pin 9
has a permanent live. This powers, for exam-
ple, the trailer's interior lighting. Electrical de-
vices such as a fridge in a caravan only re-
ceive electrical power if the engine is running
›››
Fig. 281:
(through pin 10).
The earth wires, pin 3 and pin 13, should not
be connected to each other to avoid over-
loading the electrical system.
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.
Trailer cable
Always secure the trailer cable to the towing
vehicle correctly. Leave a little bit of slack in
the cable for turning. However, ensure that
the cable does not rub off the ground while
driving.
Trailer rear lights
Check the trailer rear lights to ensure they
work correctly and remain legal. Ensure that
the trailer does not use more than the maxi-
›››
mum power
Trailer connected to the anti-theft alarm:
When a vehicle comes from the factory fit-
●
ted with an anti-theft alarm and tow hitch.
When the trailer is connected to the vehicle
●
using the socket.
When the vehicle and trailer electrical sys-
●
tems work correctly and are not damaged.
page 303.
»
305