Fiat 500L 2013 Owner's Handbook Manual page 180

Any electric brake or other device (winch etc.)
should be powered directly by the battery through a
GETTING TO KNOW
cable with a cross-section of no less than 2.5 mm
YOUR CAR
In addition to the electrical branches, the car's
electrical system can be connected only to the supply
cable for an electric brake and to the cable for an
SAFETY
internal trailer light, though not more than 15 W. To
connect, use the preset control unit with a battery
cable with cross-section no less than 2.5 mm
STARTING AND
IMPORTANT The use of auxiliary loads other than
DRIVING
external lights (electric brake, winch, etc.) must
occur with engine running.
WARNING LIGHTS
IMPORTANT To install a tow hook contact a Fiat
AND MESSAGES
Dealership.
IN AN EMERGENCY
The ABS with which the car may be
equipped will not control the braking
system of the trailer. Particular caution is
required on slippery roads.
SERVICING AND
MAINTENANCE
TECHNICAL
Never modify the braking system of the
SPECIFICATIONS
car to control the trailer brake.The
trailer braking system must be fully
independent of the car's hydraulic system.
INDEX
176
2
.
2
.
WARNING
WARNING
INSTALLING A TOW HOOK
The towing device should be fastened to the body by
specialised personnel according to any additional
and/or integrative information supplied by the
Manufacturer of the device.
The towing device must meet current regulations
with reference to Directive 94/20/EC and subsequent
amendments.
For any version the towing device used must be right
for the towable weight of the car on which it is to
be installed.
For the electrical connection a standard connector
should be used which is generally placed on a special
bracket normally fastened to the towing device,
and a special ECU for external trailer light control
must be installed on the car.
7 or 13-pin 12 V DC connections should be used
(CUNA/UNI and ISO/DIN Standards). Follow any
instructions provided by the car manufacturer and/or
the towing device manufacturer.
Installation diagram for basic versions fig. 151
The tow hook structure must be fastened in the
points shown in the figure with a total amount of 8
fastening points to the body.