Westfalia 313 120 391 103 Instructions De Montage page 33

Installation instructions:
Electrical system for towing hitch
Important Notes
Read the installation manual prior to starting work.
Note
Pay attention to MB Service Information Group 31 (please also refer to the appendix) and
coordinate with the customer.
Cut out the last page of this instruction manual and enclose it in the assignment diagram in
the vehicle's fuse box in the kick space on the front-seat passenger side.
The electrical kit should only be installed by qualified personnel.
Caution - Data loss
Stored data may be lost when the battery is disconnected!
Seek further information from your MB dealer / manufacturer.
Disconnect the battery's ground cable.
Make sure prior to drilling that no objects like, for example, cables are located behind the covers.
Deburr any bare body parts, like bore holes, and seal them with the help of some rust inhibitor.
Note
During installation special attention has to be paid to the following points:
•
Cables must not be pinched or damaged.
•
All sealing elements have to be installed properly.
•
The socket gasket has to be positioned on the insulating sleeve and not on the individual
wires.
•
Lay the cables such that they do not rub on the vehicle and are not bent.
•
Do not lay any cables near the exhaust system.
•
Install the controller such that it is protected against the ingress of humidity. The cable
connection should always face downward.
When a direction indicator lamp fails, also on the trailer, this is indicated by a higher flashing
frequency. No additional direction indicator check is necessary.
As far as legal issues are concerned the German version of these installation instructions shall be
applicable.
Subject to technical alterations!
W168 A-Klasse 313 120 391 103 - 001 - 01/08 33