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Wiring for a trailer

Wiring for a trailer


A harness has been drawn in preparation for a tow-bar. There is a 10-pin connector (258) in the centre of the rear stem in the luggage compartment.

The following lighting units are supplied via the connector:

Pin 1

Direction indicators, left (from DICE)

Pin 2

Rear fog light (for the monitoring unit, from DICE)

Pin 3

Rear fog lights

Pin 4

Direction indicators, right (from DICE)

Pin 5

Parking lights, right

Pin 6

Brake lights (from brake light switch 29 via fuse 6B)

Pin 7

Parking lights, left

Pin 8

Reversing lights

Pin 9

+30 (from fuse A)

Pin 10

+54 (from fuse 6)



Tips for fault diagnosis


1. Check the electrical connections by the tow-bar connector (there is a risk of oxidation).

2. Make sure that there is voltage in each of the connections in connector 258.

3. Check the fuses and harnesses.