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Pre-installed trailer wiring

Pre-installed trailer wiring

A wiring harness for a towbar has been pre-routed. A 10-pin connector 258 is located in the centre of the rear plate in the luggage compartment. See Connection, towbar contact (258) .

The following lighting is fed via the connector:

Pin 1

Left direction indicator (from DICE)

Pin 2

Rear fog light (for monitoring unit, from DICE)

Pin 3

Rear fog lights

Pin 4

Right direction indicator (from DICE)

Pin 5

Right parking light

Pin 6

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

Pin 7

Left parking light

Pin 8

Reversing lights

Pin 9

+30 (from fuse A)

Pin 10

+54 (from fuse 6)



Fault diagnosis tips


1. Check the electrical connections at the towbar electrical contact (risk of oxidation).

2. Check that there is voltage at each connection in connector 258.

3. Check the fuses and wiring harness.