Pre-Installed Trailer Wiring

A pre-installed wiring harness for tow bar fitting.

A 10-pin connector 258 is located in the middle of the rear plate in the luggage compartment. Power to the following lights is supplied via the connector:

Pin 1 LH direction indicators (from DICE)
Pin 2 Rear fog lights (for monitor unit, from DICE)
Pin 3 Rear fog lights
Pin 4 RH direction indicators (from DICE)
Pin 5 RH parking lights
Pin 6 Brake lights (from brake light switch 29 via fuse 6B)
Pin 7 LH parking lights
Pin 8 Reversing lights
Pin 9 +30 (from fuse A)
Pin 10 +54 (from fuse 6)

Fault diagnosis hints
1 Check the electrical connections of the tow bar connector (particularly for corrosion).
2 Check that current is supplied to each terminal in connector 258.
3 Inspect the fuses and wiring harness.






Location of components

Components
22a Main fuse board on side of dashboard by door
27RL Direction indicator lamp in rear LH light cluster
27RR Direction indicator lamp in rear RH light cluster
29 Brake light switch on the pedal assembly
31 Reversing light switch on the gearbox
32HL Reversing light lamp in LH lamp on boot lid
32HR Reversing light lamp in RH lamp on boot lid
33HL Rear fog light lamp in LH lamp on boot lid
33HR Rear fog light lamp in RH lamp on boot lid
239 Transmission range switch 2, automatic transmission (31,77) on gearbox
258 Tow bar connector in luggage compartment on RH side of rear plate
632 DICE control module on main relay board in dashboard

Connections
H10-2 Between rear LH light cluster and boot lid
H10-7 Under the battery tray
H80-1 In connector bracket under LH A-pillar

Grounding point
G3 In luggage compartment under LH light cluster