The 7 pole wiring kit especially for your vehicle is produced by the manufacturer Westfalia. Once the 7 pole wiring kit has been integrated into your vehicle's data bus system, it reliably indicates faulty trailer lighting using the vehicle's own system. After installing the wiring kit, the vehicle must be set to trailer operation.

The 7 pole data bus electrical kit ensures that the factory-fitted parking aid on your vehicle is automatically switched off. This electrical kit is installed in the boot only. A continuous current connection (terminal 30) for the trailer control unit must be available in the rear of the vehicle. A cable gland suitable for the vehicle-specific 7 pole wiring harness is already available on your vehicle. Therefore, you do not have to drill through the rear panel of your vehicle during installation.

The extension kit ZB6503 is required to switch off the rear fog light(s) of your vehicle when towing a trailer or using a bicycle carrier. If the rear fog light(s) cannot be deactivated automatically, no bicycle carrier (load carrier) may be used in accordance with StVZO §49a Para. 9a.

The electrical set is suitable from chassis number 12776. The chassis number is issued by the . You can find the chassis number in the vehicle registration document under "E" or in the former vehicle identification document under number "4".