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Wiring Kits for Volkswagen Crafter II (since 2017) – vehicle-specific integration, ready for work

Our wiring kits for the Volkswagen Crafter II retrofit your towbar with road-legal lighting and network-friendly integration. For panel van, crew, chassis cab or double-cab: choose vehicle-specific plug-and-play looms for a factory-like fit or universal kits for bespoke bodies. Every set ensures reliable lamp functions and fault-free communication with the vehicle.

Connector standards: 7-pin vs 13-pin

  • 7-pin: Core lighting (indicators, brake/tail) – fine for basic cargo trailers.
  • 13-pin: Adds reverse light plus permanent power (Pin 9) and charging line (Pin 10) – ideal for caravans, work lights or coolers.

Pro tip: For commercial duty or camping, 13-pin is usually the future-proof choice.

Crafter II integration highlights

  • CAN-bus/BCM interface for clean integration without fault codes.
  • Bulb failure monitoring (Check-Control) retained where fitted.
  • Automatic PDC muting (front/rear) in trailer mode; rear-camera logic* can be supported.
  • ESP/trailer stability supported when available.
  • LED tail-lamp support on many vehicle-specific looms (load simulation where required).
  • Rear fog cut-off* may be included to prevent glare – kit dependent.
  • Coding/activation: Depending on model year/ECU level, it may be recommended or required; see each product page.

*Functions depend on the vehicle equipment and the chosen kit.

Installation notes for vans & coachbuilt bodies

Vehicle-specific looms use model-matched connectors and OEM-like routing. On chassis-cab/coachbuilt vehicles, cable runs/lengths can differ – compatible kits account for this. For permanent power/charging (13-pin), kits often include wiring, fuse and a relay. Skilled DIYers can complete the retrofit; for diagnostics/coding we recommend a professional workshop.

Why buy from weltmann-KFZteile

  • Certified brand quality (E-mark).
  • Complete kits incl. mounting parts – tailored to the VW Crafter II.
  • Clear specifications on 7/13-pin, LED, PDC, permanent power & coding.
  • Fast shipping and expert support.

Conclusion

The right wiring kit for your Volkswagen Crafter II provides compliant lighting and robust system integration – perfect for trade, fleet and leisure.

Frequently Asked Questions (FAQ)

Which do I need – 7-pin or 13-pin?
For basic trailers, 7-pin is enough. Choose 13-pin for caravans, reverse light and powered accessories via permanent/charging lines.

Is ECU coding required on the Crafter II?
Depending on model year/control units, diagnostic activation can be required or advisable so PDC muting, bulb monitoring and trailer features work correctly.

Will the parking sensors mute automatically?
Usually yes with vehicle-specific CAN-bus kits, provided the vehicle has PDC and the selected loom supports it.

Are these looms compatible with LED tail lamps?
Many vehicle-specific kits are LED-ready; some use load simulation. Please check the item details.

How do I provide permanent power/charging (13-pin)?
Most kits include the extra cable, fuse and possibly a relay. See the product description.

Will this work on chassis-cab conversions or camper builds?
Yes – appropriate kits account for longer runs and routing. Please verify your body length/variant.

Will the kit work with an already installed towbar?
Yes, as long as the mechanical towbar is approved for the Crafter II. Match the socket carrier and loom routing to the chosen kit.

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