Wiring Kits for Volvo S40 – reliable & tailored solutions for your vehicle

Do you drive a Volvo S40 and want to retrofit a tow bar or install electrical accessories? At Weltmann KFZ-Teile, we offer vehicle-specific wiring kits precisely adapted to the S40’s onboard electronics and architecture. Our systems ensure dependable signal transmission and avoid fault warnings.

Why a specialized wiring kit is important for the Volvo S40

The S40 is equipped with modern control units, CAN bus networks, and diagnostic capabilities. A generic wiring kit may lead to interference, malfunction or error messages. A correctly matched, vehicle-specific kit ensures that indicators, tail lights, brake lights, constant power and additional accessories are properly integrated.

7-pole or 13-pole – which variant to choose?

Depending on your needs and usage:

7-pole wiring kit: sufficient for basic lighting functions (turn signal, brake, tail light).
13-pole wiring kit: recommended if you want extra features such as reverse light, charging, or power for accessories.

Benefits of our S40 wiring kits

Vehicle-specific design — no universal compromises
Plug & Play installation or minimal coding effort, depending on model
Error-free integration into the vehicle network — no warning codes
Weather-resistant connectors and premium materials
Reliable performance even under heavy use or long term operation

Typical use cases

With the right wiring kit, your Volvo S40 can be used for:

Utility or leisure trailers
Bicycle racks with lighting connection
Electrical accessories such as chargers or lighting modules

Select your wiring kit for Volvo S40 now

In our shop, choose your specific **Volvo S40** (model year, trim) to display compatible wiring kits. Order online and benefit from fast delivery, verified quality, and simple installation. Weltmann KFZ-Teile — your specialist for wiring kits and tow bar electrics.

FAQs – frequently asked questions about wiring kits for Volvo S40

Which wiring kit fits my S40?
It depends on model year, features and accessory needs. Use our vehicle selector to display correct options.
Does the wiring kit need coding?
Many versions are plug & play. Some data-bus variants may require activation or configuration.
Will all functions work immediately?
In most cases yes. In some models a system check or activation may be needed.
Are the connectors weatherproof?
Yes — our wiring kits are designed for exterior use and include high-quality sealing.
Can I install it myself?
With appropriate skills and tools yes. If uncertain, professional workshop installation is recommended.
What is the delivery time?
Usually 1–3 working days if the kit is in stock.

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