Welcome to our category for wiring kits made for the Citroën C4 I. These kits provide everything required to properly wire your tow bar: tail lights, brake lights, indicators, and power circuits. Durable materials, precise design, and full regulation compliance included.

Why choose our wiring kits?

Model-specific fit: Connectors, cable layout, and components are optimized for the C4 I—no makeshift solutions.
Legally compliant & safe: E-marked parts with protection against moisture, temperature shifts, and mechanical wear.
Easy to install: Comes with mounting materials and instructions—manageable even for experienced DIYers.
Support & guidance: Assistance for installation, electrical compatibility, and registration when needed.

Technical Features to Check

Type of plug: Is your vehicle equipped or set for 7-pin or 13-pin?
Cable length & plug position matching the rear of the car.
Existing sensors or lighting features (e.g. fog lights, integrated lighting).
Weather protection – waterproof connectors and insulated wiring.

What We Offer

Trusted brand components for reliable performance
Fast delivery and safe packaging
Detailed installation guides with helpful illustrations
Practical tips for installation & legal compliance

How to Order the Right Wiring Kit

Check your vehicle’s model year & equipment to determine the correct features.
Select the plug type (7-pin or 13-pin) that matches your setup.
Choose the wiring kit, add to cart, and complete purchase.
If assistance is needed, contact our customer service.

Trust Weltmann KFZ-Teile for wiring kits for your Citroën C4 I—safe, compatible, and built to last.

FAQ – Frequently Asked Questions about Wiring Kits for Citroën C4 I

Which plug type is correct – 7-pin or 13-pin?

The correct plug depends on your trailer’s requirements and your car’s existing socket. Check what you already have or what your trailer needs.

How do I protect the wiring from corrosion?

Our wiring kits include watertight connectors and insulated cables. Install in protected areas and periodically inspect for signs of wear or exposure.

Will assist systems or lighting be affected?

When installed correctly, our kits are designed to maintain proper function of rear lights, side markers, and parking sensors. If unsure, we can advise on technical specifics.

Can I install the wiring kit myself?

Yes — with a good guide and some electrical experience it is often possible. If you’re unsure, especially with older models or complex systems, getting a professional install is safer.