Wiring Kits for Tesla Model 3 – Vehicle-Specific Complete Solutions

Welcome to the wiring kits category for the Tesla Model 3. This full electric midsize sedan has been in production since 2017. The latest (post-2023 Highland) variants offer around 200-400 kW of system power depending on trim, rear- or all-wheel drive, top speeds up to ~261 km/h, and WLTP ranges in some versions up to ~700 km. Dimensions are approximately 4,720 mm long, 1,850 mm wide, 1,440 mm high, with a wheelbase of about 2,875 mm.

Your Advantages with Our Model 3 Wiring Kits

Vehicle-specific & plug-and-play: Wiring harnesses and connectors are tailored to fit the Model 3‘s headlights, taillights and rear body – installation with minimal modifications.
7- or 13-pin options: A 7-pin wiring kit covers standard lighting & signaling (indicators, taillights, brake lights). If you plan to tow, need reversing lights, or need extra power for accessories, a 13-pin kit is recommended.
LED-friendly & error-free: Even models with LED factory lighting or LED retrofit kits work reliably with our harnesses—no flicker, no warning lights.
Durable & weatherproof components: Weather-sealed plugs, corrosion-resistant materials, and well-protected cable routing—especially in the rear and underside—ensure longevity.
Standards compliant & safe: Our wiring kits meet legal requirements, are TÜV-approved, and road legal also when used with trailer hitches.

Technical Notes & What to Check Before Buying

Verify model details: trim (Standard / Long-Range / Performance), drive type (RWD or AWD), lighting package.
Clarify extra functions: trailer use, reversing lights, auxiliary power sockets.
Select pin count: 7-pin for standard lighting; 13-pin when more functions or towing is involved.
Check component quality: weatherproof connectors, solid grounding, good insulation and cable protection.
After installation: test all lights & signals and check for any warning notifications.

How to Order the Right Wiring Kit

Select your exact Model 3 version in our shop (Trim, battery/drive type, year).
Choose between a 7- or 13-pin kit based on usage.
Ensure that the kit includes socket, harness, mounting hardware, and instruction manual.
If your Model 3 has LED lighting packages or other special features, verify connector/adapter compatibility.
Upon delivery: install according to instructions and perform full tests of all lighting & signal elements.

A wiring kit from Weltmann KFZ-Teile for your Tesla Model 3 offers precise fit, reliable signal performance and full compliance – perfect for EV drivers who demand quality, performance, and safety.

FAQ – Frequently Asked Questions about Wiring Kits for Tesla Model 3

Do I need a 7- or 13-pin wiring kit?

Choose 7-pin if you only need standard lighting and signals. For towing, reversing lights, or extra accessory power, 13-pin is more suitable.

Are the wiring kits LED-compatible?

Yes – supports factory LED lights or LED upgrades without warning lights or flicker.

Is coding or activation required after installation?

Typically no. Only specific trims or optional electronic lighting packages may require activation.

Can I install the wiring kit myself?

Yes, with proper tools and some experience. For complex setups, or if you’re unsure, a professional install is recommended.

Are these wiring kits road-legal & approved?

Yes – all our wiring kits comply with the legal requirements and are approved for road use including with trailer usage.

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