Wiring Kit for Jeep Grand Cherokee L – 7-pin & 13-pin Options

A vehicle-specific wiring kit for the Jeep Grand Cherokee L ensures a reliable and regulation-compliant electrical connection between your SUV and trailers, bike racks or other powered accessories. Each kit is tailored to the model’s powertrain, trim and wiring system, so that lighting, signals and comfort features function smoothly.

Technical Data & Highlights

Maximum towing capacity (braked): up to approx. 3,266 kg (depending on model)
PHEV versions: towing capacity approx. 2,722–2,800 kg
Cargo space:
- All seats up: ~486 litres
- Third row folded: ~1,328 litres
- Second & third row folded: ~2,396 litres
Seating: 6–7 passengers depending on configuration

7-pin vs. 13-pin – which option fits?

The 7-pin kit provides all standard functions like indicators, brake lights and tail lights. The 13-pin kit adds reverse light, permanent power and charging line – recommended for frequent towing or caravanning.

Installation & Tips

Carefully follow the installation instructions
Route wiring neatly and protect against weather
Ensure a secure ground connection
Coding may be required for trims with advanced electronics

Why choose Weltmann KFZ-Teile?

Custom-fit wiring kits for all Jeep Grand Cherokee L models
Durable, weather-resistant materials and certified connectors
Fast delivery & professional support

FAQ – Wiring Kit for Jeep Grand Cherokee L

Do I need a 13-pin wiring kit?

Yes, if you frequently tow or use accessories requiring power. For light trailer use, a 7-pin kit may suffice.

Is coding necessary?

Some trims with advanced systems may require activation or coding.

Can I install it myself?

Yes, if you have proper tools and experience. Otherwise, professional installation is advisable.

Will installation affect the warranty?

No, as long as certified, vehicle-specific kits are used and installed correctly.

Which kit is best for frequent towing?

The 13-pin kit is the better choice for frequent use and maximum functionality.

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