MECMO

MECMO 4-Way Flat Trailer Wiring Harness 56331 for Dodge/Chrysler Grand Caravan 2011-2020 — Plug‑N‑Play T-Connector, Dust Cover

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$81.48

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Why customers choose NorthTrail Auto

MECMO 4-Way Flat Trailer Wiring Harness 56331 is a vehicle-specific, plug-and-play 4-pin tow connector engineered to add trailer lighting functions to compatible Dodge and Chrysler Grand Caravan models. This harness is a tailor-made electrical adapter that integrates with the factory wiring on select Grand Caravan and Town & Country vans, providing a convenient 4-pin flat plug for powering trailer tail lights, turn signals and brake lights. Built for model years listed, the connector tucks near the hitch when not in use and includes a protective dust cover and durable materials to resist corrosion and wear.

How simple is installation on my Grand Caravan or Town & Country?

Installation is designed to be straightforward for most owners: the prewired T-connector plugs directly into the vehicle's existing tail light harnesses without cutting factory wires. No specialized tools or splicing are required when matched to the listed model years, so you can typically install it yourself in minutes.

  • Plug-and-play T-connector aligns with factory harness behind tail lights.
  • No wire splicing or cutting of factory wiring needed.
  • Includes dust cover for the 4-pin receiver to protect contacts.
  • Quick stow location beneath vehicle near the trailer hitch.

What trailer lighting functions does the 4-pin connector provide?

The 4-way flat connector supplies essential lighting circuits for small trailers: running lights, left and right turn signals, and brake lights. It's intended for conventional trailer lighting loads and is compatible with most small utility, boat, and camping trailers that use a 4-pin plug.

  • Powers tail/running lights for visibility at night.
  • Feeds brake light signal to trailer stop lamps.
  • Delivers separate left and right turn signals for safe towing.
  • Standard 4-pin flat format fits most common trailers.

How durable is the MECMO harness for regular towing use?

This harness uses heavy-duty bonded wire and tin-plated copper terminals to offer improved conductivity and resistance to rust and corrosion. The connector housing and dust cover shield the contacts from moisture and dirt, making it better suited to repeated use and exposure to road conditions than bare connectors.

  • Tin-plated copper terminals for reliable conductivity.
  • Bonded wiring resists fraying and mechanical wear.
  • Dust cover prevents water and debris ingress at the plug.
  • Designed for long-term use on compatible vehicles.

Will this harness work with my specific year and model?

The MECMO 56331 is built specifically for Dodge Grand Caravan models from 2011–2020, Chrysler Town & Country from 2011–2016, and Chrysler Grand Caravan from 2021–2022. Confirm your model year and factory wiring location (typically behind the tail lamps) before purchase to ensure compatibility.

  • Compatible with listed model years and factory wiring layouts.
  • Designed to plug into vehicle-side connectors without modification.
  • Check vehicle's tail lamp harness location for fit verification.
  • Not universal—confirm year and model before ordering.
Who is this for? This wiring harness is aimed at owners of the specified Dodge and Chrysler minivan models who need a reliable, factory-friendly way to add trailer lighting capability. It's ideal for occasional and frequent tow users who prefer a non-invasive, easily removable solution that preserves factory wiring integrity. Mechanics, DIYers, and fleet managers who require a simple, vehicle-specific connector for small trailers or cargo carriers will find this harness practical and cost-effective.

FAQ

Q: Do I need to cut factory wires to install this harness?

A: No — this is a vehicle-specific plug-and-play harness that connects to the factory tail light harness without cutting wires.

Q: Can this harness power a trailer with brakes or extra accessories?

A: The 4-pin supplies basic lighting only; trailers with electric brakes or accessories require a separate brake controller or a 7-pin solution.