---
product_id: 646157512
title: "Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender"
brand: "mosleyz"
price: "10042 som"
currency: KGS
in_stock: true
reviews_count: 5
category: "Mosleyz"
url: https://www.desertcart.kg/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire
store_origin: KG
region: Kyrgyzstan
---

# Waterproof & dustproof casing 4-pin 18 AWG wiring 59-inch flexible extension Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

**Brand:** mosleyz
**Price:** 10042 som
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with confidence — your trailer’s new best friend!

## Quick Answers

- **What is this?** Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender by mosleyz
- **How much does it cost?** 10042 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire)

## Best For

- mosleyz enthusiasts

## Why This Product

- Trusted mosleyz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Conductivity:** Pure copper contacts deliver reliable, high-quality electrical performance for worry-free towing.
- • **Plug & Play Precision:** Color-coded 18 AWG wires ensure foolproof, fast installation every time.
- • **Universal Compatibility:** Designed to fit all 4-pin trailer LED lights, tailgate bars, and a wide range of vehicles including trucks, motorcycles, and ATVs.
- • **Built to Brave the Elements:** Durable waterproof and dustproof silicone housing keeps your connection safe rain or shine.
- • **Extended Reach, No Compromise:** 59-inch length gives you the freedom to connect trailers without stress or strain.

## Overview

The Mosleyz 4-Way 4 Pin Trailer Wire Extension is a 59-inch, 18 AWG color-coded wiring harness designed for seamless connection of trailer LED lights and tailgate light bars. Featuring a waterproof, dustproof silicone housing and pure copper contacts, it ensures durable, safe, and reliable electrical performance across all types of vehicles. Engineered in the USA, this plug-and-play extension offers professional-grade quality trusted by over 500 satisfied users.

## Description

Features: Standard American car trailer cable with plug and socket for easy use and wide application, suitable for commercial vehicles, semi-trailers and trailers. Environmentally friendly plastic case, waterproof and dustproof, high security. Pure copper contact points, good electrical conductivity, sturdy and durable. This cable allows you to connect a 4-pin US plug on the vehicle to a 4-pin socket on a truck or towed item, and also acts as an extension cord to maintain a safe distance. Different colors of cable lines represent different signal lights, which are easy to install and practical. Item Type: Electrical Plug & Sockets Item Name: 4-pin Flat Plug with Socket Color: shown as picture Material: ABS+ copper Voltage: 6-24V Cable Length: 59in/ Wire gauge: 18*4AWG Package Size: 13.5 * 11 * 4cm / 5.3 * 4.3 * 1.6in Package Weight: 110g / 3.9oz Package Includes: 1 * 4-pin Flat Trailer Plug Wiring configuration: PIN 1-white wire (ground wire) PIN 2-brown wire (tail light and license plate light) PIN 3-yellow line (left / hand direction indicator) PIN 4-green line (right / horizontal indicator)

Review: Great quality wire harness
Review: Just what I needed

## Features

- 1. 4-pin Trailer Light Wiring Harness, Special Design to Fit For Trailer LED Lights, Tailgate Light Bars and Other Use
- 2. Premium Insulating Silicone Housing, Worry-free About Wiring Safety, Super Flexible and Durable
- 3. Environmentally friendly plastic case, waterproof and dustproof, high security
- 4.18 AWG COLOR CODED WIRES- Color coded 18 AWG wires clearly identify each wire's function; makes installation safe and straight-forward
- 5. Used for All Types of Vehicles Like Trailer, Truck, Motorcycle Trailer, ATV Trailer.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0887SF6LV |
| Brand | Mosleyz |
| Brand Name | Mosleyz |
| Country of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 508 Reviews |
| Item Weight | 0.11 Kilograms |
| Manufacturer | Mosley Technology Inc |
| Material | Co |
| Material Type | Co |
| Part Number | MOSTH25F |
| Wire Diameter | 1.02 Millimetres |

## Product Details

- **Brand:** Mosleyz
- **Item Weight:** 0.11 Kilograms
- **Manufacturer:** Mosley Technology Inc
- **Material:** Co
- **Wire Diameter:** 1.02 Millimetres

## Images

![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 1](https://m.media-amazon.com/images/I/6143vX48oTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality wire harness
*by B***4 on 6 October 2025*



### ⭐⭐⭐⭐⭐ Just what I needed
*by D***O on 5 September 2025*



### ⭐⭐⭐⭐⭐ Works
*by J***Z on 3 August 2025*



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**Shop now:** [https://www.desertcart.kg/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire](https://www.desertcart.kg/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-11*