---
product_id: 674573931
title: "50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine"
brand: "seamaka"
price: "VT10174"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/674573931-50ft-5-wire-4pin-trailer-wiring-harness-extended-length-trailer
store_origin: VU
region: Vanuatu
---

# 50ft extended reach 4-way flat plug connector corrosion-resistant heavy-duty wire 50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine

**Brand:** seamaka
**Price:** VT10174
**Availability:** ✅ In Stock

## Summary

> 🚤 Power your trailer’s lights with confidence and style!

## Quick Answers

- **What is this?** 50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine by seamaka
- **How much does it cost?** VT10174 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/674573931-50ft-5-wire-4pin-trailer-wiring-harness-extended-length-trailer)

## Best For

- seamaka enthusiasts

## Why This Product

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

## Key Features

- • **Extended 50ft Reach:** Perfect for large trailers and boats needing extra wiring length.
- • **Universal 4-Way Connector:** Seamlessly powers tail, brake, and turn signals with a standard flat plug.
- • **Color-Coded Easy Installation:** Simplifies wiring with clear, color-coded 5-wire harness for quick setup.
- • **Durable Corrosion-Resistant Build:** Heavy-duty 18 AWG wires designed to withstand marine and outdoor conditions.
- • **Versatile Multi-Trailer Compatibility:** Ideal for marine, horse, motorcycle, ATV, and cargo trailers with 4-way plugs.

## Overview

This 50ft 5-wire trailer wiring harness features a 4-way flat plug connector and heavy-duty, corrosion-resistant 18 AWG wires. Designed for easy installation with color-coded wiring, it supports tail lights, brake lights, turn signals, and grounding. Perfect for marine, horse, motorcycle, ATV, and cargo trailers requiring extended wiring length and reliable performance.

## Description

Full description not available

## Features

- Product Size: This is a 50 foot 4-way 5 Wires boat trailer extension wire.male wire length is about 42ft,the trunk connector is 8ft trunk connector,the trailer side ground wire is about 4ft
- Material: Made of heavy duty materials, it can resist corrosion for a long time
- Design: This trailer connecting wire is equipped with a 4-way flat plug connector, which is used to supply power for tail lights, turn signals and brake lights, and grounding connection, It is convenient to use and saves time
- Application: It is widely used in marine trailers, horse trailers, motorcycle trailers, ATV trailers and other multi-purpose cargo trailer hitch devices (note: there must be 4-way plug)
- Features:18 AWG color-coded wire wishbone harness is an easy-to-install welding wire.The white ground wire is made of 18-gauge, reduce corrosion

## Product Details

- **Brand:** Seamaka
- **Material:** Plastic
- **Item Weight:** 0.59 Kilograms
- **Connector Type:** 4-way Flat Trailer Connector
- **Wire Diameter:** 0.03 Inches

## Images

![50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine - Image 1](https://m.media-amazon.com/images/I/71HPMR9Z8EL.jpg)
![50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine - Image 2](https://m.media-amazon.com/images/I/61pL+9I7lBL.jpg)
![50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine - Image 3](https://m.media-amazon.com/images/I/61HltsHXRDL.jpg)
![50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine - Image 4](https://m.media-amazon.com/images/I/61aYMXKmgbL.jpg)
![50ft 5 Wire 4Pin Trailer Wiring Harness,Extended Length Trailer Wiring Kit,4-Way Trailer Light Wire for Trailers RV Boat Marine - Image 5](https://m.media-amazon.com/images/I/61YOCGycfuL.jpg)

---

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**Shop now:** [https://www.desertcart.vu/products/674573931-50ft-5-wire-4pin-trailer-wiring-harness-extended-length-trailer](https://www.desertcart.vu/products/674573931-50ft-5-wire-4pin-trailer-wiring-harness-extended-length-trailer)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-09*