---
product_id: 531667978
title: "Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground"
brand: "gonice"
price: "S/.80"
currency: PEN
in_stock: true
reviews_count: 8
category: "Gonice"
url: https://www.desertcart.pe/products/531667978-gonice-25ft-4-pin-trailer-wiring-harness-extension-kit-4
store_origin: PE
region: Peru
---

# 18-gauge pure copper wire for superior conductivity 25 ft total length for versatile reach Tin-plated & PVC coated for corrosion resistance Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground

**Brand:** gonice
**Price:** S/.80
**Availability:** ✅ In Stock

## Summary

> 🔌 Power your trailer with confidence—connect like a pro, wherever the road takes you!

## Quick Answers

- **What is this?** Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground by gonice
- **How much does it cost?** S/.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/531667978-gonice-25ft-4-pin-trailer-wiring-harness-extension-kit-4)

## Best For

- gonice enthusiasts

## Why This Product

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

## Key Features

- • **Premium Conductivity:** 18-gauge pure copper wire ensures reliable, high-performance electrical flow
- • **Color-Coded Precision:** Intuitive wire colors simplify installation and troubleshooting for busy pros
- • **Universal Compatibility:** Fits all standard 4-pin flat plugs and trailers under 80" wide—marine, horse, or cargo
- • **Built to Brave the Elements:** Tin plating and PVC coating deliver unmatched corrosion and aging resistance—even in sea water
- • **Extended Reach, Effortless Install:** 25 ft wiring harness with male & female connectors for seamless trailer setup

## Overview

The Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit features a durable 18-gauge pure copper wire with tin plating and PVC coating for superior corrosion resistance. Designed for easy installation with color-coded 4-way flat connectors, it supports trailers up to 80" wide, including marine and utility trailers. Trusted by thousands with a 4.6-star rating, this kit ensures reliable electrical connectivity in all conditions.

## Description

Buy Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground: Wiring Harnesses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Wires for trailer lights - Good product works good
Review: Want lightning - Very nice kit

## Features

- Wire Length Details- Our 4-way trailer wiring harness includes 4 pin 21.65ft male & 3.94ft female extension connector and Install the accessory kit. this 25 ft trailer wiring harness is made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer.
- Durable & Corrosion Resistant- The use of high quality pure copper wire and tin plated layer to achieve the best electrical conductivity and oxidation resistance, and the use of high quality PVC material for the best anti-corrosion and anti-aging ability. Work perfectly even with sea water.
- Connect quickly- Male plug with 5 wires, female plug with 4 wires. And you can install the trailer wire so quickly and easily through the 4-way connectors and Matching installation accessories. It matches with any other standard 4 pin flat plugs.
- Wire Connect Tips- Wires are color coded and bonded, Green- Right Turn Lights/Brakes, Yellow- Left Turn Lights/Brakes, Brown- Tail Lights/Running Lights, White-Ground Wire.
- Wide Application- The trailer wiring harness is suitable for under 80" wide trailers, such as marine boat trailer, horse trailer and other cargo utility trailer.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQM6YMMS |
| Best Sellers Rank | #7,730 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Electrical Wiring Harnesses |
| Brand | Gonice |
| Brand Name | Gonice |
| Cable Type | Trailer Wiring Harness |
| Connector Type | Flat 4-way |
| Customer Reviews | 4.6 out of 5 stars 885 Reviews |
| Item Weight | 0.29 Kilograms |
| Manufacturer | Gonice |
| Material | Copper |
| Material Type | Copper |
| Wire Diameter | 1.02 Millimeters |

## Product Details

- **Brand:** Gonice
- **Material:** Copper
- **Item Weight:** 0.29 Kilograms
- **Cable Type:** Trailer Wiring Harness
- **Connector Type:** Flat 4-way

## Images

![Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground - Image 1](https://m.media-amazon.com/images/I/719Z0olQ4qL.jpg)
![Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground - Image 2](https://m.media-amazon.com/images/I/71G6IUa-jLL.jpg)
![Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground - Image 3](https://m.media-amazon.com/images/I/71+zxzI6nNL.jpg)
![Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground - Image 4](https://m.media-amazon.com/images/I/71aovubfrdL.jpg)
![Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground - Image 5](https://m.media-amazon.com/images/I/71MPxUIc2fL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Wires for trailer lights
*by W***S on February 12, 2026*

Good product works good

### ⭐⭐⭐⭐⭐ Want lightning
*by E***K on February 15, 2026*

Very nice kit

### ⭐⭐⭐⭐⭐ Great kit for the price
*by A***R on January 21, 2026*

It was delivered fast and packed well the kit was just as described and easy to installed I just pulled the old wires out one side at a time and as I did I replaced it with the new then hooked it up .

## Frequently Bought Together

- Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground Wire
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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-03-18*