---
product_id: 605556584
title: "Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars"
brand: "nilight"
price: "C$6351"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/605556584-heavy-duty-7-way-inline-trailer-plug-with-7-gang
store_origin: NI
region: Nicaragua
---

# 16ft flexible PVC cable for strain-free emergency turns 7-way copper blade plug for seamless connectivity Weatherproof junction box with sealed rubber gaskets Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars

**Brand:** nilight
**Price:** C$6351
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence, Drive with Style

## Quick Answers

- **What is this?** Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars by nilight
- **How much does it cost?** C$6351 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/605556584-heavy-duty-7-way-inline-trailer-plug-with-7-gang)

## Best For

- nilight enthusiasts

## Why This Product

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

## Key Features

- • **Weatherproof & Durable:** Stay worry-free with a rugged junction box sealed against water, dust, and corrosion—built to withstand the elements.
- • **Color-Coded Convenience:** Easily identify and connect left/right turn, brake, reverse, and tail lights with clearly marked 7-pole wiring.
- • **Extended 16ft Cable Length:** Enjoy flexible, tangle-free wiring that prevents strain during sharp turns or emergency maneuvers.
- • **Streamlined 7-Way Connectivity:** Simplify your trailer wiring with a heavy-duty copper blade plug that ensures fast, reliable connections every time.
- • **Universal Fit for All Your Rides:** Compatible with RVs, cars, and trailers—upgrade your vehicle’s wiring harness with confidence.

## Overview

The Nilight Heavy Duty 7 Way Inline Trailer Plug features a robust 7-pole copper blade plug integrated into a weatherproof junction box with sealed rubber gaskets. Its 16-foot flexible PVC cable ensures strain-free connections, while color-coded wiring simplifies installation. Designed for universal compatibility with RVs, cars, and trailers, this harness offers durable, waterproof protection and reliable 12V connectivity for all your trailer lighting needs.

## Description

Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars

## Features

- Simply Your Wire Harness: 7-way copper blade molded into a heavy duty plug provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order.
- Convenient Trailer Wiring Sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc.
- Flexible and Easy Connection: 16ft long cord with soft and durable PVC housing Flexible Connection. The length prevents it from being strained during an emergency turn 7-Way Connects Brake Running Reverse Turn Signals and Auxiliary Power.
- Good Sealing Performance: 4 open&4 close sealed rubber gaskets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant.
- Package Included 1x 7-Way trailer plug with junction box, 4 x open gaskets,4 x Close gaskets. Fit Type: Universal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Nilight |
| Brand | Nilight |
| Model | 16FT Trailer Wiring Harness |
| Item Weight | 6.29 pounds |
| Package Dimensions | 13.35 x 13.1 x 3.65 inches |
| Country of Origin | China |
| Item model number | 51102TR |
| Exterior | Brushed |
| Manufacturer Part Number | Nilight |
| Position | Bottom |
| Bulb Type | Halogen |
| Special Features | Waterproof |
| Voltage | 12 Volts (DC) |

## Images

![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars - Image 1](https://m.media-amazon.com/images/I/71Nw+xAev8L.jpg)
![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars - Image 2](https://m.media-amazon.com/images/I/71OtpgdJzDL.jpg)
![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars - Image 3](https://m.media-amazon.com/images/I/61GSoThProL.jpg)
![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars - Image 4](https://m.media-amazon.com/images/I/61vkwFk4LXL.jpg)
![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 16 Feet Connector Cable Wiring Extension Harness Suitable for RV Automotives Cars - Image 5](https://m.media-amazon.com/images/I/61XsiOFwrML.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.ni/products/605556584-heavy-duty-7-way-inline-trailer-plug-with-7-gang](https://www.desertcart.ni/products/605556584-heavy-duty-7-way-inline-trailer-plug-with-7-gang)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-29*