--- product_id: 606489663 title: "Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box | Weatherproof 12 Feet Connector Cable Wiring Harness Suitable for RV Automotives Cars" brand: "nilight" price: "₨44807" currency: LKR in_stock: true reviews_count: 13 url: https://www.desertcart.lk/products/606489663-heavy-duty-7-way-inline-trailer-plug-with-7-gang store_origin: LK region: Sri Lanka --- # 12ft flexible PVC cable 7-way copper blade plug Weatherproof junction box Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box | Weatherproof 12 Feet Connector Cable Wiring Harness Suitable for RV Automotives Cars **Brand:** nilight **Price:** ₨44807 **Availability:** ✅ In Stock ## Summary > 🚛 Power Up Your Trailer Game with Effortless, Weatherproof Wiring! ## Quick Answers - **What is this?** Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box | Weatherproof 12 Feet Connector Cable Wiring Harness Suitable for RV Automotives Cars by nilight - **How much does it cost?** ₨44807 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/606489663-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 - • **Color-Coded Precision Wiring:** Easily identify and connect brake, turn, reverse, and auxiliary lights with clear, industry-standard color codes. - • **Extended 12ft Flexible Cable:** Generous length with soft PVC housing prevents strain during sharp turns or emergency maneuvers. - • **Streamlined 7-Way Connectivity:** Simplify your trailer wiring with a heavy-duty molded copper blade plug for fast, reliable connections. - • **Weatherproof & Corrosion-Resistant:** Sealed junction box with multiple rubber gaskets ensures durability in all conditions—rain or shine. - • **Universal Fit for All Your Adventures:** Compatible with RVs, campers, trailers, and commercial vehicles—gear up for every journey with confidence. ## Overview The Nilight Heavy Duty 7 Way Inline Trailer Plug features a robust 7-pole copper blade connector integrated into a weatherproof junction box with sealed rubber gaskets. Its 12-foot flexible PVC cable ensures strain-free connections, while color-coded wiring simplifies installation for RVs, trailers, and commercial vehicles. Designed for durability and universal compatibility, this harness delivers reliable power to all trailer lighting and auxiliary systems, backed by a 2-year warranty. ## Description About Us Nilight is a popular brand that is dedicated to providing innovative, cost-effective, and quality products. We have specialized in automotive products and parts for many years. Constant improvement and innovation are our eternal aim. Junction box with 12 feet cable and 7-way blade connector suitable for 5th Wheel, Travel trailer, camper, etc. With a good seal making it weather-proof and corrosion-resistant. the 7 wires are color-coded and coated with thick rubber-like insulation. It's ideal for RV travel trailers, caravans, food trucks, and other towed vehicles. Wiring Style: 7-Way (7-Pole) Trailer Cord Length: 12 Feet Junction Box Dimensions: 6.5" x 3.1" x 2.2" Materials: Copper + ABS+ PVC + Rubber It has two hooks on either side of the plug for better grip when inserting or unplugging trailer wiring. Each color represents a part of the trailer to which it supplies power. The color code wire is suitable for most RV trailer wiring standards. 12ft long cord with soft and durable PVC housing providing a flexible connection. The length prevents it from being strained during an emergency turn. Upgraded premium double prong to replace poor single prong, molded into a 7-way plug, perfect connection to any standard 7-way trailer receptacle. White(10AWG)--Ground; Red(14AWG)--Left Turn/Stop Green(14AWG)--Tail/Marker; Black(10AWG)--Auxiliary Brown(14 AWG)--Right Turn/Stop; Blue(12AWG)--Brake; Yellow(14AWG)--Backup Note: Actual wiring color codes matches the RV Standard but some trailers wiring color codes may difference. Fit for most vehicle: Caravans, Trailer, Tow truck, Commerial Vehicle,etc. A 7-pin trailer plug connects your vehicle with the trailer to provide power for the required lights, turn signals, brake power, battery hot lead, reverse lights, and ground. 12 FT Trailer Cord Trailer Connector Trailer Connector Trailer Plug Trailer Adapter Blade to Flat Convertor Trailer Connector Tester ## 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: 12ft 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: 12 FT 7-Way trailer plug with junction box*1, open gaskets*4, Close gaskets*4. Fit Type: Universal ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CR74NGD9 | | Best Sellers Rank | #4,922 in Automotive (See Top 100 in Automotive) #13 in Trailer Connectors | | Brand Name | Nilight | | Cable Type | Flat Ribbon | | Connector Type | 7 Way | | Customer Reviews | 4.6 4.6 out of 5 stars (2,826) 4.6 out of 5 stars | | Included Components | 12FT Trailer Wiring Harness with Junction Box | | Item Type Name | Trailer Wire Harness | | Item Weight | 2.05 kg | | Manufacturer | Nilight | | Material Type | Copper, Polyvinyl Chloride (PVC) | | Model | 51101TR | | Number Of Items | 1 | | Number Of Packs | 1 | | Part Number | 1 | | Upc | 840323916653 | | Warranty Description | 2 Year Warranty | ## Images ![Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box | Weatherproof 12 Feet Connector Cable Wiring Harness Suitable for RV Automotives Cars - Image 1](https://m.media-amazon.com/images/I/71Mey8KN4TL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect for our camper! *by on Reviewed in the United States May 29, 2026* This worked perfectly on our Forest River Camper, all wire colors matched our trailer side wiring. The diagram provided was a big help in identifying what wire controlled which set of lights, etc. Installation was super easy and the junction box that comes pre-attached is very nice. Perfect fit with good quality wiring materials. Exactly what I was looking for. ### ⭐⭐⭐⭐⭐ Quick shipment *by on Reviewed in the United States July 25, 2026* Great part ### ⭐⭐⭐⭐⭐ Clean wiring and a great upgrade *by on Reviewed in the United States August 3, 2026* I put it on a 2015 Jayco travel trailer everything was perfect. All the colors matched up perfectly. All lights worked as intended and I will be testing the trailer brakes in a couple of weeks when we go camping. It changed the wiring from a mess to nice and clean ## Frequently Bought Together - Nilight Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Weatherproof Junction Box - 12 Feet Connector Cable Wiring Harness Suitable for RV Automotives Cars - Nilight - 50048R 7 Way Electrical Trailer Junction Box 7 Gang Trailer Wire Connector Junction Box Weatherproof for Rewiring Camper RV Caravans Boat 7 Pole Cable Connection Box,2 Years Warranty - BUNKER INDUST Trailer Brakes Breakaway Kit with Charger, LED Indicator, Switch, 12V 5AH Battery for Trailer Caravan --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.lk/products/606489663-heavy-duty-7-way-inline-trailer-plug-with-7-gang](https://www.desertcart.lk/products/606489663-heavy-duty-7-way-inline-trailer-plug-with-7-gang) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-08-15*