--- product_id: 646684738 title: "4 Pin Trailer Wiring Harness" brand: "vinauo" price: "€ 19.13" currency: EUR in_stock: true reviews_count: 1 url: https://www.desertcart.it/products/646684738-4-pin-trailer-wiring-harness store_origin: IT region: Italy --- # plug & play ease waterproof design 4-pin connectivity 4 Pin Trailer Wiring Harness **Brand:** vinauo **Price:** € 19.13 **Availability:** ✅ In Stock ## Summary > 🚛 Light Up Your Journey with Ease! ## Quick Answers - **What is this?** 4 Pin Trailer Wiring Harness by vinauo - **How much does it cost?** € 19.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/646684738-4-pin-trailer-wiring-harness) ## Best For - vinauo enthusiasts ## Why This Product - Trusted vinauo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quick Setup:** Plug and play design means you're ready to roll in no time! - • **Universal Fit:** Compatible with all trailer types for hassle-free installation. - • **Durable & Safe:** Insulated silicone housing ensures long-lasting performance. - • **Extended Reach:** 17.5" harness allows flexible placement of lights. - • **Versatile Connectivity:** Easily power multiple lights with a single adapter. ## Overview The 4 Way Trailer Light Adapter is a versatile and durable solution for connecting multiple trailer lights. Featuring a waterproof design and a plug-and-play setup, this Y-splitter adapter ensures safe and efficient power distribution to your tailgate light bars, LED lights, and more. With a 17.5" wiring harness, it offers flexibility in light placement, making it an essential tool for any trailer owner. ## Description 4 Way Trailer Light Adapter, Y-Splitter Trailer Plug Adapter, Trailer Connector for Tailgate Light Bars & Trailer Lights, Plug & Play Adapter Trailer Harness Wiring, 4 Flat Trailer Connectors ## Features - Trailer Light Adapter: 4 pin trailer connector is designed for powering trailer led bars, tailgate lights, trailer led lights, tailgate light bar, tailgate led light strip, rear camera as well as a ground connection. - Plug and Play Trailer Connector: Constructed with one male 4 pin trailer connector and two female flat 4 pin trailer connectors. 4 Way Y-Splitter Trailer Plug Adapter fits all types of trailers. - 4 Way Trailer Plug: Y-Splitter trailer light plug adopts with insulated silicone housing, providing waterproof and anti-electric properties for safe and durable wiring connections. - 4 Pin Trailer Connector: Comes with a 17.5" long trailer wiring harness featuring flat 4 pin connector, trailer light plug ensures easy reach to your desired lighting locations. - 4 Way Y-Splitter Trailer Plug Adapter: Easy to hook up an used for two different lights, such as: trailer lights and truck lights, trailer hitch and light bar, tailgate lite-bar and a lighted hitch step, lights off of the 4 pin plug and a trailer, getting a second 4way under back bumper, trailer or hitch light and strip light and so on. ## Images ![4 Pin Trailer Wiring Harness - Image 1](https://m.media-amazon.com/images/I/61HcvlsckGL.jpg) ![4 Pin Trailer Wiring Harness - Image 2](https://m.media-amazon.com/images/I/71ppgqq2DAL.jpg) ![4 Pin Trailer Wiring Harness - Image 3](https://m.media-amazon.com/images/I/71WZ8MZ3JPL.jpg) ![4 Pin Trailer Wiring Harness - Image 4](https://m.media-amazon.com/images/I/81JBEcyKOtL.jpg) ![4 Pin Trailer Wiring Harness - Image 5](https://m.media-amazon.com/images/I/61RpDSmE6NL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Works as they should at a great price. *by D***E on Reviewed in the United States on September 12, 2024* These were perfectly for splitting a trailer connection at a great price. --- ## 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.it/products/646684738-4-pin-trailer-wiring-harness](https://www.desertcart.it/products/646684738-4-pin-trailer-wiring-harness) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-10-20*