--- product_id: 646157512 title: "Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender" brand: "mosleyz" price: "COP 228512" currency: COP in_stock: true category: "Mosleyz" url: https://www.desertcart.co/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire store_origin: CO region: Colombia --- # 4-pin 4-flat connector 59-inch 18 AWG flexible wiring Waterproof & dustproof casing Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender **Brand:** mosleyz **Price:** COP 228512 **Availability:** ✅ In Stock ## Summary > 🔗 Connect with confidence—extend your reach, not your worries! ## Quick Answers - **What is this?** Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender by mosleyz - **How much does it cost?** COP 228512 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire) ## Best For - mosleyz enthusiasts ## Why This Product - Trusted mosleyz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Weatherproof & Secure:** Waterproof, dustproof casing protects connections for worry-free use. - • **Color-Coded 18 AWG Wires:** Simplify installation with clearly marked, heavy-duty wiring for reliable signals. - • **Durable Silicone Housing:** Premium insulation ensures safety and flexibility under all conditions. - • **Plug & Play 4-Pin Connector:** Seamlessly link trailers, trucks, and ATVs with universal 4-flat wiring. - • **Versatile Vehicle Compatibility:** Perfect for trailers, motorcycles, trucks, and more—expand your towing potential. ## Overview The Mosleyz 4-Way 4-Pin Trailer Wire Extension offers a 59-inch, 18 AWG color-coded wiring harness with waterproof, dustproof silicone housing. Designed for universal compatibility with trailers, trucks, and ATVs, it ensures safe, flexible, and durable connections for all your towing lighting needs. ## Description Features: Standard American car trailer cable with plug and socket for easy use and wide application, suitable for commercial vehicles, semi-trailers and trailers. Environmentally friendly plastic case, waterproof and dustproof, high security. Pure copper contact points, good electrical conductivity, sturdy and durable. This cable allows you to connect a 4-pin US plug on the vehicle to a 4-pin socket on a truck or towed item, and also acts as an extension cord to maintain a safe distance. Different colors of cable lines represent different signal lights, which are easy to install and practical. Item Type: Electrical Plug & Sockets Item Name: 4-pin Flat Plug with Socket Color: shown as picture Material: ABS+ copper Voltage: 6-24V Cable Length: 59in/ Wire gauge: 18*4AWG Package Size: 13.5 * 11 * 4cm / 5.3 * 4.3 * 1.6in Package Weight: 110g / 3.9oz Package Includes: 1 * 4-pin Flat Trailer Plug Wiring configuration: PIN 1-white wire (ground wire) PIN 2-brown wire (tail light and license plate light) PIN 3-yellow line (left / hand direction indicator) PIN 4-green line (right / horizontal indicator) ## Features - 1. 4-pin Trailer Light Wiring Harness, Special Design to Fit For Trailer LED Lights, Tailgate Light Bars and Other Use - 2. Premium Insulating Silicone Housing, Worry-free About Wiring Safety, Super Flexible and Durable - 3. Environmentally friendly plastic case, waterproof and dustproof, high security - 4.18 AWG COLOR CODED WIRES- Color coded 18 AWG wires clearly identify each wire's function; makes installation safe and straight-forward - 5. Used for All Types of Vehicles Like Trailer, Truck, Motorcycle Trailer, ATV Trailer. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0887SF6LV | | Brand Name | Mosleyz | | Country of Origin | USA | | Customer Reviews | 4.8 4.8 out of 5 stars (549) | | Manufacturer | Mosley Technology Inc | | Material Type | Co | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | MOSTH25F | | Wire Diameter | 1.02 Millimetres | ## Product Details - **Brand:** Mosleyz - **Manufacturer:** Mosley Technology Inc - **Material:** Co - **Number of Items:** 1 - **Wire Diameter:** 1.02 Millimetres ## Images ![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 1](https://m.media-amazon.com/images/I/41vbKGatXLL.jpg) ![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 2](https://m.media-amazon.com/images/I/4110nmMF5OL.jpg) ![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 3](https://m.media-amazon.com/images/I/41Xqe9OeQbL.jpg) ![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 4](https://m.media-amazon.com/images/I/51y9Lpkvr+L.jpg) ![Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - Image 5](https://m.media-amazon.com/images/I/51uwJNHx10L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender - CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires - Hopkins 47345 4 Wire Flat Adapter --- ## 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.co/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire](https://www.desertcart.co/products/646157512-trailer-wire-extension-4-way-4-pin-plug-4-wire) --- *Product available on Desertcart Colombia* *Store origin: CO* *Last updated: 2026-09-08*