--- product_id: 22187809 title: "58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires" brand: "curt" price: "€ 19.93" currency: EUR in_stock: true reviews_count: 10 category: "Curt" url: https://www.desertcart.hr/products/22187809-58304-4-pin-flat-wiring-harness-12-inch-vehicle-side store_origin: HR region: Croatia --- # 4-pin flat connector for universal trailer compatibility 12-inch color-coded wires for easy splice and install Durable rubber housing resists rust and corrosion 58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires **Brand:** curt **Price:** € 19.93 **Availability:** ✅ In Stock ## Summary > 🔗 Connect with confidence — never miss a signal, never miss a moment. ## Quick Answers - **What is this?** 58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires by curt - **How much does it cost?** € 19.93 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/22187809-58304-4-pin-flat-wiring-harness-12-inch-vehicle-side) ## Best For - curt enthusiasts ## Why This Product - Trusted curt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Rugged rubber-molded housing guarantees corrosion-free, weather-resistant durability on every trip. - • **Ready for Action:** Comes with 12-inch color-coded wires and snap locks for fast, professional-grade installation. - • **Effortless Plug & Play:** Ergonomic tabs ensure a secure grip for quick, hassle-free connections every time. - • **Reliable Lighting Control:** Supports tail lights, brake lights, and turn signals to keep you safe and road-legal. - • **Universal 4-Pin Compatibility:** Industry-standard flat connector fits a wide range of trailers and vehicle systems seamlessly. ## Overview The CURT 58304 4-Pin Flat Wiring Harness features a durable rubber housing and 12-inch color-coded wires on both vehicle and trailer sides, providing a reliable, corrosion-resistant connection for tail lights, brake lights, and turn signals. Designed for easy installation and universal compatibility with industry-standard 4-way flat connectors, it ensures your trailer wiring is secure and road-ready. ## Description Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. These 4-way flat connectors are designed to supply power for tail lights, turn signals and brake lights, as well as a ground connection. They feature durable rubber-molded construction and are each made with 12" of standard color-coded, bonded wire to easily splice into your vehicle's wiring system. This package includes both a vehicle-end and trailer-end connector and is compatible with all 2-wire vehicle systems. Review: Easy installation and it works. - Broke a pin off my old wiring harness. This one went in super easy and hasn’t let me down yet. Review: GOOD QUALITY=2014 RAV - GOOD FIT FOR 2014 RAV - NO ISSUES. ## Features - EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging - RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals - VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers - DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode - READY TO INSTALL. Equipped with blunt-cut, color-coded wires and snap locks, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire lead on the vehicle side and 12-inch wire lead on the trailer side provide extra length ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0049CK7CQ | | Best Sellers Rank | #40,349 in Automotive ( See Top 100 in Automotive ) #96 in Towing Hitch Wiring | | Brand Name | CURT | | Cable Type | Flat Ribbon | | Connector Type | 4-way Flat Connector | | Customer Reviews | 4.7 4.7 out of 5 stars (366) | | Global Trade Identification Number | 00612314003044 | | Included Components | 4-Way Connectors | | Item Dimensions | 7 x 3 x 2 inches | | Item Type Name | 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires | | Item Weight | 3.2 ounces | | Manufacturer | Curt Manufacturing | | Material Type | Rubber | | Model | 58304 | | Part Number | 58304 | | Recommended Uses For Product | trailer wiring | | UPC | 612314003044 | | Unit Count | 1.0 Count | | Warranty Description | One Year Limited | ## Product Details - **Brand:** CURT - **Connector Type:** 4-way Flat Connector - **Item Weight:** 3.2 ounces - **Item dimensions L x W x H:** 7 x 3 x 2 inches - **Material:** Rubber ## Images ![58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires - Image 1](https://m.media-amazon.com/images/I/61BfTOzLLDL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy installation and it works. *by S***A on December 15, 2025* Broke a pin off my old wiring harness. This one went in super easy and hasn’t let me down yet. ### ⭐⭐⭐⭐⭐ GOOD QUALITY=2014 RAV *by C***E on December 11, 2025* GOOD FIT FOR 2014 RAV - NO ISSUES. ### ⭐⭐⭐⭐⭐ As advertised *by H***N on December 7, 2025* Worked great ## Frequently Bought Together - CURT 58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires - Partsam 12V Submersible Square Led Trailer Light,Red White LED Stop Turn Tail License Brake Running Light Lamp for Trailers Under 80" Boat Trailer Truck Marine Camper RV Snowmobile,IP68,DOT Compliant - Hopkins 7 Blade to 4 Wire Flat Vehicle To Trailer Connector Adapter Plug, Universal Fit for Vehicles with 7 Blade Adapters (47345) --- ## 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.hr/products/22187809-58304-4-pin-flat-wiring-harness-12-inch-vehicle-side](https://www.desertcart.hr/products/22187809-58304-4-pin-flat-wiring-harness-12-inch-vehicle-side) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-19*