{"product_id":"oyviny-4-pin-flat-trailer-wiring-harness-5-ft-female-connector-18awg-pure-copper-pvc-jacket","title":"Oyviny 4-Pin Flat Trailer Wiring Harness — 5 ft Female Connector, 18AWG Pure Copper PVC Jacket","description":"\u003cp\u003e\u003cstrong\u003eOyviny’s Vehicle-Side 4-Pin Flat Trailer Wiring Harness is a 5-foot, heavy-duty 4-way female connector with 18AWG pure copper conductors and a PVC jacket for reliable trailer lighting connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether replacing a worn trailer socket or wiring a new towing setup, this Oyviny 4-pin female trailer connector delivers a standard-fit, color-coded solution built for durability and simple installation. The 60-inch cable gives flexibility for routing while the rubber dust cover and ergonomic grip tabs make daily use easier and help protect the connection from debris and moisture.\u003c\/p\u003e\n\n\u003ch3\u003eWhat vehicle and trailer systems does this 4-pin socket work with?\u003c\/h3\u003e\n\u003cp\u003eThis female 4-way flat socket follows the industry-standard 4-pin wiring format, so it fits most passenger vehicles, trucks, and utility trailers that use a basic lighting harness. It handles tail, brake, and turn signal circuits, plus running lights when paired with matching trailer wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 4-way flat format compatible with common trailer plugs\u003c\/li\u003e\n  \u003cli\u003eConnects tail lights, brake lights, turn signals and running lights\u003c\/li\u003e\n  \u003cli\u003eIdeal for utility trailers, small boat trailers, campers and light-duty towing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and which tools are typically required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward thanks to the color-coded 18AWG wires that match common wiring conventions. Basic hand tools—wire strippers, crimpers or butt connectors, and electrical tape or heat shrink—are usually sufficient for a secure connection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded wires simplify matching vehicle harness colors\u003c\/li\u003e\n  \u003cli\u003eTabs on the socket provide better grip during plug\/unplug\u003c\/li\u003e\n  \u003cli\u003e5-foot length gives room to route and secure wiring to the vehicle frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features help this connector withstand outdoor conditions?\u003c\/h3\u003e\n\u003cp\u003eOyviny designed the plug with longevity in mind: pure copper 18AWG conductors for good conductivity, a thick PVC jacket to protect against abrasion, and a rubber dust cover to block dirt and moisture when not connected. The heavy-duty plastic housing resists everyday road wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e18 AWG pure copper wires for consistent electrical performance\u003c\/li\u003e\n  \u003cli\u003ePVC jacket shields wires from chafing and weather exposure\u003c\/li\u003e\n  \u003cli\u003eRubber dust cover keeps moisture and debris out of the socket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can I tell this socket is durable and user-friendly?\u003c\/h3\u003e\n\u003cp\u003eThe connector combines rugged materials with ergonomic details: a robust plastic body to resist impacts, an easy-grip design for quick hookups, and a length suitable for clean, secure routing. These features reduce maintenance and make everyday towing tasks quicker.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eErgonomic side tabs for easier plug handling and reduced strain\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty construction for long service life under normal towing use\u003c\/li\u003e\n  \u003cli\u003eAmple cable length for flexible mounting and strain relief options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Oyviny 4-pin female trailer wiring harness is aimed at DIYers, fleet managers, and vehicle owners who need a reliable, standard 4-way connection for trailers, light-duty towing, or replacement vehicle-side sockets. It’s particularly suited to anyone who wants a straightforward, durable, and easy-to-install connector that matches common trailer wiring standards without complicated electronics or adapters.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this 4-pin connector compatible with standard trailer plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses the industry-standard 4-way flat format for tail, brake, and turn signal wiring compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this harness myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Color-coded wires and basic tools (strippers, crimpers) are sufficient for most DIY installations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":67595306238137,"sku":"B0CM3Q5XL8","price":54.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/oyviny-front-view-4-pin-female-socket.jpg?v=1790586950","url":"https:\/\/redleafauto.ca\/products\/oyviny-4-pin-flat-trailer-wiring-harness-5-ft-female-connector-18awg-pure-copper-pvc-jacket","provider":"Redleaf Auto","version":"1.0","type":"link"}