{"product_id":"mecmo-7-pin-trailer-wiring-extension-7ft-for-truck-bed-plug-and-play-7-way-socket-no-cut-installation","title":"MECMO 7-Pin Trailer Wiring Extension 7ft for Truck Bed — Plug-and-Play 7-Way Socket, No-Cut Installation","description":"\u003cp\u003e\u003cstrong\u003eMECMO's 7-foot 7-pin trailer wiring extension provides a plug-and-play 5th wheel or gooseneck socket so you can tow trailers from your truck bed without cutting into factory wiring.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need an extra, durable 7-way connection mounted in the truck bed for a gooseneck or fifth-wheel trailer, this MECMO harness adds a factory-style socket quickly and reversibly. It connects directly to compatible trucks’ existing 7-pin plug, extending that connection to a plate-mounted socket in the bed so you can hook up lights, brakes, reverse lamps and auxiliary power in seconds.\u003c\/p\u003e\n\n\u003ch3\u003eWhich trucks and trailers will this MECMO wiring harness work with?\u003c\/h3\u003e\n\u003cp\u003eThis extension is built to match a wide range of domestic trucks and popular pickup years, plus standard RV\/gooseneck 7-pin trailers. It’s designed as a direct-fit extension for trucks that already have a factory 7-pin, so compatibility is primarily year-and-model dependent.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits many GM models (GMC Sierra, Chevy Silverado across multiple years listed)\u003c\/li\u003e\n  \u003cli\u003eCompatible with Ford F-150\/F-250\/F-350 and Super Duty series within specified years\u003c\/li\u003e\n  \u003cli\u003eAlso fits Dodge\/Ram 1500\/2500\/3500, Nissan Titan, and Toyota Tundra model ranges noted\u003c\/li\u003e\n  \u003cli\u003eWorks with 5th-wheel and gooseneck trailers using a standard USACAR\/RV 7-pin plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation work and will I need tools or splicing?\u003c\/h3\u003e\n\u003cp\u003eInstallation is plug-and-play — no splicing or cutting of factory wires. The MECMO harness plugs into your truck’s existing 7-pin connector and provides a secure 7-way socket you can mount in the truck bed wherever convenient.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect T-connector design plugs into factory 7-pin without wiring changes\u003c\/li\u003e\n  \u003cli\u003eSocket can be fixed in place in the bed for easy trailer hookup\u003c\/li\u003e\n  \u003cli\u003eNo electrical modifications needed, reducing installation time and error risk\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded dust cover protects the socket when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat circuits and trailer functions does the 7-way extension support?\u003c\/h3\u003e\n\u003cp\u003eThe MECMO 7-way extension carries the full range of standard RV trailer signals so you retain lighting, brakes and auxiliary power when towing fifth-wheel or gooseneck trailers. It mirrors your truck’s existing wiring through a heavy-duty cable and molded connector.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTail\/marker lights and brake lights for safe road visibility\u003c\/li\u003e\n  \u003cli\u003eTurn signals and reverse light circuit support\u003c\/li\u003e\n  \u003cli\u003eElectric trailer brake control connection (brake output)\u003c\/li\u003e\n  \u003cli\u003e12V auxiliary power pin for trailer accessories and battery charging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBuilt to last with molded black plastic connectors and a protective tubing loom, the harness resists road wear and environmental exposure. The included dust cap helps prevent dirt and moisture from entering the female 7-way socket when it’s not in use.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for? If you own a compatible Chevy, GMC, Ford, Ram, Nissan, or Toyota pickup and frequently hook up a 5th-wheel or gooseneck trailer, the MECMO 7-foot 7-pin extension gives you a clean, removable bed-mounted socket without altering factory wiring. It’s ideal for truck owners who want a durable, easy-to-install towing connection that supports lights, brakes and auxiliary power while preserving the vehicle’s original harness.\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: Do I need to cut or splice my truck's factory wiring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The MECMO extension is plug-and-play and connects directly to the existing 7-pin without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this support electric trailer brakes and auxiliary power?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 7-way extension carries brake output plus the 12V auxiliary circuit for trailer accessories.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MECMO","offers":[{"title":"Default Title","offer_id":48080884433054,"sku":"B0B1DL7DSH","price":93.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mecmo-front-socket-mounted.jpg?v=1785791514","url":"https:\/\/northtrailauto.ca\/products\/mecmo-7-pin-trailer-wiring-extension-7ft-for-truck-bed-plug-and-play-7-way-socket-no-cut-installation","provider":"North Trail Auto","version":"1.0","type":"link"}