{"product_id":"rootmutify-trailer-brake-harness-7-pin-round-4-pin-flat-for-2009-2023-ford-f150-f250-f350-direct-fit-brass-contacts","title":"ROOTMUTIFY Trailer Brake Harness 7-Pin Round \u0026 4-Pin Flat for 2009–2023 Ford F150\/F250\/F350 — Direct-Fit, Brass Contacts","description":"\u003cp\u003e\u003cstrong\u003eROOTMUTIFY's Trailer Brake Harness is a direct-fit 7-pin round and 4-pin flat replacement connector built to restore towing electrical and brake connections on 2009–2023 Ford F150, F250 and F350 trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your truck's trailer connector is cracked, corroded, or the contacts are unreliable, this assembly offers the two most common trailer plug styles—7-pin RV blade and 4-pin flat—in a single housing designed to match Ford part references 9U5Z-14489-MAA, FU5Z-14489-A and similar OE harnesses. Built from durable plastic with brass contacts and supplied with mounting accessories, the unit is meant for rear-vehicle installation to power trailer lights and braking systems for small trailers, travel trailers, and horse trailers.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness match my Ford truck's factory connector?\u003c\/h3\u003e\n\u003cp\u003eThe ROOTMUTIFY harness is sized and pinned to mirror Ford's original trailer-tow connector, using compatible pin layouts and mounting points that align with the bracket area on the rear of 2009–2023 F-series trucks. You’ll get the same connector types Ford uses so your trailer plug fits without adapter modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces part numbers 9U5Z-14489-MAA, FU5Z-14489-A and equivalent OEM harnesses\u003c\/li\u003e\n  \u003cli\u003eIncludes both 7-pin round (RV blade) and 4-pin flat interfaces\u003c\/li\u003e\n  \u003cli\u003eMounts to the rear bracket location for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction keep this connector reliable?\u003c\/h3\u003e\n\u003cp\u003eThis trailer harness uses corrosion-resistant brass contacts inside a resilient plastic housing to protect electrical connections from moisture and road debris. The materials extend service life and maintain conductivity under typical towing conditions without excessive maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable plastic shell resists cracking from road vibration\u003c\/li\u003e\n  \u003cli\u003eBrass contacts reduce oxidation and preserve contact integrity\u003c\/li\u003e\n  \u003cli\u003eSupplied accessories for secure mounting and strain relief\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich trailers and towing setups will this connector work with?\u003c\/h3\u003e\n\u003cp\u003eBecause it offers both 7-pin and 4-pin plug types, this harness covers most light- and medium-duty towing needs—running trailer lighting circuits and trailer brake signals where applicable. It’s suitable for small utility trailers, travel trailers with basic electrical needs, and horse trailers that rely on vehicle wiring through a standard plug.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4-pin flat: power tail, signal, and ground for lights\u003c\/li\u003e\n  \u003cli\u003e7-pin round: additional circuits for brake controller and auxiliary power\u003c\/li\u003e\n  \u003cli\u003eIdeal for trailers requiring standard Ford-style trailer wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation and what comes in the package?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intended as a direct replacement using the truck's rear bracket mounting area; basic hand tools are typically sufficient. The package includes the combined 7-pin\/4-pin connector and the mounting accessories needed to fasten it in place—no extra harnesses are included.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne 7-pin round \/ 4-pin flat combined trailer connector\u003c\/li\u003e\n  \u003cli\u003eMounting hardware and clips for rear-vehicle placement\u003c\/li\u003e\n  \u003cli\u003eDesigned for bolt-on replacement; basic wiring checks recommended after install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ROOTMUTIFY replacement trailer brake harness is for Ford F150, F250 and F350 owners (model years 2009–2023) who need a direct-fit connector to restore or upgrade trailer electrical connections. It’s best for owners towing small to medium trailers who want a durable, corrosion-resistant replacement that matches Ford part references and supports both common 4-pin and 7-pin trailer plugs.\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: Does this harness fit 2015 Ford F150 models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed to match Ford 2009–2023 F150, F250 and F350 connector locations and pin layouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are mounting accessories included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes the connector plus mounting hardware and related accessories for rear installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROOTMUTIFY","offers":[{"title":"Default Title","offer_id":48086472523934,"sku":"B0DMZZCZKQ","price":43.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/rootmutify-front-view-connector.jpg?v=1785898927","url":"https:\/\/northtrailauto.ca\/products\/rootmutify-trailer-brake-harness-7-pin-round-4-pin-flat-for-2009-2023-ford-f150-f250-f350-direct-fit-brass-contacts","provider":"North Trail Auto","version":"1.0","type":"link"}