{"product_id":"curt-4-way-trailer-wiring-harness-for-ford-ranger-mazda-b-series-vehicle-side-plug-in-55325-with-dust-cover","title":"CURT 4-Way Trailer Wiring Harness for Ford Ranger \u0026 Mazda B-Series — Vehicle-Side Plug‑In 55325 with Dust Cover","description":"\u003cp\u003e\u003cstrong\u003eCURT 55325 is a vehicle-specific, plug-and-play 4-way flat trailer wiring harness that installs at the taillight assembly to provide reliable tail, brake and turn signal connections for select Ford Ranger and Mazda B-series trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your truck didn’t come pre-wired for towing, the CURT 55325 custom wiring harness gives you a fast, OEM-compatible way to add standard 4-way trailer power without cutting or splicing factory harnesses. Designed to match select model years of the Ford Ranger and Mazda B2300, B3000 and B4000, this T-connector uses vehicle-specific connectors that plug into the taillight sockets and delivers a dust-covered 4-way flat outlet ready for trailers, lights and small accessories.\u003c\/p\u003e\n\n\u003ch3\u003eWill this harness fit my Ford Ranger or Mazda B-series?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on the model year and factory wiring layout of your truck. The CURT 55325 is built to plug into the original taillight assembly on specific years and trims; always verify fitment against the application list or your vehicle’s wiring before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for select Ford Ranger and Mazda B2300\/B3000\/B4000 models\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific OEM-style connectors for direct plug-in installation\u003c\/li\u003e\n  \u003cli\u003eCheck CURT application guide or your dealer for exact year\/trim compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools will I need?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward since the harness uses plug-in connectors that mate with the factory taillight sockets—no cutting, splicing or soldering required. Most installations can be completed with common hand tools and minimal mechanical experience; instructions and all wiring components are supplied with the harness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play T-connector design—no wiring modifications to the vehicle\u003c\/li\u003e\n  \u003cli\u003eIncludes tail light converter and all necessary wiring components\u003c\/li\u003e\n  \u003cli\u003eTypical tools: screwdrivers, panel trim tool and basic wrenches for access panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical functions and protection does the CURT 55325 provide?\u003c\/h3\u003e\n\u003cp\u003eThe harness supplies standard 4-way flat output to control trailer tail lights, turn signals and brake lights via your vehicle’s lighting circuits. An integrated tail light converter ensures compatibility between the truck’s electrical signals and the trailer wiring, and a dust cover helps protect the connector when it’s not in use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4-way flat socket for tail, brake and turn signal circuits\u003c\/li\u003e\n  \u003cli\u003eSMT circuitry for stable performance and increased durability\u003c\/li\u003e\n  \u003cli\u003eDust cover included to keep contacts clean and reduce corrosion risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this harness handle additional trailer accessories?\u003c\/h3\u003e\n\u003cp\u003eThe CURT 55325 is intended for standard lighting functions on trailers. It supplies the lighting circuits reliably, but for high-current accessories (electric brakes, winches, auxiliary power) you may need a separate powered or 7-way wiring solution to supply dedicated power and braking control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeant for lighting circuits and basic trailer connectivity\u003c\/li\u003e\n  \u003cli\u003eNot engineered for heavy-duty power delivery to accessories or brake controllers\u003c\/li\u003e\n  \u003cli\u003eConsider a 7-way or powered converter for electric brakes or high-draw devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CURT 55325 is ideal for owners of compatible Ford Ranger and Mazda B-series trucks who want a clean, factory-like trailer wiring solution without modifying factory wiring. It suits weekend boat or utility trailers and drivers who prefer a quick plug-in installation and OEM-style reliability; if you plan to tow trailers requiring electric brakes or high-power accessories, look for a powered or multi-pin option instead.\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 the CURT 55325 require splicing into my truck wiring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — it uses vehicle-specific OEM-style plugs that install at the taillight assembly without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this harness for electric trailer brakes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the 4-way provides lighting circuits only; electric brakes require a 7-way or separate brake controller wiring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":48084044546206,"sku":"B0009I5WU6","price":72.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/curt-55325-front-view-connector-and-wiring.jpg?v=1785844591","url":"https:\/\/northtrailauto.ca\/products\/curt-4-way-trailer-wiring-harness-for-ford-ranger-mazda-b-series-vehicle-side-plug-in-55325-with-dust-cover","provider":"North Trail Auto","version":"1.0","type":"link"}