{"product_id":"curt-4-way-flat-trailer-wiring-harness-for-select-toyota-sienna-vehicle-side-plug-and-play-oem-4-pin","title":"CURT 4-way Flat Trailer Wiring Harness for Select Toyota Sienna — Vehicle-side Plug-and-Play OEM 4-pin","description":"\u003cp\u003e\u003cstrong\u003eCURT 56261 is a vehicle-specific, plug-and-play 4-way flat trailer wiring harness that installs into select Toyota Sienna taillight assemblies to supply safe, OEM-compatible trailer lighting connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNot all Toyota Siennas come pre-wired for towing, and retrofitting a trailer connection can be messy without the right parts. The CURT 56261 offers a factory-style solution that uses OEM-compatible plugs to mate with the factory taillight sockets. It supplies a standard 4-way flat output for tail lights, brake lights and turn signals, includes a dust cover, and relies on surface-mount technology (SMT) circuitry for reliable operation and longer life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness install into my Toyota Sienna?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be quick and reversible because the harness uses vehicle-specific connectors that plug into the factory taillight wiring. No cutting, splicing, or soldering is required, which preserves the vehicle’s original wiring and simplifies removal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlugs directly into the taillight assembly using OEM-style connectors.\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting points and hardware for a tidy routing of the cable.\u003c\/li\u003e\n  \u003cli\u003e4-way flat socket mounts near the hitch for easy trailer hookup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lighting functions does the 4-way flat provide for my trailer?\u003c\/h3\u003e\n\u003cp\u003eThe 4-way flat supplies the essential trailer signals: tail\/running lights, left and right turn signals, and brake lights. It’s compatible with most small trailers, cargo carriers, and light-duty towing applications that require only basic lighting functions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTail\/running lights: continuous power for marker illumination.\u003c\/li\u003e\n  \u003cli\u003eBrake lights: stop lamp feed synchronized with vehicle brakes.\u003c\/li\u003e\n  \u003cli\u003eLeft\/right turn signals: dedicated circuits for directional signaling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features help the harness last and perform reliably?\u003c\/h3\u003e\n\u003cp\u003eCURT engineered this harness with durability and consistent electrical performance in mind. The integrated tail light converter and SMT circuitry protect against common wiring issues and improve long-term reliability compared with generic spliced kits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSurface-mount technology (SMT) circuitry resists vibration and corrosion.\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific molded connectors ensure secure OEM-style connections.\u003c\/li\u003e\n  \u003cli\u003eDust cover protects the 4-way socket from dirt and moisture when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this harness work with my Sienna model year and trim?\u003c\/h3\u003e\n\u003cp\u003eThis harness is built to fit specific Toyota Sienna model years—verify compatibility with the product application details before purchase. Because it uses factory-style connections, fitment is precise, avoiding common fit issues found with universal kits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for select Toyota Sienna years—check the CURT application chart.\u003c\/li\u003e\n  \u003cli\u003eNo vehicle wiring modifications required when matched to the correct model year.\u003c\/li\u003e\n  \u003cli\u003eSimple plug-in design makes it easy to swap or remove if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CURT 56261 is suited to Toyota Sienna owners who need a clean, factory-like trailer lighting hookup without modifying their vehicle’s wiring. It’s ideal for drivers towing small trailers, boats, or cargo carriers who want a durable, OEM-compatible solution that installs quickly and keeps the factory wiring intact.\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 Sienna’s wiring to install this?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The CURT 56261 uses vehicle-specific plugs that install without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this provide power for trailer brakes or reverse lights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This 4-way flat provides tail, brake and turn signals only; it does not supply trailer brake or reverse circuits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":48080244441246,"sku":"B00QMDY6BS","price":117.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/curt-56261-front-connector-view.jpg?v=1785780094","url":"https:\/\/northtrailauto.ca\/products\/curt-4-way-flat-trailer-wiring-harness-for-select-toyota-sienna-vehicle-side-plug-and-play-oem-4-pin","provider":"North Trail Auto","version":"1.0","type":"link"}