{"product_id":"nilight-4-pin-trailer-wiring-harness-for-2016-2023-toyota-tacoma-4-flat-oem-fit-dust-cover-10a-fuse","title":"Nilight 4-Pin Trailer Wiring Harness for 2016–2023 Toyota Tacoma — 4-Flat OEM Fit, Dust Cover \u0026 10A Fuse","description":"\u003cstrong\u003eNilight 4 Pin Trailer Wiring Harness Kit 56349 is a vehicle-specific, plug-and-play 4-flat connector that gives 2016–2023 Toyota Tacoma owners a simple, OEM-compatible way to power trailer tail, turn and brake lights.\u003c\/strong\u003e\n\n\u003cp\u003eIf you tow occasionally or regularly with a Toyota Tacoma, this Nilight wiring harness adds a standardized 4-way flat trailer connector without cutting factory wiring. Designed to mate with the Tacoma's taillight harnesses, the kit installs quickly and stows neatly beneath the hitch. Included hardware and a dust cover help protect the connection from road grime and moisture so your trailer wiring remains reliable over time.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness connect to a 2016–2023 Toyota Tacoma?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses vehicle-specific, OEM-compatible plugs that attach directly to the factory wiring behind the driver and passenger taillight housings. No splicing or permanent modifications are needed, keeping factory wiring intact and simplifying installation or removal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit connectors for factory tail lamp harnesses\u003c\/li\u003e\n  \u003cli\u003ePlugs into locations behind both taillight housings\u003c\/li\u003e\n  \u003cli\u003eNo cutting, soldering, or permanent wire changes\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting screw and multiple zip ties for tidy routing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lighting functions and trailer types does the 4-pin connector support?\u003c\/h3\u003e\n\u003cp\u003eThe standard 4-flat connector transmits running lights, brake lights and turn signals. It’s ideal for light-duty trailers, cargo trailers, small utility trailers, and boat trailers that use combined signal circuits rather than separate brakes or auxiliary functions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFeeds tail\/running lights, left\/right turn signals, and brake lights\u003c\/li\u003e\n  \u003cli\u003eCompatible with most trailers using a 4-way flat plug\u003c\/li\u003e\n  \u003cli\u003eNot wired for trailer brakes or 12V auxiliary power feeds\u003c\/li\u003e\n  \u003cli\u003eConnector stows beneath the hitch when not in use for convenience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the Kit durable and weatherproof for outdoor use?\u003c\/h3\u003e\n\u003cp\u003eNilight includes a tight-fitting rubber dust cover and a rugged 4-pole connector to protect the contact points from dirt and water. Durable wiring and a 10A fuse provide basic circuit protection while the supplied routing hardware reduces stress and chafing during everyday driving and towing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRubber dust cover protects contacts from moisture and road debris\u003c\/li\u003e\n  \u003cli\u003e10A inline fuse included for circuit protection\u003c\/li\u003e\n  \u003cli\u003eExtensive battery connection wire for secure power routing\u003c\/li\u003e\n  \u003cli\u003eZip ties help keep harness away from heat and moving parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the Nilight 56349 package and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with the custom 4-pin harness, mounting hardware, routing supplies, and a fuse so you have everything required for a standard install. Most installations require only basic hand tools and take under an hour for someone comfortable with under-bumper routing and panel access.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom 4-pin trailer wiring harness (vehicle-specific)\u003c\/li\u003e\n  \u003cli\u003e9 zip ties, 1 screw, 10A fuse, and extensive battery connection wire\u003c\/li\u003e\n  \u003cli\u003eSimple hand tools (screwdriver, pliers, wrench) typically sufficient\u003c\/li\u003e\n  \u003cli\u003eInstructions recommend accessing wiring behind taillight housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Pickup owners with a 2016–2023 Toyota Tacoma who want a clean, reversible way to add standard trailer lighting. Ideal for drivers who tow light-duty trailers and prefer an OEM-compatible, no-cut installation with weather protection and included hardware for a tidy, reliable setup.\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: Will this harness fit my 2018 Toyota Tacoma?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Nilight 56349 harness is designed to fit Toyota Tacoma models from 2016 through 2023 with OEM-compatible connectors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to cut factory wires to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This is a plug-and-play harness that connects to existing taillight harnesses without cutting or splicing factory wiring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48079886811294,"sku":"B0D99KPL59","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-front-connector-and-packaging.jpg?v=1785774470","url":"https:\/\/northtrailauto.ca\/products\/nilight-4-pin-trailer-wiring-harness-for-2016-2023-toyota-tacoma-4-flat-oem-fit-dust-cover-10a-fuse","provider":"North Trail Auto","version":"1.0","type":"link"}