{"product_id":"mecmo-4-pin-trailer-wiring-harness-56217-custom-fit-t-connector","title":"MECMO 4-Pin Trailer Wiring Harness 56217 - Custom Fit T-Connector","description":"\u003cp\u003eIn this review the MECMO 4-Pin Trailer Wiring Harness 56217 is evaluated for drivers who need a simple, vehicle-specific solution to connect a trailer's lights. The bottom line: this harness is for owners of 2008-2019 Toyota Highlander models and select Lexus RX models who want a true plug-and-play 4-way flat connector that installs quickly and keeps trailer lighting in sync with the vehicle. It stands out because it plugs into the factory pre-wired port behind the tail light for a neat, OEM-style connection.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom vehicle fit:\u003c\/strong\u003e Engineered specifically for 2008-2019 Toyota Highlander and compatible 2018-2022 Lexus RX350\/RX350L models, so it matches factory wiring locations for an easier install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation:\u003c\/strong\u003e The T-connector plugs directly into the factory pre-wired port behind the tail light, which reduces installation time and the need for splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4-pin trailer plug:\u003c\/strong\u003e Provides a common 4-way flat connection that powers tail lights, brake lights, and turn signals for safe towing with most small trailers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable materials:\u003c\/strong\u003e Uses heavy-duty bonded wire and tin-plated copper terminals to resist corrosion and maintain conductivity over time in automotive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective design:\u003c\/strong\u003e The trailer socket includes easy-grip tabs and a dust cover to keep terminals free of dirt and moisture when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis harness is best for Highlander owners (2008 through 2019) and owners of compatible Lexus RX models who want a factory-like, quick hookup for a 4-way flat trailer connector. It suits users who prefer a straightforward install behind the tail lamp without cutting or splicing factory wires.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of model years outside the listed range, such as some 2022 Highlander variants where fitment may differ, or anyone requiring a 7-pin or powered braking circuit, since this is a standard 4-pin lighting harness only.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTrue plug-and-play fit for specified Highlander and Lexus RX applications, cutting install time.\u003c\/li\u003e\n\u003cli\u003eReliable 4-way flat connection that syncs trailer tail, brake, and turn signals with the vehicle.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty bonded wire and tin-plated copper terminals improve longevity and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eProtective dust cover and easy-grip tabs keep the socket clean and easy to use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFitment is vehicle-specific; some customers report it may not work with certain 2022 Highlander models.\u003c\/li\u003e\n\u003cli\u003eDoes not provide a 7-pin or auxiliary power circuit for trailers that require brakes or charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eCustom 4-way flat trailer wiring harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible vehicles\u003c\/td\u003e\n\u003ctd\u003e2008-2019 Toyota Highlander; 2018-2022 Lexus RX350\/RX350L (excl. dual exhaust)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e4-pin flat T-connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty bonded wire with tin-plated copper terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective features\u003c\/td\u003e\n\u003ctd\u003eEasy-grip tabs and dust cover for socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003ePlug-and-play into factory pre-wired port behind tail light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe MECMO 4-Pin Trailer Wiring Harness 56217 is a practical, cost-effective choice for owners of the specified Highlander and Lexus RX models who need a simple lighting connection for towing. Its tailored fit and durable terminals deliver reliable operation and a tidy installation, making it good value for most light towing needs; just confirm exact model year compatibility before buying.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this harness work on my 2020 Highlander?\u003c\/strong\u003e\u003cbr\u003eIt is specified for 2008-2019 Highlander models; for 2020 and later you should verify fitment for your exact model year and trim before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this provide trailer brake or auxiliary power?\u003c\/strong\u003e\u003cbr\u003eNo, this is a standard 4-pin lighting harness and does not include a 7-pin brake or auxiliary power circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the installation difficult?\u003c\/strong\u003e\u003cbr\u003eNo, installation is plug-and-play: the T-connector plugs into the factory pre-wired port behind the tail light and typically takes under 30 minutes for someone comfortable accessing the tail lamp area.\u003c\/p\u003e","brand":"MECMO","offers":[{"title":"Default Title","offer_id":48252370157787,"sku":"B0B19FCZYJ","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71RfPjAsMXL._SL1500.jpg?v=1778300163","url":"https:\/\/gearmusthave.com\/products\/mecmo-4-pin-trailer-wiring-harness-56217-custom-fit-t-connector","provider":"GearMustHave","version":"1.0","type":"link"}