{"product_id":"tekonsha-118712-t-one-connector-w-modulite-hd","title":"Tekonsha 118712 T-One Connector with ModuLite HD Module","description":"\u003cp class=\"nvn-hero\"\u003eThe Tekonsha 118712 T-One Connector Assembly gives you a clean, plug-in way to wire your trailer lights, backed by the upgraded circuit-protected ModuLite HD module. It taps your vehicle's factory harness, draws power straight from the battery, and puts out a standard 4-way flat connector. No cutting, no splicing, no guesswork.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eIf you've ever spent an afternoon under a dash chasing taillight wires with a test light, you'll appreciate what the Tekonsha 118712 is doing here. It's a T-One connector assembly, which means it plugs straight into a factory wiring connector on your vehicle. No cutting the harness. No splicing into taillight wires and hoping the color code is right. You find the plug, connect the T-One, and you're most of the way there.\u003c\/p\u003e\n\u003cp\u003eWhat sets this kit apart is the upgraded ModuLite HD module. A lot of basic trailer wiring just splices the trailer lights right onto your vehicle's light circuits. That works until you add a heavier load, and then you're stressing wiring that was never meant to carry it. The ModuLite HD is a powered converter instead. It pulls power directly from the vehicle battery and uses your factory light signals only as a trigger. Your trailer lights get their own clean power source, and your vehicle's original circuits stay protected.\u003c\/p\u003e\n\u003cp\u003eThat powered design matters more than it used to. Modern vehicles run sensitive lighting circuits, and a lot of trailers now run LED lamps that behave differently than old incandescent bulbs. Because the ModuLite HD supplies trailer power from the battery instead of piggybacking on the vehicle's bulbs, it plays nicely with both LED and incandescent trailer lighting and keeps the load off the factory circuits where it belongs.\u003c\/p\u003e\n\u003cp\u003eThe \"Circuit Protected\" part isn't marketing filler. The module has built-in circuit protection that guards against shorts and overloads, the kind of thing that happens when a trailer plug gets dunked, a bulb socket corrodes, or a wire chafes through on a bumpy launch ramp. Instead of frying the module or your truck's wiring, the protection does its job and keeps you out of trouble. That's the \"HD\" difference over a standard ModuLite.\u003c\/p\u003e\n\u003cp\u003eOn the trailer side, you get a standard 4-way flat connector. That covers your running lights, left and right turn signals, and brake lights, which is exactly what most single-axle utility trailers, small boat trailers, and cargo trailers run. It's the most common connector out there, so replacement plugs and adapters are easy to find at any parts counter.\u003c\/p\u003e\n\u003cp\u003eInstallation is genuinely straightforward for a T-One kit. Because it's designed to mate with a specific factory connector, the fit is vehicle-specific. That's the one thing to nail down before you buy: confirm that part number 118712 is the correct T-One assembly for your year, make, and model. Tekonsha builds different part numbers for different vehicles, and the whole plug-in advantage depends on matching the right one. Once you've verified the fit, most installs come down to locating the factory plug, connecting the T-One, and mounting the module in a dry spot.\u003c\/p\u003e\n\u003cp\u003eThe module housing is built to live under a vehicle, so it stands up to the weather, road spray, and temperature swings that come with towing. Mount it up out of direct water and away from anything that runs hot, run your 4-way flat back to the hitch, and you've got a tidy setup that looks factory rather than hacked together. It's the kind of install you can do in an afternoon and forget about for years.\u003c\/p\u003e\n\u003cp\u003eWho's this for? Anybody towing a trailer that needs reliable, protected lighting without butchering the vehicle harness. First-time trailer owner who wants a clean job? This is your kit. Seasoned hauler who's tired of replacing burned-out splice-in converters? The circuit-protected ModuLite HD is the upgrade you've been wanting. It's not a brake controller and it won't wire a trailer with electric brakes on its own, but for lighting duty it's about as solid as plug-in wiring gets.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eT-One connector plugs into a factory wiring connector, so there's no cutting, splicing, or soldering into your vehicle's taillight harness\u003c\/li\u003e\n  \u003cli\u003eUpgraded ModuLite HD module is a powered converter that draws current directly from the vehicle battery, isolating your factory circuits from the trailer load\u003c\/li\u003e\n  \u003cli\u003eBuilt-in circuit protection guards against shorts and overloads from corroded plugs, chafed wires, or a submerged connector\u003c\/li\u003e\n  \u003cli\u003eStandard 4-way flat trailer output handles running lights, left and right turn signals, and brake lights\u003c\/li\u003e\n  \u003cli\u003ePowered design works with both LED and incandescent trailer lighting and keeps the load off your factory circuits\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific fit means a clean, factory-style installation once you match part number 118712 to your vehicle\u003c\/li\u003e\n  \u003cli\u003eWeather-resistant module housing stands up to road spray, temperature swings, and under-vehicle mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Tekonsha reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is a T-One connector?\u003c\/summary\u003e\n    \u003cp\u003eIt's a wiring harness that plugs directly into an existing factory connector on your vehicle. There's no cutting or splicing into your taillight wires. You locate the matching plug, connect the T-One, and route the trailer connector back to the hitch.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow is the ModuLite HD different from basic trailer wiring?\u003c\/summary\u003e\n    \u003cp\u003eBasic wiring splices your trailer lights right onto the vehicle's light circuits. The ModuLite HD is a powered converter instead. It pulls power directly from the battery and uses your factory light signals only as a trigger, so the trailer load never stresses your vehicle's original wiring.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does 'Circuit Protected' mean on this module?\u003c\/summary\u003e\n    \u003cp\u003eThe module has built-in protection against shorts and overloads. If a trailer plug gets dunked, a socket corrodes, or a wire shorts out, the protection guards the module and your vehicle wiring instead of letting the fault do damage. That's the HD upgrade over a standard ModuLite.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat kind of trailer connector do I get?\u003c\/summary\u003e\n    \u003cp\u003eA standard 4-way flat connector. That gives you running lights, left and right turn signals, and brake lights, which covers most single-axle utility, cargo, and small boat trailers.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it work with LED trailer lights?\u003c\/summary\u003e\n    \u003cp\u003eYes. Because the module supplies trailer power from the battery instead of piggybacking on your vehicle's bulbs, it works with both LED and incandescent trailer lighting.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill this fit my vehicle?\u003c\/summary\u003e\n    \u003cp\u003eThe 118712 is a vehicle-specific T-One assembly, so it's built to match a particular factory connector. Confirm that part number 118712 is the correct T-One for your year, make, and model before ordering. Tekonsha builds different part numbers for different vehicles.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this include a brake controller for trailer brakes?\u003c\/summary\u003e\n    \u003cp\u003eNo. This kit handles trailer lighting through a 4-way flat connector. It doesn't operate electric trailer brakes and it isn't a brake controller. If your trailer has electric brakes, you'll need a separate controller and the wiring for it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need to splice into my vehicle's wiring?\u003c\/summary\u003e\n    \u003cp\u003eNo. The plug-in T-One design is the whole point. You connect it to the factory plug it's designed for, which keeps the install clean and reversible and avoids cutting your harness.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhere should I mount the module?\u003c\/summary\u003e\n    \u003cp\u003ePick a dry, protected spot up out of direct water spray and away from anything that runs hot, like exhaust components. The housing is weather-resistant for under-vehicle mounting, but keeping it out of standing water helps it last.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eTekonsha 118712 T-One Connector Assembly with Upgraded Circuit Protected ModuLite HD Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eTekonsha\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e118712\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e016118144734\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConnector Type\u003c\/th\u003e\n\u003ctd\u003eT-One (vehicle-specific plug-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConverter Module\u003c\/th\u003e\n\u003ctd\u003eCircuit Protected ModuLite HD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCircuit Protection\u003c\/th\u003e\n\u003ctd\u003eUpgraded, built-in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTrailer Connector Output\u003c\/th\u003e\n\u003ctd\u003e4-Way Flat\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003ePowered converter, draws from vehicle battery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWiring Functions\u003c\/th\u003e\n\u003ctd\u003eTail, Turn, Brake\/Stop\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003ePlug-in, no cutting or splicing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHousing\u003c\/th\u003e\n\u003ctd\u003eWeather-resistant, under-vehicle rated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eVehicle Fit\u003c\/th\u003e\n\u003ctd\u003eVehicle-specific, verify part number 118712 against year\/make\/model\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is a T-One connector?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a wiring harness that plugs directly into an existing factory connector on your vehicle. There's no cutting or splicing into your taillight wires. You locate the matching plug, connect the T-One, and route the trailer connector back to the hitch.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is the ModuLite HD different from basic trailer wiring?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Basic wiring splices your trailer lights right onto the vehicle's light circuits. The ModuLite HD is a powered converter instead. It pulls power directly from the battery and uses your factory light signals only as a trigger, so the trailer load never stresses your vehicle's original wiring.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does 'Circuit Protected' mean on this module?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The module has built-in protection against shorts and overloads. If a trailer plug gets dunked, a socket corrodes, or a wire shorts out, the protection guards the module and your vehicle wiring instead of letting the fault do damage. That's the HD upgrade over a standard ModuLite.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What kind of trailer connector do I get?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A standard 4-way flat connector. That gives you running lights, left and right turn signals, and brake lights, which covers most single-axle utility, cargo, and small boat trailers.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it work with LED trailer lights?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Because the module supplies trailer power from the battery instead of piggybacking on your vehicle's bulbs, it works with both LED and incandescent trailer lighting.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will this fit my vehicle?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The 118712 is a vehicle-specific T-One assembly, so it's built to match a particular factory connector. Confirm that part number 118712 is the correct T-One for your year, make, and model before ordering. Tekonsha builds different part numbers for different vehicles.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does this include a brake controller for trailer brakes?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This kit handles trailer lighting through a 4-way flat connector. It doesn't operate electric trailer brakes and it isn't a brake controller. If your trailer has electric brakes, you'll need a separate controller and the wiring for it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do I need to splice into my vehicle's wiring?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The plug-in T-One design is the whole point. 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The housing is weather-resistant for under-vehicle mounting, but keeping it out of standing water helps it last.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"TEKONSHA","offers":[{"title":"Default Title","offer_id":45060859854941,"sku":"2008517","price":105.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_1ae123b6-74eb-48e3-9a6e-e199867675fd.jpg?v=1789536113","url":"https:\/\/nvnmarine.com\/products\/tekonsha-118712-t-one-connector-w-modulite-hd","provider":"NVN Marine","version":"1.0","type":"link"}