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Wiring a trailer usually means cutting into factory wires, but this harness skips that hassle. The Curt T-Connector plugs in line with the taillight wiring and gives you a 4-flat connector for running, turn, and brake lights. There’s no need to splice or modify anything—just plug it in and you’re ready to tow.
This harness is a passive type, meaning it doesn’t need a 12-volt power feed from the battery. The trailer lights get power directly through the vehicle’s existing wiring. It’s a simple setup that keeps installation clean and reduces extra wiring under the hood.
Some vehicles combine the stop and turn signals on the same circuit, and this harness is built for that. Because it doesn’t use a converter box, it ties directly into those combined circuits so your trailer lights work just like your vehicle’s lights.
Powered converters aren’t necessary for most setups, but bright lights still matter. Using LED trailer lights helps keep current draw low—about one-tenth of what incandescent bulbs need—so your truck’s lights stay bright while towing. It’s a reliable match for clean, consistent lighting performance every time you hook up.
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