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Wiring for towing doesn’t have to mean cutting into factory wires. This Curt T-Connector plugs inline with the tail light connectors to give you a 4-pole flat trailer connector. It’s a mostly plug-in setup that keeps the job clean and simple, so you can get your trailer lights working without rewiring your vehicle.
The included powered converter routes the trailer lighting power through a dedicated 12V wire that runs to the vehicle battery. This design keeps the trailer load off the factory circuits so your car’s wiring stays safe from overloads or shorts. Even if the module loses power, your vehicle lights continue to work normally.
The harness uses a 12V hot lead that supplies direct power for the trailer lights. This helps ensure consistent brightness and dependable turn, brake, and running light signals even on longer wiring runs or with multiple lamps. It’s the same circuit used in testing by Curt for stable performance.
Running the black power wire is straightforward thanks to existing grommets and factory channels under the car. You can route it cleanly up the firewall and along existing wiring, securing it with zip ties and finishing with a fuse near the battery for easy access. The end result is a tidy install that looks built-in.
Once installed, you get a standard 4-flat connector that powers running lights, turn signals, and brake lights on most small and medium trailers. It’s durable and convenient for quick plug-ins whenever you’re ready to tow.
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