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This Tekonsha T-One connector harness is custom-designed for the 2007-2012 GMC Acadia, plugging directly into the vehicle's factory wiring behind the taillight so you can add a standard 4-way flat trailer connector without cutting or splicing any wires.
Locate the factory harness connector behind the taillight, unplug it, and plug this T-Connector inline — it's built to bolt straight into your towing setup.
