Tekonsha T-One connector (also referred to as T-Connector) wiring harnesses are the fastest and easiest way to add an electrical connector to the back of your vehicle. These connectors are used to link the wiring from your vehicle to the trailer when towing. Tekonsha T-One connectors feature custom designs to fit each vehicle make and model based on manufacturer specifications. Plus, the Plug & Play connectors on the end of the wires make it easy to install. No cutting or splicing!

Tekonsha offers the largest, most complete line of T-One connectors. To install a Tekonsha T-One wiring harness, simply locate your vehicle's wiring harness connector typically behind the vehicle taillight - unplug the connection and insert the T-Connector into the vehicle's harness. It's that easy! So what are you waiting for? Hit the road with the peace of mind only Tekonsha can provide. Life's a Journey. Stop Often.

Custom Design: Tekonsha T-One T-Connector harnesses are designed to fit each make and model vehicle based on manufacturer specifications. Each harness has an industry standard 4-Way vehicle side plug end.

Easy Installation: No cutting or splicing required! Tekonsha T-One connectors are a DIYer’s dream. Easy to install, and easy to use. Follow the detailed vehicle specific instructions.

Superior Functionality: This wiring harness features solid, weather-proof construction that is designed to withstand the elements and stand the test of time.

Applications: This Tekonsha T-One Connector is designed to fit: 2004-2010 Toyota Sienna Tekonsha T-One T-Connector Custom Wiring Harness: Toyota Sienna