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!
• Harnesses are designed to fit each make and model vehicle
• Each harness has an industry standard 4-Way vehicle side plug end
• No cutting or splicing required!
• Easy to install, and easy to use
• Follow the detailed vehicle specific instructions
• Features solid, weather-proof construction that is designed to withstand the elements
• This kit has a stop/turn capacity of 2.1 amps and a taillight capacity of 4.2 amps
• Applications: This Tekonsha T-One Connector is designed to fit: 2008-2019 Toyota Highlander
Before You Order
Verify your Highlander year and trailer connector type; compare lighting capacity and vehicle connection details with your towing setup before purchase.
Frequently Asked Questions
Which Highlander years are listed for this harness?
The source lists 2008-2019 Toyota Highlander applications.




