T-One Connector with Upgraded Circuit Protected ModuLite® HD Module (118648) by Tekonsha®. One-year warranty. T-One Connectors require no splicing of vehicle wires. Simply locate your vehicles wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle's harness. No special tools required. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging. From simple wiring connectors, to connectors and harness that lets you plug directly into your tow vehicle harness, to adapters that let your 3-wire car turn signals successfully operate your 2-wire trailer lights, Tekonsha have the electrical solutions for your towing needs.
The provided instruction was to the point. However, the black power cable to the battery were a little short if you follow the instruction recommended layout. I ran mine below the trunk carpet in order to tie in to the main unit black power cable. Otherwise, it was a good purchase.