Tekonsha Trailer Brake Controller Harness, Compatible with Select Lexus GX460, GX470, LX470, LX570 :
Amazon Product Link: http://amazon.com/dp/B004WLL0OI/?tag=nhu68-20

Tekonsha 3040 Brake Control Wiring Adapter; 2 Plugs;
Our 2-Plug units are designed for brake controls that have a wiring port built into the back of the unit. Simply plug the brake control end of the wiring harness into the back of the brake control and the vehicle end into the automobile's port. Brake controls that utilize the 2-plug style of wiring harness will be identified with the Plug & Play logo.

Top reviews from the United States
Plug and play
Purchased this harness for my 2007 Toyota Sequoia worked as described. Removed the left kick panel and plugged into factoryharness, zero splicing required.