[PDF] FOREWORD - Toyota-Tech FOREWORD This manual has been prepared for use when performing terminal repairs, wire repairs, or connector connector illustrations, part numbers, and notes on terminal removal. By using this guide, a satisfactory repair of the wiring harness and connectors in Toyota vehicles will be easy to achieve. All information in this manual is based Toyota Wiring Harness Connectors: Amazon Installing the wiring harness was a breeze in my 2011 Sequoia (which came pre-wired with the factory tow package). The plug was found right behind the drivers side kick panel as others have noted. The length was sufficient for me to install the Tekonsha P3 on the lower dash right of the steering column.