Namz Custom Cycle Ready-to-Install Handlebar Extension Harness - +15in This is a professional wire extension set which includes color coded wires with male and female pins installed. These wires are designed to be inserted between the factory wiring harness and factory plug at the base of the handlebars. Used for extending the factory handlebar main wiring harness when adding taller handlebars. Electronic Throttle by Wire extensions must be purchased separately. Fits 2014 and Newer Harley-Davidson Electra Glide, Ultra Classic, Street Glide, Road Glide, Road King, 2012-2017 Dyna, 2011 and Newer Softail models.