Trail Tech S-8300-WK DC Wire Harness Kit for Stator Trail Tech's DC Wire Harness Kit for KTM is required for the following stator kits: SR-8310A, SR-8311, and SR-8311A Includes: Battery Tray, Wire Harness, and Light Switch A battery (battery replacement capacitor, or oem-sized electric start battery) is required to complete the High Output Lighting System Custom made by Trail Tech and manufactured with superior craftsmanship for serious riders Simple plug in stallation