Harness needed for the following older Madjax part numbers for installation of ultimate upgrade. ClubCar DS - MJLK1001 E-Z-Go TXT - MJLK2000 E-Z-Go TXT Freedom Light Bar - MJLB2000 E-Z-Go RXV - MJLK2001 Yamaha DRIVE - MJLK3000 Yamaha G-Series - MJLK3001
