Boss Part # MSC03809 - Joystick Control for V-Plow, Joystick Only is an OEM controller for your Boss v-plow such as the V-XT or DXT. This is the entire joystick controller, but wont include the joystick controller wiring harness, just the internal wiring coming off the controller itself. When you buy a new plow, you have the option to select between the more common hand held controller, and this joystick controller.