All Club Car Precedent Light Kits include a Plug and Play Wire Harness which allows easy installation of accessories, at any time. Injection molded plastic bumper. 12V-48V operation for Gas 04+ and Electric 04-08.5. High/Low Beam compatible LED headlights. Voltage Reducer (VOLT-2000 or VOLT-2001) recommended if installing accessories on electric carts. Kit Includes: Light Bar Bumper Kit: LED Headlights/LED Taillights. Plug and Play Wire Harness, Fuse Harness and Gas Harness Installation Instructions and Hardware. Stainless steel mounting screws. How to Determine Precedent Model Year:Locate the Tow/Run Switch under the seat bottom. For carts 04-08.5, the Tow/Run Switch is in the center of the batteries. For carts 08.5+, the Tow/Run Switch is at the rear of the battery bucket.