NOTE: If your cart is 48v or 36v, you must need a 48V-12V or 36V-12V reducer, if not, the led light will be burnt out(voltage reducer is NOT INCLUDED), AS ours are the LED headlight and tail light which are bright enough, so the turn singal does not with the function of high beamplease noted it. Make your cart has turn signal, horn,hazard flashing, brake lights etc. Upgrade harness with controller, instruction, column cover, brake pad,clamps,horn, controller box(with flash function) included. All models of LED light kit we are selling as premium set that will upgrade harness, with the upgrade kit, your cart will have turn signal, horn,hazard flashing, brake lights etc. This kit is connected to the light unit via a 9-pin plugIf your original lamp is not a 9-pin plug, refer to the wiring diagram on the rightIt is not recommended to purchase this lamp kit if you confirm that you are not able to modify the line yourselfPlease feel free to contact us if you have an