Putco 290105T Silver SwitchBack G3 LED Dayliner Kit for Chevrolet Silverado Operates with your vehicle's daytime running lights and turn signals White LEDs are illuminated during the running light function Amber LEDs flash in sync with factory lights when the turn signal is engaged Apply via pre-applied 3M automotive tape directly to the outside of the headlamp of your vehicle Each kit includes one pair of day liners, wiring harness and application specific installation instructions