This will allow your day time running lights to function at night while your headlights are on. Your day time running lights will function normal during day light. With the DRL Harness Adapter installed DRL lights will be on at night when the headlights are also on. This is a plug and play product for your so you will not need to modify or alter your factory wiring harness. The adapter utilizes internal diodes to prevent any problems. You only need one plug and play harness for both day time running lights. THIS WILL FIT ALL 2010-2013 'S With package (does not work for 2012-2013 ) Colour: Black Material: ABS Package Contents: 1* Fog Light Adapter Harness Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.