Our 3rd Brake LED Lights install just like the factory ones do , there might be a slight modification needed to make it work in some cases only that all depends on the year the car was manufactured, you may have to reverse polarity on the connector of the 3rd brake light, no cutting or welding a simple swap of the wiring, details are available on the installation instructions. SUPER BRIGHT LEDS - Super Bring LED lights compared to the OE light. 100% brand new and guarantee high quality. We use the unique design of LED lamp beads to shine brightly on rainy days, foggy days, and snow to bring you safer driving. 3rd Brake Light Provide both a dazzling look and outstanding illumination to the back of your car. If your car has cruise control (M454 option), you may need to install in line resistor (50W 6RJ) - this resistor is included in our kit too. Deleted your rear factory 3rd brake High Mount and install Top mounted LED Third brake for yous car. This rear LED Third brake lights arrived like shown in the photo.