Compatibility with 2009-2018 Dodge Ram trucks for upgrading original quad housing headlights to projector headlights. Includes two wiring harnesses for left and right side headlights. Designed to improve lighting effect and adapt to new projection headlights and LED turn signals. Installation requires testing headlight functionality before final assembly to avoid incorrect plug connections. Upgrading to LED projector headlights may cause dashboard error messages; using Alfaobd is recommended to enable LED lights and disable errors. This headlight conversion harness set is specifically designed for 2009-2018 Dodge Ram trucks, allowing you to upgrade from standard quad housing headlights to advanced projector headlights. The package includes two harnesses for easy installation on both the left and right sides. By enhancing your headlight system, you can significantly improve visibility and adapt to modern LED turn signals. Be sure to test the functionality of the headlights before final assembly to ensure proper connections and avoid any issues. Color: Black Material: ABS Package Contents: 2 x Headlight Conversion Harnesses Only the above package content, other products are not included. Note: Light reflection 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.