Spyder PRO-YD-CDE00-HL-BK Black Projector Headlights Assembly (Sold in Pairs) This item will only fit GMC Sierra 1500/2500/3500 99-06 / GMC Sierra Denali 02-07 / GMC Yukon 00-06 / GMC Yukon Denali 01-06 All wiring for the headlights was preassembled for essential plug and play application, halo rim wires need to connect and do some simple wiring connection Some of the package includes light bulbs, for package which does not come with any light bulbs, you can apply the stock light bulbs for installation Installation instruction are not included, Highly recommend all the headlight to be reseal with silicon to reasure any future leak. Please verify fitment before purchasing this product, may not fit models or body styles not explicitly listed