The Baja Designs Fog Pocket kit is the perfect mix of high-quality on and off-road performance for your GMC Sierra 2500 & 3500. Available in Clear or Amber this kit utilizes the factory fog pocket location to pack two S1 lights on each side. This kit is controlled by the factory fog switch to operate the lower pair S1 lights. The upper pair of S1 lights are operated by your high beams. The included wiring harness is designed to be used in conjunction with factory light switches and sPOD / Switch Pros units. If you're looking to add not only safety but lighting performance this is your kit! US Patent Number 11273751.