This is the New 72199-1 Light Harness Kit. It comes with Harnesses # 72198-1 & 69793-1 for the new 2019 Chevy 1500 , 2500 and 3500. This one has the new sealed relays for better performance.Â
2019 comes in new and old body styles. You can determine which it is by the truck's model number. K10 is the new style and K15 would be the old 2018 body.Â