Supposed to use 2 different wattage bulbs in rear of my sled, so used 1 company brand for the brake and these for the tail, not sure if really needed the different wattages, the brake adds more light and you can tell it is applied either way. This sled has the lamps on the side in rear, nothing but reflector in the center, not sure whose bright idea that was. All of my gauge lights are out, one day will see if these will work for that or not, too cold to attempt install and the speedo doesn't woSee full review