The parts for the blower assembly come attached to a piece of sprue, and you need to cut them loose. Make sure you cut the sprue as close to the part as possible. If you don’t, the parts will have small tabs sticking off them that can catch things, like a rag when you wipe your vehicle off, and they don’t look realistic. When you cut off the chrome parts, you’ll expose the black plastic below the chrome itself and that will have to be touched up. A silver marker is all you need to get the job done. Just touch the tip to the spot and the black will be hidden.
A dab of a silver marker is all you need to hide the black plastic in the areas where you cut the parts off the sprue.