Just buy a used pair of lights if your that much of a wussy.
Use a dremel with cutting disk, go ahead and dremel lightly to make a guide all around the light.
Dremel till you can see inside the housing.
Use a tiny flat head pry apart.
Pull part housing, red lense, turn and reverse lenses
Scuff up housing with sand paper or scotchbrite
Prime and paint whatever color you want.
Install in reverse order
Before placing the clear cover back on
Place some 3m ribbon seal. Press tightly together. Reinstall screws.
Takes a few hours. But to make sure you let paint cure. They'll be apart for a couple days.