headlamps

What have you guys used to get the yellow off of plastic car/truck headlamps? It's for my little commuter car that i don't wanna buy new lights for at 180+ each! They're to the point where it's tough to see at night. The corrosion appears to be on the outside of the lenses, which is good i...

What suggestions would you have? I want to get rid of the OEM lamps becuase they are getting yellowish and I want the style I see more now, very few defusers and clear lenses. Seems they'd give better light. At the same time I want to change the turn lens under it from the original amber to the...