Are yellow fog lights legal in the United States?
Yes, as noted in the previous Q&A; text, many manufacturers have yellow fog lights as original equipment on their vehicles. The NHTSA is fine with yellow fog lights; it’s when you start playing around with the color of your primary headlights that they get irritable. Just make sure you get the same wattage, amps, lumens, etc. as the OEM clear bulbs you’re replacing – you can’t have any kind of lights on your car that are too bright for other motorists, whether those are headlights, fog lights, etc. Q: Is it hard to swap out the bulbs as opposed to just getting replacement lens covers? A: Sometime the degree of difficulty is pretty high; sometimes it isn’t. It depends on the OEM light module assembly. I pay a mechanic to swap mine out because I am dangerous with tools in my hands. Make sure the bulbs match up in terms of technical specifications. Q: Where do I get the yellow bulbs? A: Hella, Bosch, PIAA, Marchal, Lucas, etc. – most of the aftermarket vehicle lighting suppliers sell yell