I took out my fog light housings to change the bulbs and noticed something interesting. There are little gear-like dials on the housings, looks just like the ones on the headlight housings. Do they serve the same purpose as the ones on headlights? I just want to make sure before I screw up something. This is all on a 2k2 with stock lights.

 

I believe they do... but I haven't tried em yet... I have also heard that you have to turn em like crazy to get any change... lemme know if ya do mess with em and how it turns out...