Originally Posted By: supton
Is it illegal to go with just fogs? I've been meaning to rewire the fogs that I added the truck, so that it would be fully separate control (I tapped the wrong control wire, and wound up with fogs that will only operate if low beam is on). But if it's illegal then I might not as well bother.
I have to say, I do like fogs in the Jetta, and when I got the truck I found some cheapo fogs to go into the bumper, to replace the ugly blockouts. Much lower than the headlights, so I sorta expect them to do something.
Haven't figured out how to do the Euro rear fog though...
Might vary depending on the state and I could be missing a specific US code but I had a long discussion with it to another Subbie owner.
Basically re-wiring you car so when you turn your factory-installed lights on, only the fog light come on is illegal (at least in NC) IF the fog lights are dependent on the headlamps. My subbie's fog lights are wired as a "slave" to the headlights so I cant only turn them on.
How, if you have a aftermarket foglamps that are completely independent from the vehicle's lights, then it could be legal (although some states might have some odd requirements). However, if your fog-lights are independent, you operate you car in inclement weather and your rear lights are not on, then you might be liable as if you did not have you lights on... might also apply if your state has a "headlights on when using wipers" law as we have in NC.
So if your fog lights are a slave to the headlamps, it is likely illegal (or you can't pass inspection etc). If they are independent, then it might be legal but you could still be found liable for breaking some other headlight use law or liable in an accident.
As for the spoiler, I bet the dealer installed it to get another $400+ out of an unsuspecting/lazy buyer.