first off I hate folks who mod their lighting so much it blinds me. I think the yellowness of turn signals help turn signals stand out more. Lots of flashing white turn signals will make it look like you're flashing your hi beams and one is burned outI tend to think of using relays because you can get them lots of places and they aren't that hard to wire up, but there are more elegant ways to do it. Here is one such non-elegant way that would involve just messing with wires in each front corner of the car. "works on paper", if it doesn't work in real life, well, glad its not my car, and I'm not liable for any equipment damage, or for any civil or criminal repercussions of doing such a thing. two relays per fog lampOne issue is that in my Vibe, the flasher is current sensing, so that if one turn signal bulb burns out, the flasher flashes faster, to let you know. No idea how powering an extra lamp will affect it. Would be better to just use the turn signal to control the lamp, not to actually power it, but I didn't think you'd want to run an extra 12V always hot wire down there. Also, when the fogs are off, they would flash in synch with the normal turn signal, but when the fog lamps are on, they would flash out of sync with the normal turn signal. Probably a way to cure that.( NO means normally open, NC normally closed. Put voltage on the coil, the relay clicks, disconnects the NC, connects up to the NO)
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