[Guido]

please help peeps
Behind the factory fog light button theres a harness for the switch and it has 4 wires into it colors are: grey, orange, green, and Black/White...Would anyone know which is the ground and which is the power??? Hope someone can help thnx...

 

[JPMX6GT]

if anything you can get a 12V light tester (~$3) and test it yourself. If anything I would guess that the white/black wire is the ground, don't quote me on that.