If you are looking to make the rear fog in your A4/S4 functional after replacing the tail lights, the first step in your conversion is a new switch.
This rear fog compatible headlight switch from Genuine VW/Audi will get you on your way to getting that rear fog functional. A direct fit replacement for your stock unit, this switch will control side lights, head lights, front and rear fogs. A great way to give your vehicle a custom European look without rear fogs.
If you need help installing this rear fog compatible switch or getting it to function, browse through the wealth of information in online enthusiast forums for DIYs and picture walkthroughs.
This Part Fits the Following Vehicles
|Audi||B6 A4||FWD||V6 30v|
|Audi||B6 A4||Quattro||V6 30v|
|Audi||B7 A4||Quattro||V6 3.2L|