Audi A4 Wiring Diagram Audi a4 diagram fan module wiring ac 9b98 75bc I need the wiring diagram for the ac fan module. audi a4 I need the wiring diagram for the ac fan module. Audi a4 I need the wiring diagram for the ac fan module. Audi a4 Check Details ← Mazda 3 Stereo Wiring Diagram Honda Civic 2006 Ex Factory Radio Code → Share with friends Link copied