2004 Audi A4 Wiring Diagram Audi a4 diagram fan module wiring ac 75bc 9b98 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 ← Continental Cargo Trailer Wiring Diagram Wiring Diagram For Trailer Lights 4 Pin → Share with friends Link copied