2004 Audi A4 Wiring Diagram I need the wiring diagram for the ac fan module. audi a4 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 Check Details ← Electric House Wiring Basics Whole House Speaker Wiring → Share with friends Link copied