Audi A4 Door 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 ← Audi A4 Central Locking Wiring Diagram Audi A4 Exhaust System Diagram → Share with friends Link copied