Audi A4 Wiring Diagram 1998 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 ← Audi A4 Service Wiring Harness Audi A4 Wiring Diagram → Share with friends Link copied