Audi A4 B8 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 ← 0-10v Dimming 1941 Cadillac Wiring Diagram → Share with friends Link copied