Audi S4 B7 (2004-2008) Brake wear sensor circuit

BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE FUSE 15 FUSE HOLDER HOT AT ALL TIMES IGNITION/ STARTER SWITCH INSTRUMENT CLUSTER KEY SWITCH LEFT FRONT BRAKE PAD WEAR SENSOR LOCK OFF NCA WIRE RED WIRE RED/BLU WIRE RIGHT FRONT BRAKE PAD WEAR SENSOR