Mercedes-Benz S-class W221 facelift (2009-2013) Intercom control module circuit

30 30 31 31 (+) (-) BLK WIRE BLK/WHT WIRE BRN WIRE EXTERNAL COMMUNICATION CONTROL MODULE FUSE 10 GRN WIRE HOT AT ALL TIMES INTERIOR SPEAKER LEFT OUTSIDE MIRROR MICROPHONE LEFT REAR FOOTWELL MICROPHONE SEPARATION POINT MIKRO + MIKRO + NCA WIRE ORG/ WIRE OUTSIDE SPEAKER RADIO MUTE CONNECTOR REAR FUSE BOX 1 RED WIRE RED/GRN WIRE RIGHT OUTSIDE MIRROR MICROPHONE WHT WIRE YEL WIRE YEL/WHT WIRE