BMW X3 E83 (2003-2006) brake light switch (under left side of dash) Wiring diagrams

21 7 4 5 16 6 18 K-BUS TERM 30 RPA SW LED DSC SW HDC SW GRD BLU WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR ENGINE COMPT) BRAKE LIGHT RR WHL SPD TERM 87 LR WHL SPD LF WHL SPD HDC MODE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM D CAN HIGH GROUND D CAN LOW TERM 30 DIGITAL MOTOR ELECTRONICS CONTROL UNIT DSC SENSOR DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR ENGINE COMPT) ENGINE ELECTRONICS FUSE CARRIER FUSE GRN WIRE GROUND GRY WIRE GRY/BLK/YEL WIRE HDC IND HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION (RIGHT SIDE OF DASH) FUSE HOT IN RUN, ACCY OR START HOT W/ DME RLY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LIGHT SWITCH CLUSTER LR SPD OUT WARN IND DIAG TXD RF WHL SPD RR WHL SPD LR WHL SPD LF WHL SPD NAVIGATION SYSTEM NCA WIRE PARK BRAKE SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR STEERING ANGLE SENSOR DSC TELEPHONE TRANSCEIVER VIO/YEL WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 GRD ADAPTIVE HEADLIGHT AUXILIARY BRAKE LIGHT BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRAKE/ BRN WIRE BRN/BLK WIRE BRN/GRY WIRE DIGITAL MOTOR ELECTRONICS CONTROL MODULE (LEFT REAR ENGINE COMPT) DIRECTION INDICATOR/ HIGH-BEAM SWITCH DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR ENGINE COMPT) EXTERIOR LIGHTS SYSTEM (BACK-UP LAMPS CIRCUIT) GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HDLT CNTRL LO BEAM PHOTO CELL INSTRUMENT CLUSTER CONTROL MODULE LEFT TAIL LIGHT LIGHT SWITCH CLUSTER LIGHT SWITCH UNIT NOISE SUPPRESSOR FILTER RED/BLU WIRE RED/VIO WIRE RIGHT TAIL LIGHT RR FOG LGHT PRLK LGHT FOG LGHT DIMMER TAIL TRAILER MODULE TRAILER SOCKET TRUNK LID PUSH- BUTTON/ LICENSE PLATE LIGHTS TURN VIO/YEL WIRE W/O RADIO WHT WIRE YEL/RED WIRE