Porsche Boxster 986 facelift (2002-2004) stoplight switch (on brake pedal, below floor panel) Wiring diagrams

31 15 CAN LOW CAN HIGH 36 37 CAN HIGH CAN LOW ABS CONTROL UNIT (ON LEFT SIDE OF FRONT LUGGAGE COMPT) AHVAC CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLS OPEN BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE CAN LOW CURRENT DISTRIBUTOR DIAGNOSIS CONNECTOR (BELOW LEFT SIDE OF DASH) DIAGNOSIS LF SPEED SENS LR SPEED SENS ESO ESO REAR ESO RL FUSE FUSE HOLDER GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER J/C LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LF SPEED SENS GND LR SPEED SENS GND RR SPEED SENS GND RR SPEED SENS BLS CLOSE MFI-DI CONTROL UNIT (ON LEFT SIDE OF ENGINE COMPT) NCA WIRE ORG/BLU WIRE PARK BRAKE PARKING BRAKE SWITCH RED/BLU WIRE RED/PNK WIRE RF SPEED SENS GND RF SPEED SENS RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) TERM 15 CAN HIGH TERM 31 TERM 30 WHT WIRE WHT/BLK WIRE WHT/BRN WIRE

1 2 3 TERM 31 TERM 30 PRE-CHARGE PUMP 31 15 CAN LOW CAN HIGH 36 37 CAN HIGH CAN LOW AHVAC CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) AY SENSOR BLK WIRE BLK/BRN WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE FLUID LVL BLS OPEN PARK BRAKE U+ SENSORS CAN LOW DRSS DGU BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE CURRENT DISTRIBUTOR DIAGNOSIS CONNECTOR (BELOW LEFT SIDE OF DASH) ESO ESO REAR FUSE FUSE HOLDER GRY/BLK WIRE GRY/BLU/BRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER J/C LEFT REAR SPEED SENSOR LEFT FRONT SPEED SENSOR MFI-DI CONTROL UNIT (ON LEFT SIDE OF ENGINE COMPT) NCA WIRE ORG/BLU WIRE PARKING BRAKE SWITCH PRE- CHARGE PUMP PRE-CHARGING PUMP PRESSURE SENSOR PSM SWITCH RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/PNK WIRE RF SPEED SENS GND RF SPEED SENS ABS SILA PSM PALA ESO REAR PSM ON GND RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR STEERING ANGLE SENSOR STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/PNK WIRE YEL/BLU WIRE

17 4 1 RESUME SET/ACCEL CRUISE OFF 25 8 10 24 THROTTLE VLV GND THROTTLE VLV SIG 7 8 9 12 13 14 1 PDL VALUE SENS 1 GND PDL VALUE SENS 1 SIG 7 9 THROTTLE VLV MTR (+) THROTTLE VLV MTR (-) ABS ABS CONTROL UNIT OR PSM CONTROL UNIT BLK WIRE BLK/RED WIRE BLU WIRE BRN/YEL WIRE CRUISE CNTL CLUTCH SW CRUISE CONTROL CLUTCH SWITCH (AT CLUTCH PEDAL) CRUISE CONTROL SWITCH FUSE FUSE HOLDER GRN/BLK WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HOT IN RUN OR START INSTRUMENT CLUSTER J/C (BS 14/2) MFI-DI CONTROL UNIT (ON LEFT SIDE OF ENGINE COMPT) NCA WIRE PDL VALUE SENS 2 GND PDL VALUE SENS 2 SIG PSM RED/VIO WIRE STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) THROTTLE VALVE POTENTIOMETER (ON THROTTLE VALVE ASSEMBLY) THROTTLE VLV SIG YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

3 4 CAN LOW CAN HIGH 86 85 2 CAN HIGH CAN LOW SHIFTLOCK BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE FUSE HOLDER B GRY/WHT WIRE HOT IN RUN OR START FUSE J/C LIFTING SWITCH (ON GEARBOX) MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE P/N LOCK MAGNET P/N RELEASE PNK WIRE PNK/BRN WIRE PRESS CNTL RED/BRN WIRE SELECTOR LEVER SWITCH STOPLIGHT SW 1 STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) SW LIFTING TIPTRONIC TRANSMISSION CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLK/ORG WIRE BLU/BLK WIRE BLU/PNK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT ADJUSTMENT CAMSHAFT SENSOR 1 (ON REAR OF RIGHT CYL HEAD) CAMSHAFT SENSOR 2 (ON FRONT OF LEFT CYL HEAD) CLUTCH INTERLOCK SWITCH ENGINE SPEED SENSOR (ON REAR OF ENGINE, RIGHT OF CRANKSHAFT) ENGINE TEMPERATURE SENSOR (ON RIGHT SIDE OF ENGINE) FILLER NECK VALVE SWITCH FRESH AIR VALVE FUEL TANK VENTING VALVE (NEAR THROTTLE BODY) INTAKE PIPE CHANGE- OVER VALVE FUSE FUSE FUSE FUSE HOLDER B (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) FUSE HOLDER E (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) GRN/RED WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START J/C MAXI FUSE NCA WIRE ORVR VALVE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RELAY SUPPORT 2 (ON LEFT SIDE OF REAR LUGGAGE COMPT) SECONDARY AIR PUMP MOTOR (AT RIGHT SIDE OF ENGINE COMPT) SECONDARY AIR VALVE STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) THROTTLE VALVE (ON THROTTLE VALVE ASSEMBLY) VIO WIRE VIO/GRN WIRE WHT WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/ORG WIRE BLU/BLK WIRE BLU/PNK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT ADJUSTMENT CAMSHAFT SENSOR 1 (ON REAR OF RIGHT CYL HEAD) CAMSHAFT SENSOR 2 (ON FRONT OF LEFT CYL HEAD) CLUTCH INTERLOCK SWITCH ENGINE SPEED SENSOR (ON REAR OF ENGINE, RIGHT OF CRANKSHAFT) ENGINE TEMPERATURE SENSOR (ON RIGHT SIDE OF ENGINE) FILLER NECK VALVE SWITCH FRESH AIR VALVE FUEL TANK VENTING VALVE (NEAR THROTTLE BODY) INTAKE PIPE CHANGE- OVER VALVE FUSE FUSE FUSE FUSE HOLDER B (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) FUSE HOLDER E (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) GRN/RED WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START J/C MAXI FUSE NCA WIRE ORVR VALVE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RELAY SUPPORT 2 (ON LEFT SIDE OF REAR LUGGAGE COMPT) SECONDARY AIR PUMP MOTOR (AT RIGHT SIDE OF ENGINE COMPT) SECONDARY AIR VALVE STOPLIGHT SWITCH (ON BRAKE PEDAL, BELOW FLOOR PANEL) THROTTLE VALVE (ON THROTTLE VALVE ASSEMBLY) VIO WIRE VIO/GRN WIRE WHT WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE