Porsche Boxster 987 (2004-2006) (below left seat) Wiring diagrams

1 2 3 4 PUMP MOTOR RETURN E BATT ENG RELAY RELAY VALVE GND 5 4 BRAKE PAID WEAR - BRAKE PAID WEAR + 5 6 7 8 LF DS LR DS RR DS BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRAKE PEDAL SWITCH (ON BRAKE PEDAL LINKAGE) BRALE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRN GRY/ WIRE BRN WIRE BRN/ GRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BS+ CAN HIGH DRIVE PARK BRAKE SW DRST CAN LOW DRIVE GND DRSS BRAKE FLUID LEVEL DRSR LR ESO AY COMPUTER DATA LINES CONNECTOR COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR (UNDER RIGHT SIDE OF DASH) FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER C (BEHIND LEFT KICK PANEL, ON FUSES SUPPORT) GP PSM (AT FRONT LEFT SIDE OF LUGGAGE COMPT) GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT BRAKE PAD WEAR/ SPEED SENSOR LEFT REAR BRAKE PAD WEAR/ SPEED SENSOR LF DP LR DS +CU RR DS STOP LT SW + PASSIVE PSM SW MODULE SWITCH NCA WIRE ORG/ WIRE ORG/BLU WIRE PARK BRAKE SWITCH (AT BASE OF HAND BRAKE LEVER) PASSIVE PSM LAMP PSM SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT BRAKE PAD WEAR/ SPEED SENSOR RIGHT REAR BRAKE PAD WEAR/ SPEED SENSOR SPEED SENSOR SPEED SENSOR WEAR SENSOR WEAR SENSOR (BEHIND LEFT SIDE OF DASH) WEAR SENSOR SPEED SENSOR WHEEL SPEED SENS WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

ALARM HORN ALARM SIREN (ON LEFT SIDE OF FRONT LUGGAGE COMPT) ANTENNA (NAVIGATION) ANTENNA (RADIO) ANTENNA ALARM ANTENNA ALARM SHIELD BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY COMPUTER SYSTEM BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN DRIVE HIGH CAN DRIVE LOW CAN COMFORT HIGH CAN COMFORT LOW CLS ALARM OUT COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP UNLOCK MICROSWITCH CURRENT DISTRIBUTOR ELECTRONIC IGNITION LOCK EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY FUSE FUSE HOLDER B (ON FUSE SUPPORT) FUSE GROUND GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INTERIOR SENSOR (IN CENTER CONSOLE) INTERIOR SENSOR ALARM SIREN TILT SENSOR MICRO SW LOCKING ALARM HORN NCA WIRE ORG/ WIRE PAS (DRIVER'S RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM POWER DISTRIBUTION SYSTEM A/C SYSTEM STEERING WHEEL LOCK SUPPLEMENTAL RESTRAINT SYSTEM SUPPLY GROUND SERIAL DATA TERM 30 TERM 31 DATA N.C. TERM 50 DIAG TERM 15 DIAG TERM 75 ACT LOW TERM 30 TERM 31_1 TERM 15 START TILT SENSOR (UNDER REAR OF CENTER CONSOLE) TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

17 22 BATT (RIGHT) BACK-UP LIGHT 2 8 11 CAN HIGH CAN LOW GND 3 6 42 BATT GND GND 37 38 40 CAN HIGH CAN LOW BACK-UP LIGHT SWITCH A/T M/T BACK- UP LIGHT BACK-UP LIGHT SWITCH (ON TOP RIGHT OF TRANS- MISSION) BATT (LEFT) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 EMERGENCY POWER SUPPLY RELAY 2 FUSE FUSE HOLDER A (ON FUSE SUPPORT, UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE HOT AT ALL TIMES LEFT TAILLIGHT ASSEMBLY BACK- UP LIGHT NCA WIRE ONBOARD NETWORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) PARKING ASSISTANT CONTROL UNIT (UNDER LEFT SEAT) POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT TAILLIGHT ASSEMBLY YEL WIRE

2 5 CAN HIGH R SIDE MARKER LIGHT 4 7 11 14 L SIDE TURN/MARKER SPLY CAN LOW LR TURN SIG HAZARD IND LT 6 9 17 STOP LIGHT SW LICENSE PLATE BATT (RIGHT) 8 10 11 CAN LOW REAR FOG LIGHT GND BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAKE PEDAL SWITCH (ON BRAKE PEDAL LINKAGE) BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUNCTION LIGHT FUSE FUSE FUSE HOLDER C (ON FUSE SUPPORT, UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED ILLUM LIGHT LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL/ MARKER LIGHT ORG/ WIRE PAS (DRIVER RECOGNITION) CONTROL UNIT (AT RIGHT KICK PANEL) STOP LIGHT SW REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL/ MARKER LIGHT SIDE MARKER LIGHT TURN SIGNAL LIGHT TURN SIGNAL LIGHT/ SIDE MARKER LIGHT WHT WIRE WHT/ORG WIRE YEL WIRE YEL/BLK WIRE

A/C COMPRESSOR RELAY IGNITION COIL 1 IGNITION COIL 2 AIR BAG CONTROL UNIT BELT LOCK BRN WIRE CONDENSER CONVERTIBLE TOP TRANSMISSION COOLING WATER LEVEL SWITCH LEFT LICENSE PLATE LIGHT DRIVE SPOILER DRIVER'S SIDE AIR BAG SENSOR ELECTRICAL STATIC DISCHARGE EMERGENCY POWER SUPPLY RELAY 1 EMERGENCY POWER SUPPLY RELAY 2 FRONT LUGGAGE/ REAR ENGINE COMPARTMENT HOOD SWITCH GP AIR BAG (UNDER CENTER CONSOLE) HIGH MOUNT STOP LIGHT IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 LEFT DOOR CONTROL UNIT LEFT FRONT SENSOR LEFT POWER SEAT CONTROL UNIT LEFT POWER SEAT SWITCH LEFT REAR BRAKE PAD WEAR CONTACT/SPEED SENSOR LEFT TAIL LIGHT ASSEMBLY RIGHT TAIL LIGHT ASSEMBLY LICENSE PLATE LIGHT LICENSE PLATE LIGHT NCA WIRE PARKING ASSISTANT CONTROL UNIT PASSENGER AIR BAG OFF PASSENGER'S SIDE AIR BAG SENSOR PUMP MOTOR REAR CONTROL UNIT REAR HOOD LOCK MICROSWITCH RIGHT FRONT SENSOR RIGHT LICENSE PLATE LIGHT SEAT CUSHIONS HEATING ELEMENT SEAT SIDE PAD LEFT HEATING ELEMENT SECONDARY AIR PUMP REAR MAXI FUSE TAILGATE UNLOCK DRIVE TO LEFT DOOR TO RIGHT DOOR TO LEFT SEAT TO RIGHT SEAT VALVE BLOCK + W/ PARKING ASSISTANT W/O PARKING ASSISTANT WEIGHT RECOGNITION WHT WIRE YEL WIRE

12 15 MIRROR HEATING + MIRROR HEATING - 4 5 CAN HIGH COMFORT CAN LOW COMFORT 5 6 MIRROR HEATER + MIRROR HEATING - BLK WIRE BLK/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL UNIT DRIVER'S MIRROR CONTROL UNIT FUSE HOT AT ALL TIMES PASSENGER'S DOOR CONTROL UNIT PASSENGER'S MIRROR CONTROL UNIT RED/GRN WIRE RED/WHT WIRE TERM 30 POWER WINDOW TERM 31 WHT/GRN WIRE YEL WIRE

31 32 21 CAN HIGH DISPLAY CAN LOW DISPLAY DIM LED 35 38 IGNITION (POS II/III) LOW BEAM SW 5 35 37 38 SW INSIDE LT (BATT) INSIDE LT TERMINAL CAN HIGH CAN LOW 6 7 15 29 FRT LUGG COMPT LT CAN LOW CAN HIGH SIDE MARKER LT SW ASTRAY LIGHT BLK WIRE BLK/BLU WIRE BLK/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CENTRAL LOCKING SWITCH CIGAR LIGHTER COMPUTER DATA LINES CONNECTOR COMPUTER DATA LINES SYSTEM DAMPTRONIC SW ILLUM FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FRONT HOOD REAR HOOD FRONT LUGGAGE COMPARTMENT LIGHT FRONT LUGGAGE COMPARTMENT LOCK MICRO- SWITCH (FRONT OF FRONT LUGGAGE COMPT) FRONT LUGGAGE/ REAR ENGINE COMPARTMENT HOOD SWITCH FRT LUGG COMPT SW GRN/ORG WIRE GRY WIRE GRY/RED WIRE HAZARD WARNING SWITCH HEADLIGHTS SYSTEM HOME LINK SWITCH 2 HOT W/ TERM 15 RELAY ENERGIZED ILLUM INSTRUMENT CLUSTER LIGHT SWITCH MIDDLE AIR FLOW LIGHTS ONBOARD NET WORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) PSM SW ILLUM RED WIRE RIGHT PASSENGER AIR FLOW LIGHTS SPOILER SW ILLUM SPORT EXHAUST FLAP SW ILLUM SPORT SW ILLUM SWITCH MODULE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 BATT GND BATT (ELECTRONIC) BACKREST BLK WIRE BLK/PNK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAN COMFORT HIGH CAN COMFORT LOW GND (ELECTRONIC) COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE LEFT POWER SEAT CONTROL UNIT (UNDER LEFT SEAT) LUMBAR DISTANCE MEASUREMENT SENSOR (AIR CHAMBER ABOVE) LUMBAR DISTANCE MEASUREMENT SENSOR (AIR CHAMBER BELOW) LUMBAR PUMP MOTOR NCA WIRE OFF ON BACKREST LUMBAR VALVE BLOCK OFF ON SEAT ON OFF ON OFF SEAT BACKREST VALVE BLOCK PUMP MOTOR RED WIRE RED/BLK WIRE RED/GRN WIRE SEAT WIDTH ADJUSTMENT SWITCH SEAT) VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PINS 19-28 NOT USED SPEAKER 1 2 3 4 5 6 7 8 9 10 11 12 SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SENSORS + 2 1 3 SIGNAL 2 3 1 SIGNAL BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BRIDGE PLUG BRN WIRE BRN/BLK WIRE DIAGNOSIS DIAGNOSIS CONNECTOR (BELOW LEFT SIDE OF DASH) GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT W/ TERM 15 RELAY ENERGIZED INSTRUMENT CLUSTER ORG/ WIRE ORG/BLU WIRE PARK ASSIST INPUT PARKING ASSISTANT CONTROL UNIT (UNDER LEFT SEAT) RED/GRY WIRE REVERSE SIG SENSORS GND SIGNAL TERM 15 TERM 31 ULTRASONIC SENSOR 1 (RIGHT REAR) ULTRASONIC SENSOR 2 (MIDDLE RIGHT REAR) ULTRASONIC SENSOR 3 (MIDDLE LEFT REAR) ULTRASONIC SENSOR 4 (LEFT REAR)

ACTIVE BODY SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM POWER TOPS SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BODY COMPUTER SYSTEM (ON-BOARD COMPUTER CIRCUIT) EXTERIOR LIGHTS SYSTEM BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CONVERTIBLE TOP CLOSED MICRO SW CAN COMFORT LOW CONVERTIBLE TOP LOCKING MICRO SW CLS ALARM FUSE FUSE HOLDER A (ON FUSES SUPPORT) FUSE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM POWER TOPS SYSTEM POWER TOPS SYSTEM ANTI-THEFT SYSTEM ACTIVE BODY SYSTEM POWER TOPS SYSTEM COMPUTER DATA LINES SYSTEM POWER TOPS SYSTEM DOOR LOCKS SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) REAR FOG LIGHT TERM 31 ALARM-HORN RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RIGHT SIDE MARKER LIGHT TERM 15 ENERGENCY LIGHT LICENSE PLATE LIGHTING WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE