Honda S2000 AP1 (1999-2003) (left front of trunk) Wiring diagrams

BATTERY IGNITION BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE DISARM SWITCH DOOR OPEN IN TRUNK LATCH IN HOOD SWITCH IN DISARM SW IN COMM UNLOCK CTRL COMM DRIVER'S DOOR KEY CYLINDER SWITCH DRIVER'S DOOR LATCH EXTERIOR LIGHTS FUSE 26 FUSE 5 GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND SECURITY IND IGNITION KEY IN CEILING LIGHTS LIGHT FLASHER HORN CTRL HOOD SWITCH (OPTION) HORN SYSTEM HOT AT ALL TIMES HOT IN ON IGNITION KEY SWITCH INLINE FUSE 1 (UNDER LEFT SIDE OF DASH) INLINE FUSE 2 (UNDER LEFT SIDE OF DASH) INTERIOR LIGHTS KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) LATCH SWITCH TRUNK OPENER SOLENOID LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER'S DOOR LOCK ACTUATOR PASSENGER'S DOOR SWITCH DRIVER'S DOOR SWITCH PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SECURITY LED TRUNK LID LATCH TRUNK LID OPENER RELAY (UNDER DRIVER'S SEAT) TRUNK OPEN CTRL TRUNK RELEASE SYSTEM UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) UNLOCK RELAY (UNDER DRIVER'S SEAT) WARNING SYSTEM WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRAKE SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) COMBINATION SWITCH CRUISE CONTROL, ENGINE CONTROLS, ANTI-LOCK BRAKES SYSTEMS FUSE 23 FUSE 47 FUSE 49 FUSE 7 GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD WARNING SWITCH HEAD HEADLIGHT SWITCH HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT IN ON LEFT LEFT FRONT PARKING LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT REAR SIDE MARKER LIGHT LICENSE PLATE LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLIGHT/ BRAKE LIGHT LEFT TURN INDICATOR LIGHT MAIN UNDERHOOD FUSE/ RELAY BOX (RIGHT SIDE OF ENGINE COMPT) OFF PARK RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT SIDE TURN SIGNAL LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TAILLIGHT/ BRAKE LIGHT RIGHT TURN INDICATOR LIGHT TAILLIGHT RELAY TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD RELAY UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

ABS MODULATOR CONTROL UNIT AIR PUMP MOTOR BATTERY BLK WIRE BRAIDED WIRE BRAIDED WIRE BRAIDED WIRE BRN WIRE CKF SENSOR SHIELD CKP SENSOR DLC DRIVER'S SEAT BELT SWITCH TRUNK LATCH EPS CONTROL UNIT EPS GEAR BOX FUEL TANK UNIT GRN WIRE HIGH MOUNT BRAKE LIGHT ACCESSORY POWER SOCKET IAC VAVLE IGNITION COIL 1, IGNITION COIL 2, IGNITION COIL 3 IGNITION COIL 4 IMMOBILIZER RECEIVER UNIT KNOCK SENSOR SHIELD PRIMARY LEFT SIDE ENGINE BLOCK PGM-FI MAIN RELAY REAR WINDOW DEFOGGER SUB-HARNESS CONNECTOR RIGHT SIDE ENGINE BLOCK SECONDARY SHIELD SRS UNIT TDC 1 SENSOR SHIELD TDC 2 SENSOR SHIELD VEHICLE SPEED SENSOR VTEC OIL PRESSURE SWITCH YEL WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRN WIRE BRN/YEL WIRE ENGINE CONTROL MODULE (ECM) (UNDER LEFT SIDE OF DASH) ENGINE CONTROLS FUEL PUMP CTRL START IN IMMOB IND CTRL IMMOB CODE IN IMMOB ENABLE FUEL TANK UNIT FUEL PUMP FUSE 2 FUSE 21 FUSE 25 GAUGE ASSEMBLY GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN HOT IN ON IMMOBILIZER INDICATOR LIGHT IMMOBILIZER RECEIVER UNIT (UNDER LEFT SIDE OF DASH) J/C MAIN UNDERHOOD FUSE/RELAY BOX (ON RIGHT SIDE OF ENGINE COMPARTMENT) FUSE 46 ORG/ WIRE PGM-FI MAIN RELAY (UNDER LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) PNK WIRE PNK/BLU WIRE PWR INPUT PWR INPUT GROUND RED WIRE RED/BLU WIRE UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE SYSTEM INDICATOR LIGHT BRN/YEL WIRE CANADA CANADA ANTI-LOCK BRAKES SYSTEM CHARGING SYSTEM CHARGING SYSTEM INDICATOR LIGHT CONVERTIBLE TOP CONTROL UNIT (UNDER RIGHT SIDE OF DASH) CRUISE CONTROL INDICATOR LIGHT CRUISE CONTROL UNIT (ABOVE BRAKE PEDAL) DASH FUSE BOX (BEHIND DASH, LEFT OF STEERING COLUMN) DOOR INDICATOR LIGHT DRIVER'S DOOR SWITCH DRIVER'S SEAT BELT SWITCH DRL CONTROL UNIT DRL INDICATOR LIGHT DRL UNIT ECM (UNDER LEFT SIDE OF DASH) ECT SENSOR (ON LEFT REAR OF ENGINE, BELOW INTAKE) EDGE LIGHTS (2) EPS CONTROL UNIT (RIGHT OF BATTERY) EPS INDICATOR LIGHT FUEL GAUGE SENDING UNIT FUEL TANK UNIT (BELOW REAR TRAY) FUSE 25 FUSE 5 FUSE 6 GAUGE ASSEMBLY GAUGE LIGHTS (5) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HEATER CONTROL PANEL HIGH BEAM INDICATOR LIGHT HOT IN ON HOT IN ON OR START IMMOBILIZER INDICATOR LIGHT INTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM J/C KEYLESS DOOR LOCK CONTROL UNIT HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM LEFT TURN SIGNAL INDICATOR LIGHT LOW FUEL INDICATOR LIGHT LOW OIL PRESSURE INDICATOR LIGHT LT GRN/RED WIRE MAINTENANCE REQUIRED INDICATOR LIGHT NCA WIRE OIL PRESSURE SWITCH BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER RESERVOIR) PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PASSENGER'S DOOR SWITCH PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL (OR RED/WHT) WIRE RED/YEL WIRE RIGHT TURN SIGNAL INDICATOR LIGHT SEAT BELT REMINDER LIGHT SRS INDICATOR LIGHT SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK INDICATOR LIGHT TRUNK SYSTEM VEHICLE SPEED SENSOR (ON LEFT SIDE OF TRANSMISSION) WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

A/C CONDENSER FAN RELAY ABS MODULATOR/ CONTROL UNIT HEATER CONTROL PANEL ACCESSORY POWER SOCKET ACCESSORY POWER SOCKET RELAY (UNDER LEFT SIDE OF DASH) AUDIO UNIT REMOTE SWITCH AUDIO UNIT BLK WIRE BLK/YEL WIRE BLU WIRE CLUTCH INTERLOCK SWITCH CONVERTIBLE TOP SWITCH WIPER/ WASHER SWITCH DRL CONTROL UNIT REAR WINDOW DEFOGGER SWITCH ENGINE FROM FUSE 42 (DIAGRAM 1 OF 3) FUSE 12 FUSE 19 FUSE 20 FUSE 21 FUSE 3 FUSE 8 FUSE 9 GRN WIRE GRN/BLK WIRE IGNITION SWITCH INTERMITTENT WIPER RELAY LOCK OFF LT BLU WIRE MAIN UNDERHOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) ORG/ WIRE PGM-FI MAIN RELAY ENGINE CONTROL MODULE (ECM) POWER MIRROR SWITCH POWER WINDOW MASTER SWITCH RADIATOR FAN RELAY RECIRC- ULATION CONTROL MOTOR A/C COMPRESSOR RELAY BLOWER MOTOR RELAY RED WIRE RELAY (UNDER LEFT SIDE OF DASH) RUN WIRE STARTER STARTER CUT RELAY STARTER SOLENOID SWITCH TO FUSE 1 (DIAGRAM 3 OF 3) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

BATTERY IGNITION BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE DISARM SWITCH DOOR OPEN IN TRUNK LATCH IN HOOD SWITCH IN DISARM SW IN COMM UNLOCK CTRL COMM DRIVER'S DOOR KEY CYLINDER SWITCH DRIVER'S DOOR LATCH EXTERIOR LIGHTS FUSE 26 FUSE 5 GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND SECURITY IND IGNITION KEY IN CEILING LIGHTS LIGHT FLASHER HORN CTRL HOOD SWITCH (OPTION) HORN SYSTEM HOT AT ALL TIMES HOT IN ON IGNITION KEY SWITCH INLINE FUSE 1 (UNDER LEFT SIDE OF DASH) INLINE FUSE 2 (UNDER LEFT SIDE OF DASH) INTERIOR LIGHTS KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) LATCH SWITCH TRUNK OPENER SOLENOID LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER'S DOOR LOCK ACTUATOR PASSENGER'S DOOR SWITCH DRIVER'S DOOR SWITCH PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SECURITY LED TRUNK LID LATCH TRUNK LID OPENER RELAY (UNDER DRIVER'S SEAT) TRUNK OPEN CTRL TRUNK RELEASE SYSTEM UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) UNLOCK RELAY (UNDER DRIVER'S SEAT) WARNING SYSTEM WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE DRIVER'S DOOR KEY CYLINDER SWITCH DRIVER'S DOOR LATCH EXTERIOR LIGHTS FUSE 26 FUSE 5 GAUGE ASSEMBLY GRN WIRE GRN/YEL WIRE HORN SYSTEM HOT AT ALL TIMES HOT IN ON IGNITION KEY IN DOOR OPEN IN SWITCH IN IGNITION GROUND UNLOCK (+) IGNITION KEY SWITCH INTERIOR LIGHTS KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER'S DOOR LOCK ACTUATOR PASSENGER'S DOOR SWITCH DRIVER'S DOOR SWITCH PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE TRUNK LID LATCH TRUNK OPENER SOLENOID TRUNK RELEASE SYSTEM UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) WARNING SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 4 6 WIN DN OUT WIN UP OUT PASS UP OR DN OUT 14 6 13 DN CNTRL IN WIN DN OUT WIN UP OUT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE CLOSE CONTROLLED CONVERTIBLE TOP CONTROL UNIT (UNDER RIGHT SIDE OF DASH) CONVERTIBLE TOP SWITCH DOWN DRIVER'S WINDOW DOWN CONTROL OUTPUT DRL CONTROL UNIT INSTRUMENT CLUSTER SYSTEM FUSE 12 FUSE 18 FUSE 25 FUSE 5 FUSE 55 FUSE 52 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/RED WIRE HARD TOP DETECT SWITCH (W/ HARD TOP) (BEHIND DRIVER'S SIDE REAR SIDE TRIM) HOT AT ALL TIMES HOT IN ON IGNITION INSTRUMENT CLUSTER SYSTEM LEFT CONVERTIBLE TOP MOTOR (BEHIND DRIVER'S SIDE REAR SIDE TRIM) LT GRN WIRE LT GRN/RED WIRE MAIN UNDER-HOOD FUSE/RELAY BOX OPTIONAL HARD TOP CONNECTED SIGNAL PARK BRAKE PARKING BRAKE SWITCH PASSENGER'S WINDOW MOTOR PASSENGERS WINDOW SWITCH POWER WINDOW MASTER SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CONVERTIBLE TOP MOTOR (BEHIND PASSENGER'S SIDE REAR SIDE TRIM) UNDER-DASH FUSE/RELAY BOX VEHICLE SPEED IN WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

8 15 1 DATA LINK CONNECTOR A/C SYSTEM ANTI-THEFT SYSTEM BKSW BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE COOLING FANS SYSTEM ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROL MODULE (UNDER LEFT SIDE OF DASH) EPS CONTROL UNIT (RIGHT OF BATTERY) VTEC SOLENOID VALVE (ON RIGHT FRONT OF ENG) FUEL INJECTORS FUEL TANK UNIT FUEL PUMP FUSE 21 FUSE 46 4 25 2 25 GND FUSE 25 GND IACV GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES HOT IN ON HOT IN W/ ENG CRANKING IDLE AIR CONTROL VALVE (ON LEFT SIDE OF ENG) IMMOBILIZER RECEIVER UNIT IMOLFR INSTRUMENT CLUSTER SYSTEM J/C LT GRN WIRE LT GRN/WHT WIRE MAIN UNDER- HOOD FUSE/ RELAY BOX MIL NEP FANC K-LINE MTRTW SAVS ORG/ WIRE PCS PNK IMOLMP IMOEN WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE STARTING/ CHARGING SYSTEM STS IMOCD PSPSW ACS APR PTANK EL TACHOMETER TEST CONNECTOR (BEHIND AUXILIARY UNDERHOOD FUSE BOX) UNDERDASH FUSE/RELAY BOX FUSE 25 VSSOUT SCS VSV VTS WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE