Honda S2000 AP1 (1999-2003) org/ Wiring diagrams

ABS INDICATOR CIRCUIT ABS INDICATOR LIGHT ABS MODULATOR/ CONTROL UNIT (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DLC FLW(-) SCS RLW(-) RRW(+) FRW(+) FRW(-) FLW(+) STOP RLW(+) RRW(-) WALP FUSE 19 FUSE 47 FUSE 48 FUSE 5 FUSE 50 GAUGE ASSEMBLY GND 1 GND 2 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON HOT IN ON W/O ENGINE CRANKING LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LT BLU WIRE MAIN UNDERHOOD FUSE/RELAY BOX (ON RIGHT SIDE OF ENGINE COMPT) ORG/ WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED 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/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (BRAKE PEDAL SUPPORT) BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CABLE REEL (ON TOP OF STEERING COLUMN) CLUTCH SWITCH (UNDER LEFT SIDE OF DASH) CRUISE CONTROL ACTUATOR (LEFT SIDE OF ENGINE COMPT) CRUISE CONTROL INDICATOR LIGHT CRUISE CONTROL MAIN SWITCH CRUISE CONTROL MAIN SWITCH LIGHT CRUISE CONTROL SET/ RESUME SWITCH CRUISE CONTROL UNIT (ABOVE BRAKE PEDAL) EXTERIOR LIGHTS FUSE 47 FUSE 5 FUSE 6 GAUGE ASSEMBLY GRN WIRE GRY WIRE HORN RELAY HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAIN UNDERHOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) NCA WIRE OFF ON ON INDICATOR ORG/ WIRE PNK WIRE RED WIRE RESUME/ ACCEL SWITCH SET/DECEL SWITCH STEERING WHEEL) UNDERDASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) VEHICLE SPEED SIGNAL OUT WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE INDICATOR LIGHT COMBINATION LIGHT SWITCH DIMMER SWITCH DRL DIODE (BEHIND LEFT SIDE OF DASH) DRL INDICATOR LIGHT ELECTRICAL LOAD DETECTOR UNIT FILTER FLASH TO PASS SWITCH FUSE 19 FUSE 41 FUSE 43 FUSE 45 FUSE 5 GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE GRN/WHT WIRE HEAD HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HEADLIGHT SWITCH HIGH BEAM HIGH BEAM CUT RELAY (UNDER LEFT SIDE OF DASH) HIGH BEAM INDICATOR LIGHT HOT AT ALL TIMES HOT IN ON IGNITER INVERTER LEFT HEADLIGHT LO HI LOW BEAM MAIN UNDERHOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) NCA WIRE OFF ORG/ WIRE PARK PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) POWER TOPS, INSTRUMENT CLUSTER RED WIRE RED/BLU WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) FUSE 27 WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE CABLE REEL CRUISE CONTROL SET/ RESUME SWITCH FUSE 47 HIGH HORN (02 MODEL) (BEHIND CENTER OF FRONT BUMPER) HORN (2000-01 MODELS) LOW HORN (2002 MODEL) (BEHIND CENTER OF FRONT BUMPER) HORN RELAY HORN SWITCH HOT AT ALL TIMES KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) MAIN UNDER- HOOD FUSE/ RELAY BOX ORG/ WIRE RED WIRE STEERING WHEEL)

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

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

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

AIR PUMP MOTOR (BEHIND LEFT SIDE OF FRONT BUMPER) AIR PUMP RELAY (BEHIND LEFT SIDE OF FRONT BUMPER) AUXILIARY UNDER- HOOD FUSE BOX FUSE 32 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAIDED WIRES BRN/YEL WIRE FUEL TANK PRESSURE SENSOR (FRONT OF FUEL TANK) FUSE 5 FUSE 6 GAUGE ASSEMBLY GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON LT GRN WIRE LT GRN/WHT WIRE MALFUNCTION INDICATOR LIGHT (MIL) ORG/ WIRE PRIMARY HEATED OXYGEN SENSOR (FORWARD OF CATALYTIC CONVERTER) RED WIRE RED/YEL WIRE REF VOLTAGE SECONDARY HEATED OXYGEN SENSOR (REAR OF CATALYTIC CONVERTER) SENSOR CIRCUIT AIR PUMP ELECTRONIC CURRENT SENSOR (BEHIND LEFT FRONT WHEELWELL) SENSOR GND SENSOR OUT STARTING/ CHARGING SYSTEM UNDER- DASH FUSE/ RELAY BOX WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE