Honda S2000 AP1 (1999-2003) underdash fuse/relay box (under left side of dash) 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

BACK-UP LIGHT SWITCH (LEFT SIDE OF TRANSMISSION) BLK WIRE FUSE 5 GRN/BLK WIRE HOT IN ON LEFT BACK-UP LIGHT RIGHT BACK-UP LIGHT UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) YEL WIRE

A/C CONDENSER FAN MOTOR (BEHIND CONDENSER) A/C CONDENSER FAN RELAY A/C ON A/C ON REQUEST A/C PRESSURE SWITCH 1 = LOW 2 = HIGH (ON RECEIVER DRIER) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE ENGINE CONTROL MODULE (ECM) (UNDER LEFT SIDE OF DASH) FAN CTRL FUSE 20 FUSE 57 FUSE 58 GRN WIRE HEATER CONTROL PANEL HOT AT ALL TIMES HOT IN ON WITH ENGINE NOT CRANKING MAIN UNDERHOOD FUSE/RELAY BOX (ON RIGHT SIDE OF ENGINE COMPARTMENT) NCA WIRE RADIATOR FAN MOTOR (BEHIND RADIATOR) RADIATOR FAN RELAY RADIATOR FAN SWITCH (ON LOWER LEFT SIDE OF RADIATOR) REQUEST UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH)

BLK WIRE BLK/WHT WIRE BLU/BLK WIRE CEILING LIGHT/ SPOT LIGHTS DOOR INDICATOR LIGHT DRIVER'S DOOR SWITCH PASSENGER'S DOOR SWITCH FUSE 24 FUSE 5 GAUGE ASSEMBLY GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) LATCH SWITCH LEFT LT GRN/RED WIRE NCA WIRE OFF OFF ON OFF OFF ON ON DOOR DOOR RIGHT TRUNK INDICATOR LIGHT TRUNK LATCH TRUNK LIGHT UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT/BLU WIRE YEL WIRE

AUXILIARY UNDERHOOD FUSE BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE DEFOGGER SWITCH, TIMER CIRCUIT FUSE 19 FUSE 34 GRN WIRE HOT AT ALL TIMES HOT IN ON NOISE CONDENSER ON INDICATOR REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH LIGHT RED WIRE UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE

AUXILIARY UNDERHOOD FUSE BOX (ON LEFT SIDE OF ENGINE COMPT) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CONTROL UNIT (UNDER RIGHT SIDE OF DASH) CRUISE CONTROL UNIT (ABOVE BRAKE PEDAL) DRIVING CIRCUIT (VSS OUT) ELECTRICAL POWER STEERING (EPS) CONTROL UNIT (RIGHT OF BATTERY) ENGINE CONTROL MODULE (ECM) (UNDER LEFT SIDE OF DASH) EPS GEAR BOX (BELOW FRONT CENTER OF ENGINE COMPT) EPS INDICATOR LIGHT EPS MOTOR EPS TORQUE SENSOR (BELOW FRONT CENTER OF ENGINE COMPT) EPSLD FILTER FUSE 33 FUSE 5 GAUGE ASSEMBLY GND 2 NEP GND 1 PVF SCS GRN WIRE HOT AT ALL TIMES HOT IN ON LT BLU WIRE MOTOR+ MOTOR- NEP PG +B PNK WIRE RED WIRE TACHOMETER TEST CONNECTOR (BEHIND AUXILIARY UNDERHOOD FUSE BOX) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) VSP PNK WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WLP PS-SIG DLC YEL WIRE YEL/BLU 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

AUDIO UNIT AUDIO UNIT REMOTE SWITCH BLK WIRE BLU WIRE COMBINATION LIGHT SWITCH CONVERTIBLE TOP SWITCH CRUISE CONTROL MAIN SWITCH DASH LIGHTS BRIGHTNESS CONTROLLER EDGE LIGHTS FUSE 23 FUSE 25 FUSE 5 GAUGE ASSEMBLY GAUGE LIGHTS HAZARD WARNING SWITCH HEAD HEAD LIGHT SWITCH HEATER CONTROL PANEL HOT AT ALL TIMES HOT IN ON KEYLESS DOOR LOCK CONTROL UNIT (UNDER LEFT SIDE OF DASH) LIGHTS FLASH CONTROL OFF PARK REAR WINDOW DEFOGGER SWITCH RED WIRE RED/BLK WIRE TAILLIGHT RELAY UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT/GRN WIRE WHT/RED WIRE YEL WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH RELAY A/C ON REQUEST A/C PRESSURE SWITCH (ON RECEIVER DRIER) AIR MIX CONTROL MOTOR (ON LEFT SIDE OF HEATER CASE) AMD-P BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPRESSOR CLUTCH ENGINE CONTROL MODULE (ECM) (UNDER LEFT SIDE OF DASH) EVAPORATOR TEMPERATURE SENSOR (UNDER RIGHT SIDE OF DASH, ON HEATER CASE) FAN CTRL FRESH OUT RECIRC OUT FRS FUSE 20 FUSE 25 FUSE 58 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DASH LIGHTS DASH LIGHTS BATTERY IGNITION GRY WIRE HEATER CONTROL PANEL HOT AT ALL TIMES HOT IN ON WITH ENGINE NOT CRANKING INSTRUMENT CLUSTER SYSTEM LT GRN WIRE M-COOL M-DEF M-HOT M-VENT MAIN UNDERHOOD FUSE/RELAY BOX (ON RIGHT SIDE OF ENGINE COMPARTMENT) MODE 1 MODE 2 MODE 3 MODE 4 MODE 4 OUTPUT MODE 3 OUTPUT ILLUM CANCEL SIG MODE CONTROL MOTOR (ON LEFT END OF HEATER CASE) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REC RECIRCULATION CONTROL MOTOR (UNDER RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY CTRL S-COM THERMAL PROTECTOR TO BLOWER MOTOR RELAY (DIAGRAM 2 OF 2) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT AIR PUMP ELECTRICAL CURRENT SENSOR STARTER SOLENOID ALTERNATOR AUDIO UNIT CEILING LIGHT/ SPOTLIGHT AUXILIARY UNDERHOOD FUSE BOX (LEFT SIDE OF ENGINE COMPT) BATTERY BLK WIRE BLOWER MOTOR RELAY BLU WIRE BRAKE SWITCH CONVERTIBLE TOP CONTROL UNIT DATA LINK CONNECTOR DRL UNIT ELD UNIT ENGINE CONTROL MODULE (ECM) EPS CONTROL UNIT FUSE 17 FUSE 18 FUSE 22 FUSE 24 FUSE 23 FUSE 25 FUSE 26 FUSE 27 FUSE 32 FUSE 33 FUSE 34 FUSE 41 FUSE 42 FUSE 46 FUSE 47 FUSE 49 FUSE 50 FUSE 48 FUSE 51 FUSE 52 FUSE 55 FUSE 54 FUSE 56 FUSE 57 FUSE 58 GAUGE ASSEMBLY GRN WIRE GRY WIRE HAZARD WARNING SWITCH HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HEATER CONTROL PANEL HORN RELAY KEYLESS DOOR LOCK CONTROL UNIT PGM-FI RELAY POWER WINDOW MASTER SWITCH CONVERTIBLE TOP CONTROL UNIT RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY RED WIRE STARTER TAILLIGHT RELAY TO IGNTION SWITCH (DIAGRAM 2 OF 3) TRUNK LID OPENER SWITCH TRUNK LIGHT UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE