Honda Prelude IV (1992-1996) nca Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 (IF EQUIPPED) (IF EQUIPPED) 1995 VFTC BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE DISARM/ VALET SWITCH DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM WARNING SYSTEM FUSE 42 SMALL LIGHT FUSE 43 CLOCK/RADIO GLASS BREAKAGE MICROPHONE GRN WIRE GRN/BLK WIRE HOOD SWITCH (OPTIONAL) (BEHIND CENTER OF FRONT BUMPER) HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH INTERIOR LIGHTS SYTEM LIGHT FLASHER RELAY (RIGHT SIDE OF STEERING COLUMN) NCA WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE SECURITY CONTROL UNIT (UNDERSIDE OF LEFT FRONT SEAT) SECURITY IN- LINE FUSE HOLDER (LEFT KICK PANEL) SECURITY INDICATOR SIREN (OPTIONAL) (BEHIND CENTER OF FRONT BUMPER) STARTING/CHARGING SYSTEM HORNS SYSTEM TRUNK LATCH SWITCH (CENTER OF TRUNK LID) UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) FUSE 17 UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/YEL WIRE YEL/RED WIRE

1995 VFTC A/T M/T PNK PNK WIRE ACTUATOR INPUT BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRAKE INPUT BRAKE SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CRUISE CONTROL ACTUATOR (LEFT FRONT CORNER OF ENGINE COMPARTMENT) CRUISE CONTROL INDICATOR CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SET/ RESUME SWITCH CRUISE CONTROL UNIT (LEFT SIDE OF I/P) DIMMER ENGINE RPM INPUT FUSE 13 FUSE 14 FUSE 41 GRN/WHT WIRE GROUND GRY WIRE HORN RELAY LEFT KICK PANEL) HORN SWITCHES HOT AT ALL TIMES HOT IN ON OR START INDICATOR LIGHT CONTROL INSTRUMENT CLUSTER SYSTEM J/C LEFT FRONT FENDER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE ON OFF ORG/ WIRE PNK CLUTCH SWITCH A/T GEAR POSITION SWITCH (LEFT SIDE OF FRONT CONSOLE) WIRE PNK DISENGAGE INPUT WIRE POWER INPUT RED WIRE RED/BLK WIRE RESUME/ ACCEL SIG INPUT RESUME/ ACCEL SWITCH SAFETY SOLENOID VENT SOLENOID SET/DECEL SIG INPUT SET/DECEL SWITCH SRS CABLE REEL (TOP OF STEERING COLUMN) STEERING WHEEL) SUB GAUGE ASSEMBLY UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR CORNER OF ENGINE COMPARTMENT) VACUUM SOLENOID VEHICLE SPEED INPUT WHT/YEL WIRE YEL WIRE

BLK WIRE BRAKE LIGHT SWITCH (LEFT SIDE OF I/P) FROM INTEGRATED CONTROL UNIT FUSE 41 STOP/HORN FUSE 42 SMALL LIGHT GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD OFF PARK HEADLIGHT SWITCH COMBINATION LIGHT SWITCH HIGH MOUNT BRAKE LIGHTS HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTEGRATED CONTROL UNIT LEFT BRAKE LIGHT FAILURE SENSOR (BEHIND LEFT TAILLIGHT) LEFT BRAKE/ TAILLIGHT LEFT FRONT FENDER) LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LEFT FRONT TURN SIGNAL LEFT LICENSE LIGHT LEFT REAR SIDE MARKER LIGHT LEFT TURN SIGNAL LIGHT NCA WIRE ORG/ WIRE RED/BLK WIRE RED/GRN WIRE RIGHT BRAKE/ TAILLIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER RIGHT FRONT TURN SIGNAL RIGHT LICENSE LIGHT RIGHT REAR SIDE MARKER LIGHT RIGHT TURN SIGNAL LIGHT UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX W/ SPOILER OR LED BRAKE LIGHT W/ BULB TYPE BRAKE LIGHT WHT GRN/ WIRE WHT/GRN WIRE WHT/YEL WIRE

BLK WIRE BLU/RED WIRE COMBINATION LIGHT SWITCH DIMMER RELAY DIMMER SWITCH FLASH TO PASS SWITCH FOG LIGHT CONNECTOR FROM HEADLIGHT SPLICE BELOW FUSE 32 FUSE 50 FUSE 51 HEAD OFF PARK HEADLIGHT RELAY HEADLIGHT SWITCH HOT AT ALL TIMES LEFT FRONT FENDER) LEFT HEADLIGHT (HIGH) LO HI MAIN GAUGE ASSEMBLY HIGH BEAM INDICATOR LIGHT NCA WIRE ORG/ WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLIGHT (LOW) TO UNNDER-HOOD FUSE/RELAY BOX UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX WIPER/WASHER SYSTEM

1995 VFTC BLK WIRE DRIVER'S POWER MIRROR FUSE 9 HOT IN ON MIRROR DEFOGGER SWITCH NCA WIRE OFF ON INDICATOR ORG/ WIRE PASSENGER'S POWER MIRROR POWER MIRROR SWITCH UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) YEL WIRE

ANTI-THEFT SYSTEM (OPTIONAL) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE CABLE REEL CRUISE SET/ RESUME SWITCH GRY WIRE HORN RELAY LEFT KICK PANEL) HOT AT ALL TIMES FUSE 41 STOP/HORN LEFT HORN (LEFT FRONT OF ENGINE COMPARTMENT) LEFT HORN SWITCH NCA WIRE RIGHT HORN (RIGHT FRONT OF ENGINE COMPARTMENT) RIGHT HORN SWITCH STEERING WHEEL) UNDER- HOOD FUSE/ RELAY BOX WHT WIRE WHT/YEL WIRE

A/C SYSTEM AFSA AFSB ACS PNK WIRE ALT C SV SOL FAS RES SOL PCS PNK WIRE ALT F EL TPS EGRL ECT ALTERNATOR PIN 1 ALTERNATOR PIN 2 ATP PN PSP SW STS VSS CYP P CYP M TDC P TDC M CKP P CKP M BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COOLING FANS SYSTEM CYP SENSOR DISTRIBUTOR DISTRIBUTOR ASSEMBLY (TOP RIGHT SIDE OF ENGINE) E SOL FAN H MIL ELECTRICAL LOAD DETECTOR UNIT PIN 2 ENGINE CONTROL MODULE (RIGHT FRONT OF FLOOR, UNDER CARPET) FUEL INJECTORS (TOP CENTER OF ENGINE) FUEL PUMP (UNDER CENTER OF REAR SEATS) GRN BLK/ WIRE GRN LT BLU/ WIRE GRN WIRE GRN/ BLU WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND IACV IAT IGN INPUT SIGNAL IGNITION COIL (RIGHT SIDE OF ENGINE) IGNITION CONTROL MODULE INJECTOR RESISTOR (LEFT REAR CORNER OF ENGINE COMPARTMENT) JUNCTION CONNECTOR (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MALFUNCTION INDICATOR LIGHT MAP (PB) VREF NCA WIRE ORG/ WIRE ORG/BLU WIRE ORG/RED WIRE ORG/WHT WIRE PARTIAL PGM-FI MAIN RELAY (BEHIND LEFT SIDE OF DASH) PNK WIRE PRIM OUTPUT CTRL ENG SPD OUTPUT BATTERY PRIMARY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY SERVICE CHECK CONNECTOR (BEHIND FRONT CONSOLE) SUB GAUGE ASSEMBLY TDC CKP SENSOR SENSOR TDC, CKP, CYP SENSOR TEST TACHOMETER CONNECTOR) UNDER-DASH FUSE/RELAY BOX VBU BKSW KS SCS VT SOL VTP SW TXD/RXD WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL BLU/ WIRE YEL GRN/ WIRE YEL WIRE YEL/ LT BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

"S" MODEL ONLY ALL EXCEPT "S" MODEL ALTERNATOR PIN 3 BLK WIRE BLK/ YEL WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE CRUISE CONTROL UNIT PIN 4 DATA LINK CONNECTOR (BEHIND FRONT CONSOLE) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) EVAPORATIVE EMISSION PURGE CONTROL SOLENOID VALVE (CENTER REAR OF ENGINE) EXHAUST GAS RECIRCULATION VALVE LIFT SENSOR (CENTER REAR OF ENGINE) FUSE 13 FUSE 2 FUSE 23 FUSE 4 FUSE 41 FUSE 43 FUSE 46 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR (CENTER FRONT OF ENGINE) HOT AT ALL TIMES HOT IN ON OR START HOT W/ ENGINE CRANKING IDLE AIR CONTROL VALVE (CENTER REAR OF ENGINE) INTAKE AIR TEMPERATURE SENSOR (LEFT REAR CORNER OF ENGINE) INTAKE CONTROL SOLENOID VALVE (RIGHT SIDE OF ENGINE COMPARTMENT) JUNCTION CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) KNOCK SENSOR (UNDERSIDE OF CAR, CENTER REAR OF ENGINE) (ALL EXC. "S" MODEL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAIN GAUGE ASSEMBLY MANIFOLD ABSOLUTE PRESSURE SENSOR (CENTER REAR OF ENGINE) NCA WIRE ORG/ WIRE ORG/RED WIRE ORG/WHT WIRE PNK WIRE POWER STEERING PRESSURE SWITCH (UNDERSIDE OF CAR, BEHIND CENTER OF ENGINE) RED WIRE RED/ BLU WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SRS FUSE BLOCK THROTTLE POSITION SENSOR CENTER REAR OF ENGINE) TRANSMISSION CONTROL MODULE (AT RIGHT KICK PANEL) UNDER- HOOD FUSE/ RELAY BOX UNDER-DASH FUSE/RELAY BOX VEHICLE SPEED SENSOR VTEC PRESSURE SWITCH (RIGHT SIDE OF ENGINE) VTEC SOLENOID VALVE (RIGHT SIDE OF ENGINE) WHT GRN/ WIRE WHT WIRE WHT YEL/ WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL BLK/ WIRE YEL GRN/ WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

A/C SYSTEM AFSA AFSB ACS PNK WIRE ALT C SV SOL FAS RES SOL PCS PNK WIRE ALT F EL TPS EGRL ECT ALTERNATOR PIN 1 ALTERNATOR PIN 2 ATP PN PSP SW STS VSS CYP P CYP M TDC P TDC M CKP P CKP M BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COOLING FANS SYSTEM CYP SENSOR DISTRIBUTOR DISTRIBUTOR ASSEMBLY (TOP RIGHT SIDE OF ENGINE) E SOL FAN H MIL ELECTRICAL LOAD DETECTOR UNIT PIN 2 ENGINE CONTROL MODULE (RIGHT FRONT OF FLOOR, UNDER CARPET) FUEL INJECTORS (TOP CENTER OF ENGINE) FUEL PUMP (UNDER CENTER OF REAR SEATS) GRN BLK/ WIRE GRN LT BLU/ WIRE GRN WIRE GRN/ BLU WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND IACV IAT IGN INPUT SIGNAL IGNITION COIL (RIGHT SIDE OF ENGINE) IGNITION CONTROL MODULE INJECTOR RESISTOR (LEFT REAR CORNER OF ENGINE COMPARTMENT) JUNCTION CONNECTOR (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MALFUNCTION INDICATOR LIGHT MAP (PB) VREF NCA WIRE ORG/ WIRE ORG/BLU WIRE ORG/RED WIRE ORG/WHT WIRE PARTIAL PGM-FI MAIN RELAY (BEHIND LEFT SIDE OF DASH) PNK WIRE PRIM OUTPUT CTRL ENG SPD OUTPUT BATTERY PRIMARY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY SERVICE CHECK CONNECTOR (BEHIND FRONT CONSOLE) SUB GAUGE ASSEMBLY TDC CKP SENSOR SENSOR TDC, CKP, CYP SENSOR TEST TACHOMETER CONNECTOR) UNDER-DASH FUSE/RELAY BOX VBU BKSW KS SCS VT SOL VTP SW TXD/RXD WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL BLU/ WIRE YEL GRN/ WIRE YEL WIRE YEL/ LT BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

"S" MODEL ONLY ALL EXCEPT "S" MODEL ALTERNATOR PIN 3 BLK WIRE BLK/ YEL WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE CRUISE CONTROL UNIT PIN 4 DATA LINK CONNECTOR (BEHIND FRONT CONSOLE) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) EVAPORATIVE EMISSION PURGE CONTROL SOLENOID VALVE (CENTER REAR OF ENGINE) EXHAUST GAS RECIRCULATION VALVE LIFT SENSOR (CENTER REAR OF ENGINE) FUSE 13 FUSE 2 FUSE 23 FUSE 4 FUSE 41 FUSE 43 FUSE 46 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR (CENTER FRONT OF ENGINE) HOT AT ALL TIMES HOT IN ON OR START HOT W/ ENGINE CRANKING IDLE AIR CONTROL VALVE (CENTER REAR OF ENGINE) INTAKE AIR TEMPERATURE SENSOR (LEFT REAR CORNER OF ENGINE) INTAKE CONTROL SOLENOID VALVE (RIGHT SIDE OF ENGINE COMPARTMENT) JUNCTION CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) KNOCK SENSOR (UNDERSIDE OF CAR, CENTER REAR OF ENGINE) (ALL EXC. "S" MODEL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAIN GAUGE ASSEMBLY MANIFOLD ABSOLUTE PRESSURE SENSOR (CENTER REAR OF ENGINE) NCA WIRE ORG/ WIRE ORG/RED WIRE ORG/WHT WIRE PNK WIRE POWER STEERING PRESSURE SWITCH (UNDERSIDE OF CAR, BEHIND CENTER OF ENGINE) RED WIRE RED/ BLU WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SRS FUSE BLOCK THROTTLE POSITION SENSOR CENTER REAR OF ENGINE) TRANSMISSION CONTROL MODULE (AT RIGHT KICK PANEL) UNDER- HOOD FUSE/ RELAY BOX UNDER-DASH FUSE/RELAY BOX VEHICLE SPEED SENSOR VTEC PRESSURE SWITCH (RIGHT SIDE OF ENGINE) VTEC SOLENOID VALVE (RIGHT SIDE OF ENGINE) WHT GRN/ WIRE WHT WIRE WHT YEL/ WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL BLK/ WIRE YEL GRN/ WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE