Honda Prelude IV (1992-1996) integrated control unit Wiring diagrams

BLK WIRE BLK/GRN WIRE BLK/YEL WIRE DIMMER CONTROL CIRCUIT FUSE 11 FUSE 9 GRN WIRE HEATER CONTROL PANEL HOT IN ON INTEGRATED CONTROL UNIT OFF ON INDICATOR REAR DEFOG SWITCH ON REAR DEFOGGER TIMER CIRCUIT REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT 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

A/T A/T GEAR POSITION SWITCH (BELOW LEFT SIDE OF CONSOLE) BACK-UP LIGHT SWITCH (ON TOP OF TRANSMISSION) BLK WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE COMBINATION LIGHT SWITCH FUSE 13 FUSE 39 HAZARD GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT IN ON OR START ILLUMINATION INTEGRATED CONTROL UNIT LEFT LEFT BACK-UP LIGHT LEFT FRONT TURN SIGNAL LEFT REAR TURN SIGNAL LEFT TURN INDIC M/T OFF RED WIRE RED/BLK WIRE RIGHT RIGHT BACK-UP LIGHT RIGHT TURN INDIC TO LEFT FRONT MARKER LIGHT TO RIGHT FRONT MARKER LIGHT TO RIGHT FRONT TURN SIGNAL TO RIGHT REAR TURN SIGNAL TURN SIGNAL LIGHT DIODE (LEFT KICK PANEL) TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD RELAY UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX W/ ELECTRO- LUM. GAUGES W/O ELECTRO- LUM. GAUGES WHT/YEL WIRE YEL WIRE

BLK BLK BLK WIRE BLK BLK WIRE BLK WIRE BLK/GRN WIRE BLOWER MOTOR RELAY BLU/WHT WIRE CHIME CIGARETTE LIGHTER CIGARETTE LIGHTER RELAY CLUTCH INTERLOCK SWITCH CLUTCH SWITCH DIMMER RELAY (UNDER-HOOD FUSE/RELAY BOX) DRIVER'S DOOR LOCK LATCH ASSEMBLY DRIVER'S DOOR LOCK SWITCH DRIVER'S SEAT BELT (CANADA) ELECTRICAL LOAD DETECTOR (UNDER HOOD FROM CEILING LIGHT FROM CRUISE CONTROL UNIT FROM LICENSE LIGHT FROM MASTER POWER WINDOW SWITCH FROM SUNROOF SWITCH FRONT MAIN STEERING ANGLE SENSOR FUEL PUMP FUSE/RELAY BOX HEADLIGHT/ COMBINATION LIGHT SWITCH HEATER FAN SWITCH HORN RELAY IGNITION KEY SWITCH INTEGRATED CONTROL UNIT LEFT SEAT HEATER (CANADA) LEFT SEAT HEATER RELAY (CANADA) LEFT SEAT HEATER SWITCH (CANADA) POWER DOOR LOCK CONTROL UNIT POWER MIRROR SWITCH POWER WINDOW RELAY RIGHT SEAT HEATER (CANADA) RIGHT SEAT HEATER RELAY (CANADA) SEAT HEATER MAIN RELAY (CANADA) SECURITY SYSTEM CONNECTOR STEREO RADIO/ CASSETTE PLAYER SUNROOF CLOSE RELAY SUNROOF OPEN RELAY TURN SIGNAL/ HAZARD RELAY UNDER-DASH FUSE/RELAY BOX WINDSHIELD WIPER/WASHER SWITCH

A/C COMPRESSOR CLUTCH RELAY A/T BLK WIRE CELING LIGHT CIGARETTE LIGHTER CIGARETTE LIGHTER RELAY (LEFT KICK PANEL) COMBINATION LIGHT SWITCH CONDENSER FAN RELAY CONTROL UNIT) DATA LINK CONNECTOR ENGINE CONTROL MODULE (ECM) FROM FUSE 18 (UNDERDASH FUSE/RELAY BOX) FROM FUSE 33 FROM FUSE 45 FUSE 46 INTERIOR LIGHTS FUSE 42 SMALL LIGHT FUSE 43 CLOCK RADIO FUSE 44 DOOR LOCK FUSE 45 CONDENSER FAN FUSE 47 COOLING FAN HEADLIGHT RELAY IGNITION KEY LIGHT INTEGRATED CONTROL UNIT JUNCTION CONNECTOR 1 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 8 (BEHIND LEFT QUARTER TRIM PANEL) KEY INTERLOCK SWITCH M/T MAIN GAUGE ASSEMBLY (W/ LUMINESCENT GAUGES) SUB GAUGE ASSEMBLY POWER ANTENNA MOTOR POWER DOOR LOCK CONTROL UNIT RADIATOR FAN CONTROL MOTOR RADIATOR FAN RELAY RED/GRN WIRE SECURITY SYSTEM CONNECTOR STEREO RADIO/ CASSETTE PLAYER TO FUSE 46 TRANSMISSION CONTROL MODULE (TCM) TRUNK LIGHT UNDERDASH FUSE/RELAY BOX UNDERHOOD FUSE/RELAY BOX VTEC,SR-V) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE

A/T A/T GEAR POSITION SWITCH AUXILLARY FUSE HOLDER FUSE 22 BACK-UP LIGHT SWITCH BLK/RED WIRE BLK/YEL WIRE CONTROL UNIT) CRUISE CONTROL MAIN SWITCH FROM FUSE 14 FROM IGNITION SWITCH FRONT MAIN STEERING ANGLE SENSOR FUSE 13 FUSE 14 FUSE 17 FUSE 18 GRN/BLK WIRE GRN/RED WIRE IGNITION COIL IN-LINE DIODE (W/ LUMINESCENT GAUGES) INTEGRATED CONTROL UNIT JUNCTION CONNECTOR 3 (BEHIND RIGHT QUARTER TRIM PANEL) JUNCTION CONNECTOR 4 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 5 (ABOVE LEFT KICK PANEL) M/T MAIN GAUGE ASSEMBLY REAR MAIN STEERING ANGLE SENSOR RED WIRE SECURITY SYSTEM CONNECTOR SHIFT LOCK SOLENOID SRS FUSE BLOCK STEREO RADIO/ CASSETTE PLAYER SUB GAUGE ASSEMBLY TO CIGARETTE LIGHTER RELAY TO FUSE #17 TO FUSE 23 TURN SIGNAL DIODE UNDERDASH FUSE/RELAY BOX WHT/BLK WIRE WINDSHIELD INTERMITTENT WIPER RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER/WASHER SWITCH WOOFER AMPLIFIER (VTEC,SR-V) YEL WIRE YEL/RED WIRE

ANTI-LOCK BRAKES SYSTEM, ELECTRONIC POWER STEERING SYSTEM BLK WIRE BLK/YEL WIRE BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER) CANADA DRL CONTROL MODULE (BEHIND RIGHT SIDE OF I/P) ENGINE COOLANT TEMPERATURE (ECT) SENDING UNIT (RIGHT SIDE OF ENGINE) ENGINE OIL PRESSURE SWITCH (CENTER REAR UNDER- SIDE OF ENGINE) FUEL TANK UNIT (TOP OF FUEL TANK) FUSE 23 FUSE 43 CLOCK/RADIO GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START INTEGRATED CONTROL UNIT PARKING BRAKE SWITCH (BELOW CENTER CONSOLE) RED WIRE S ONLY SRS FUSE BLOCK THERMISTOR UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) USA VTEC, SR-V WHT/YEL WIRE YEL BLK/ WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BEEPER BLK WIRE BLU WIRE BLU/WHT WIRE CHIME CHIME (LEFT KICK PANEL) COMBINATION LIGHT SWITCH DOOR LOCKS SYSTEM DRIVER'S DOOR SWITCH DRIVER'S SEAT BELT SWITCH ENGINE OIL PRESSURE INDICATOR FLASHER UNIT FUSE 13 GRN/BLU WIRE HEAD HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH INSTRUMENT CLUSTER SYSTEM INTEGRATED CONTROL UNIT KEY-IN/ SEAT BELT BEEPER CIRCUIT LIGHTS-ON REMINDER CIRCUIT NCA WIRE OFF PARK ORG/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE STARTING/CHARGING SYSTEM UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) WHT WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE FUSE 17 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GROUND HOT IN ON OR START INT LO INT WIPE INPUT INTEGRATED CONTROL UNIT INTERMITTENT WIPER CIRCUIT LEFT FRONT FENDER) MIST OFF PARK PARK INPUT RUN WIRE UNDER-DASH FUSE/RELAY BOX (LEFT KICK PANEL) WASH WASHER ON INPUT WIND- SHIELD WIPER/ WASHER SWITCH WINDSHIELD WASHER MOTOR (BEHIND LOWER LEFT FRONT BUMPER FASCIA) WINDSHIELD WIPER INTERMITTENT RELAY (LEFT REAR CORNER OF ENGINE COMPARTMENT) WINDSHIELD WIPER MOTOR (BEHIND LEFT SIDE OF AIR SCOOP) WIPE INT CTRL