Honda Ridgeline I (2004-2009) fuse 21 Wiring diagrams

ABS INDICATOR BLK WIRE BRAKE FLUID LEVEL SWITCH (NEXT TO BRAKE FLUID RESERVOIR) BRAKE PEDAL POSITION SWITCH (TOP OF BRAKE PEDAL ARM) BRAKE SYSTEM INDICATOR DRIVE CIRCUIT F-CAN TRANS FAIL SAFE CIRCUIT FUSE 13 FUSE 21 FUSE 31 FUSE 7 GAUGE CONTROL MODULE GRN WIRE GRN/ORG WIRE GRN/WHT WIRE H/BRKSW HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CONTROL UNIT RECEIVER (IN STEERING COLUMN, ON IGNITION KEY CYLINDER ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE PEDAL) POWER SUPPLY CIRCUIT/CONTROLLER AREA NETWORK TRANSCEIVER RED WIRE UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) VSA ACTIVATION INDICATOR VSA OFF SWITCH (LEFT SIDE OF DASH) VSA SYSTEM INDICATOR WARNING DRIVE CIRCUIT WHT WIRE WHT/BLK WIRE YEL WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY A/C DIODE ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SWITCH AC CONDENSER FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) AUXILIARY UNDER-HOOD RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BLOWER POWER TRANSISTOR (UNDER RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ECT SENSOR 2 (AT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FAN CONTROL RELAY FUSE FUSE 12 FUSE 19 FUSE 21 FUSE 23 FUSE 30 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND HIGH FAN CONTROL HOT AT ALL TIMES HOT IN ON LOW FAN CONTROL RELAY CONTROL LT BLU WIRE MAIN RELAY 1 PCM (RIGHT REAR OF ENGINE COMPARTMENT) RADIATOR FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) RADIATOR FAN RELAY RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

ATP-R BACK LT- BACKUP LIGHTS DIODE (UNDER MIDDLE OF DASH) BLK WIRE FUSE 21 GAUGE CONTROL MODULE GRN WIRE GRN/BLK WIRE HOT IN ON OR START J/C LEFT BACK-UP LIGHT LEFT TAILLIGHT ASSEMBLY MICU ORG/ WIRE PCM (RIGHT REAR OF ENGINE COMPARTMENT) RIGHT BACK-UP LIGHT RIGHT TAILLIGHT ASSEMBLY TRAILER CONNECTOR TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE

1 2 3 4 PG LOCK AS UNLOCK DR UNLOCK 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 +B DOOR LOCK ATP-R BACK LT TAILGATE SW TRUNK HANDLE SW BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE CANADA CARGO LT RLY FR DEF SW CARGO LT SW COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM COURTESY LT LR SIL RA UNLOCK SIL RD UNLOCK TRUNK UNLOCK DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM EXTERIOR LIGHTS SYSTEM DEFOGGER SYSTEM FUSE 21 FUSE 3 FUSE 32 FUSE 7 FUSE 8 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HEADLIGHTS LIGHTS SYSTEM (CANADA) HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM INTERIOR LIGHTS,, DOOR LOCKS SYSTEMS K-LINE IG KEY LT KEY SOL ATP-P LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MICU MICU SERVICE CHECK CONNECTOR PNK/BLK WIRE PNK/BLU WIRE POWER TOPS SYSTEM SHIFT INTERLOCK SYSTEM RED/BLU WIRE RED/WHT WIRE REM AS LOCK REM AS UNLOCK CDS SCTY IN HAZARD SW SIL AS UNLOCK COURTESY LT AS SG-1 P-PIN SHIFT INTERLOCK SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM TRUNK SW COURTESY LT RR TURN L TURN R UNDERDASH FUSE/RELAY BOX (AT LEFT KICK PANEL) VBU WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

A/T GEAR POSITION/CRUISE CONTROL DIMMING CIRCUIT BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CABLE REEL CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL INDICATOR CRUISE CONTROL SET/ RESUME CANCEL SWITCH DRIVE CIRCUIT ENGINE CONTROLS SYSTEM ETCS CONTROL RELAY F-CAN TRANSCEIVER FUSE 21 FUSE 7 FUSE 8 FUSE 9 GAUGE CONTROL MODULE GRN WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HORN SWITCH HOT AT ALL TIMES HOT AT ALL TIMES UNDER HOOD FUSE/RELAY BOX (AT RIGHT REAR OF ENGINE COMPARTMENT) HOT IN ON OR START IGNITION COIL RELAY LEFT END OF DASH) (BEHIND UPPER LT GRN WIRE LT GRN/BLK WIRE PGM-FI MAIN RELAY 1 POWER SUPPLY CIRCUIT/CONTROLLER AREA NETWORK CONTOLLER RED WIRE RED/YEL WIRE RESUME + SWITCH SET SWITCH STEERING WHEEL) TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1-BRAKE 2-TAIL 1-BRAKE 2-TAIL RIGHT LICENSE PLATE LIGHT B-CAN BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CARGO AREA LIGHT RELAY CARGO LT RLY COMBINATION LIGHT SWITCH COMBINATION SWITCH CONTROL UNIT FUSE 1 FUSE 21 FUSE 30 FUSE 7 GRN WIRE GRN/RED WIRE GRY/YEL WIRE HAZ SW HAZARD WARNING SWITCH HAZARD WARNING SWITCH LIGHT HEAD PARK HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN ON OR START IN-BED TRUNK LID ACTUATOR/ LATCH SWITCH (IN-BED TRUNK LID) IN-BED TRUNK LID LATCH SWITCH INTERIOR LIGHTS, NAVIGATION SYSTEMS LEFT BRAKE LIGHT/ TAILLIGHT LEFT LICENSE PLATE LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT TAILLIGHT ASSEMBLY LT GRN WIRE LT SW CARGO MICU VBU OFF RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BRAKE LIGHT/ TAILLIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TAILLIGHT ASSEMBLY SG-1 STOP SW SW TAILGATE SW TRUNK TAILGATE SWITCH (RIGHT REAR OF CARGO AREA) TURN R TURN L TURN SIGNAL LIGHT SWITCH TURN SIGNAL/ HAZARD RELAY UNDER-DASH FUSE/ RELAY BOX (AT LEFT KICK PANEL) WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIPER/WASHER SWITCH YEL WIRE YEL/BLU WIRE

+BATT STOP SW ELEC BRAKE GND ATP-R AUXILIARY UNDER-HOOD FUSE BOX (LEFT REAR OF ENGINE COMPARTMENT) BACK-UP LIGHTS RELAY (UNDER LEFT SIDE OF DASH) BACKUP LIGHTS DIODE (UNDER MIDDLE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE ELECTRIC BRAKE SWITCH (IF EQUIPPED) FUSE 1 FUSE 21 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GAUGE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START J/C MICU ORG/ WIRE PCM (RIGHT REAR OF ENGINE COMPARTMENT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE TRAILER CONNECTOR 1 (IF EQUIPPED) (BEHIND MIDDLE OF REAR BUMPER) TRAILER CONNECTOR 2 TRAILER LIGHTING CONTROL UNIT (IF EQUIPPED) TRAILER LIGHTING RELAY 1 (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) TRAILER LIGHTING RELAY 2 (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

5 22 23 B+ AS UNLOCK B-CAN BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE D/L LOCK DOOR LOCK SWITCH DR UNLOCK DRIVER'S DOOR DRIVER'S DOOR IMMOBILIZER SWITCH CIRCUIT (ON LEFT "B" PILLAR) FRONT PASSENGER'S POWER WINDOW SWITCH/DOOR LOCK SWITCH FUSE 21 FUSE 33 FUSE 7 FUSE 8 GAUGE CONTROL MODULE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/KEY LIGHT (NEAR IGNITION KEY CYLINDER) LOCK LT GRN/RED WIRE MICU PNK/BLK WIRE PNK/BLU WIRE POWER SUPPLY CIRCUIT/ CONTROLLER NETWORK CONTROLLER RED/BLU WIRE RED/WHT WIRE RIGHT REAR DOOR SWITCH (ON RIGHT "C" PILLAR) TRUNK UNLOCK TRUNK HANDLE SW TAILGATE SW TRUNK ACT TRUNK SW UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) UNLOCK VBU WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

11 1 MICU GND PG B-CAN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BOX) BRN WIRE COMBINATION LIGHT SWITCH COMBINATION SWITCH CONTROL UNIT CONTROL BLOCK DIMMER SWITCH DRL RELAY (UNDER LEFT SIDE OF DASH) ELD UNIT FOG LIGHT RELAY (IF EQUIPPED) (RIGHT FOG LIGHT SWITCH FUSE 1 FUSE 18 FUSE 21 FUSE 3 FUSE 3 (AT LEFT KICK PANEL) FUSE 5 FUSE 6 FUSE 7 GAUGE CONTROL MODULE GRN/ORG WIRE HEADLIGHT SWITCH HIGH BEAM HEADLIGHT RELAY HIGH PASS HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM LEFT FOG LIGHT LEFT HEADLIGHT LOW BEAM CUT RELAY (UNDER LEFT SIDE OF DASH) LOW BEAM HEADLIGHT RELAY LT GRN WIRE MICU MULTI- FUSE 22 OFF ON IND FOG LIGHT SWITCH LIGHT PARKING BRAKE SWITCH (TOP OF PARKING BRAKE PEDAL) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY CONTROL MODULE RIGHT FOG LIGHT RIGHT HEADLIGHT SG-1 UNDER-DASH FUSE/RELAY UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPT) VBU DAY LT WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE WIPER/WASHER SWITCH YEL WIRE YEL/RED WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY A/C DIODE ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SWITCH AC CONDENSER FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) AUXILIARY UNDER-HOOD RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ECT SENSOR 2 (AT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FAN CONTROL RELAY FUSE FUSE 12 FUSE 19 FUSE 21 FUSE 23 FUSE 30 BOX (AT LEFT KICK PANEL) GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND HIGH FAN CONTROL HOT AT ALL TIMES HOT IN ON LOW FAN CONTROL RELAY CONTROL LT BLU WIRE MAIN RELAY 1 PCM (RIGHT REAR OF ENGINE COMPARTMENT) RADIATOR FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) RADIATOR FAN RELAY RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT UNDER-DASH FUSE/RELAY UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE