Honda Ridgeline II facelift (2021-2024) rear of engine compt) Wiring diagrams

12 VOLT BATTERY 12 VOLT BATTERY SENSOR 12 VOLT CHARGING SYSTEM IND ALTERNATOR AUXILIARY UNDER-DASH FUSE/RELAY BOX AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BLU WIRE BRN WIRE CABLE REEL CANADA, USA EXCEPT SPORT, RTL CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER CPU/MAIN POWER SUPPLY CIRCUIT/ DRIVE F-CAN F-CAN H F-CAN L FUSE 1 FUSE 1-6 FUSE 4 16 FUSE 7 GAUGE CONTROL MODULE GRN WIRE HEATED STEERING WHEEL CONTROL UNIT HOT W/ HOT W/ DC-DC CONVERTER INDICATOR LT BLU WIRE PCM REAR OF ENGINE COMPT) RED WIRE STARTER TAN WIRE TRANSCEIVER/ UNDER-DASH FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY BOX USA SPORT, RTL W/ HEATED STEERING WHEEL WHT WIRE

AC INVERTER ACC RELAY AUDIO- NAVIGATION UNIT AUXILIARY UNDER-DASH FUSE/RELAY BOX AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BRAKE FLUID LEVEL SWITCH CONSOLE ACCESSORY POWER SOCKET RELAY DC-DC CONVERTER DC-DC CONVERTER ACC RELAY DIODE C ENGINE MOUNT CONTROL UNIT EPS CONTROL UNIT FRONT POWER TRANSISTOR HEATED WINDSHIELD WIPER AREA HOOD LATCH SWITCH IN-BED TRUNK LID RELEASE ACTUATOR RELAY KEYLESS BUZZER LEFT BACKUP LIGHT LEFT LICENSE PLATE LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT SIDE BSI RADAR UNIT LEFT TAILLIGHT/BRAKE/ REAR SIDE MARKER LIGHT POWER DOOR LOCK RELAY (DOOR UNLOCK) POWER DOOR LOCK RELAY (LOCK) POWER DOOR LOCK RELAY (UNLOCK) REAR OF ENGINE COMPT) REAR POWER TRANSISTOR RIGHT END OF DASH) RIGHT SIDE BSI RADAR UNIT TAILGATE LATCH SYNCHRONIZER TOP OF ENGINE) TRAILER LIGHTING 10 PIN CONNECTOR TRAILER LIGHTING 7 PIN CONNECTOR W/O AC POWER OUTLET WASHER FLUID LEVEL SWITCH WHT WIRE WINDSHIELD WIPER MOTOR

AUTO HIGH-BEAM INDICATOR (GREEN) AUTOMATIC LIGHTING CONTROL UNIT/SENSOR AUTOMATIC LIGHTING/ RAIN SENSOR AUXILIARY UNDER-DASH FUSE/RELAY BOX BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CPU/MAIN POWER SUPPLY CIRCUIT/CONTROLLER AREA NETWORK CONTROLLER DC-DC CONVERTER DIMMING CIRCUIT DOOR LOCKS SYSTEM F-CAN H F-CAN L F-CAN TRANSCEIVER FRONT FOG LIGHT INDICATOR FRONT FOG LIGHT RELAY FUSE 1 FUSE 26 15 FUSE 6 GAUGE CONTROL MODULE GRN WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES HOT W/ DC-DC INDICATOR DRIVE CIRCUIT LEFT FRONT FOG LIGHT LIGHTS ON INDICATOR LT GRN WIRE PARKING BRAKE SWITCH PPL REAR OF ENGINE COMPT) RED WIRE RELAY 1 ENERGIZED RIGHT FRONT FOG LIGHT TAN WIRE UNDER-HOOD FUSE/RELAY BOX W/O AC POWER OUTLET WHT WIRE YEL WIRE

12 VOLT BATTERY 12 VOLT BATTERY SENSOR ALTERNATOR AUTOMATIC DIMMING INSIDE MIRROR/ HOMELINK UNIT AUTOMATIC LIGHTING CONTROL UNIT-SENSOR AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BLU WIRE BRN WIRE CAN GATEWAY DATA LINK CONNECTOR (DLC) EPS CONTROL UNIT FUSE 1 1 FUSE 1-2 FUSE 1-5 FUSE 1-6 FUSE 1-7 FUSE 11 FUSE 15 FUSE 16 FUSE 2-4 FUSE 2-7 FUSE 25 FUSE 26 FUSE 28 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 9 GAUGE CONTROL MODULE GRY WIRE HEATED WINDSHIELD WIPER AREA RELAY HORN RELAY I-VTM CONTROL UNIT I-VTM RELAY RELAY HOLDER E KEYLESS ACCESS/TPMS CONTROL UNIT LEFT "C" PILLAR) LT GRN WIRE MICU MULTI-PURPOSE CAMERA ORG/ WIRE POWER MIRROR CONTROL UNIT POWER SEAT CONTROL UNIT POWER WINDOW MASTER SWITCH REAR OF ENGINE COMPT) REAR SEAT HEATER RELAY RELAY HOLDER F RED WIRE RELAY HOLDER B UNDER-HOOD FUSE/RELAY BOX RELAY HOLDER G (BEHIND LEFT REAR SEAT) STARTER STEREO AMPLIFIER TAILGATE LATCH SYNCHRONIZER ACTUATOR RELAY (LOCK) TAILGATE LATCH SYNCHRONIZER ACTUATOR RELAY (UNLOCK) RELAY HOLDER F TAN WIRE TO FUSE 1-3 (DIAGRAM 2 OF 10) TO FUSE 12 (DIAGRAM 9 OF 10) TO FUSE 13 (DIAGRAM 2 OF 10) TO FUSE 14 (DIAGRAM 6 OF 10) TO FUSE 2-1 (DIAGRAM 10 OF 10) TO FUSE 8 (DIAGRAM 5 OF 10) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 10) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 7 OF 10) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 8 OF 10) TO UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 7 OF 10) TO WIRELESS CHARGER (DIAGRAM 5 OF 10) TRAILER CHARGE RELAY TRAILER ELECTRIC BRAKE 4 PIN CONNECTOR TRAILER LIGHTING CONTROL UNIT TRAILER SMALL LIGHT RELAY UNDER-DASH FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY BOX W/O AC POWER OUTLET WHT WIRE YEL WIRE

ACC RELAY AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BLU WIRE BRN WIRE ELECTRIC STEERING LOCK ENGINE START/STOP SWITCH FROM AUXILIARY UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 10) FROM FUSE 1-7 (DIAGRAM 1 OF 10) FROM FUSE 15 (DIAGRAM 1 OF 10) FUSE 1-3 FUSE 1-6 FUSE 10 FUSE 12 FUSE 13 FUSE 14 FUSE 17 FUSE 22 FUSE 24 FUSE 29 FUSE 3 FUSE 31 FUSE 39 FUSE 9 GRN WIRE IMMOBILIZER KEYLESS ACCESS/TPMS CONTROL UNIT LF ANTENNA LT BLU WIRE LT GRN WIRE MICU PCM PNK WIRE PPL REAR OF ENGINE COMPT) RED WIRE REG REVERSE RELAY STARTER CUT RELAY 1 STARTER CUT RELAY 2 STEERING ANGLE SENSOR TAN WIRE TO DC-DC CONVERTER (DIAGRAM 4 OF 10) TO DIODE B (DIAGRAM 3 OF 10) TO FUSE 21 (DIAGRAM 5 OF 10) TO FUSE 28 (DIAGRAM 3 OF 10) TO FUSE 40 (DIAGRAM 5 OF 10) TO FUSE 6 (DIAGRAM 3 OF 10) TO POWER WINDOW RELAY (DIAGRAM 5 OF 10) WHT WIRE YEL WIRE

AUXILIARY UNDER-HOOD FUSE/RELAY BOX CAN GATEWAY DIODE B FROM FUSE 24 (DIAGRAM 2 OF 10) FROM FUSE 29 (DIAGRAM 2 OF 10) FROM REVERSE RELAY (DIAGRAM 2 OF 10) FUSE 10 FUSE 28 FUSE 32 FUSE 6 FUSE 7 FUSE 8 GRN WIRE HAZARD WARNING SWITCH/FRONT PASSENGER'S AIR BAG CUT-OFF INDICATOR I-VTM CONTROL UNIT INTELLIGENT TRACTION MANAGEMENT SWITCH STOP OFF SWITCH PARKING, BACKUP SENSOR CONTROL UNIT PARKING, BACKUP SENSOR/ LDW/ RDM OFF SWITCH PCM PGM-FI MAIN RELAY 2 POWER MIRROR CONTROL UNIT POWER SEAT CONTROL UNIT PPL REAR DIFFERENTIAL PUMP MOTOR REAR OF ENGINE COMPT) RED WIRE RELAY CIRCUIT BOARD UNDER-HOOD FUSE/RELAY BOX SBW SHIFTER CONTROL MODULE SNOW SWITCH/ IDLE STOP OFF SWITCH SRS UNIT TO AUXILIARY UNDER- DASH FUSE/RELAY BOX (DIAGRAM 4 OF 10) TO AUXILIARY UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 4 OF 10) UNDER-DASH FUSE/RELAY BOX WINDSHIELD WIPER HIGH/LOW RELAY WINDSHIELD WIPER INTERMITTENT RELAY YEL WIRE

12 VOLT BATTERY FAN 12-PIN CONNECTOR ACTIVE CONTROL ENGINE MOUNT (ACM) CONTROL RELAY ALTERNATOR ANC/ ACTIVE SOUND CONTROL UNIT AUDIO UNIT (W/O NAVIGATION) AUDIO- NAVIGATION UNIT AUXILIARY UNDER-DASH FUSE/RELAY BOX BLK WIRE BLU WIRE BRAKE LIGHT RELAY RELAY HOLDER A BRAKE PEDAL POSITION SWITCH BRN WIRE CLIMATE CONTROL UNIT DC-DC CONVERTER (BELOW STEERING COLUMN) DC-DC CONVERTER ACC RELAY 1 ENGINE MOUNT CONTROL UNIT EPS CONTROL UNIT EVAP CANISTER PURGE VALVE FROM AUXILIARY UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 2 OF 10) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 10) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 5 OF 10) FRONT SEAT HEATER CONTROL UNIT FUSE 1 FUSE 2 FUSE 3 FUSE 5 FUSE 6 FUSE 7 GAUGE CONTROL MODULE GRN WIRE LEFT SIDE BSI RADAR UNIT LT BLU WIRE MAF/ IAT SENSOR MILLIMETER WAVE RADAR MULTIPURPOSE CAMERA UNIT ORG/ WIRE PARKING, BACKUP SENSOR RDM SWITCH PCM PPL RDM SWITCH REAR ANC/ ACTIVE SOUND CONTROL MICROPHONE REAR OF ENGINE COMPT) RED WIRE RELAY HOLDER B UNDER-HOOD FUSE/RELAY BOX RIGHT SIDE BSI RADAR UNIT STEERING ANGLE SENSOR TAN WIRE TCM TOP OF ENGINE) USB CHARGER UNIT A VENTILATED SEAT CONTROL UNIT VSA MODULATOR CONTROL UNIT W/ NAVIGATION W/O NAVIGATION W/ NAVIGATION W/O VENTILATION WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY RELAY HOLDER C A/C DIODE A AUTOMATIC DIMMING INSIDE MIRROR AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BRN WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM CONSOLE ACCESSORY POWER SOCKET CONSOLE ACCESSORY POWER SOCKET RELAY DRIVER'S SEAT HEATER SWITCH DRIVER'S VENTILATED SEAT HEATER SWITCH FROM ACC RELAY (DIAGRAM 2 OF 10) FROM FUSE 1-2 (DIAGRAM 1 OF 10) FROM FUSE 3 (DIAGRAM 2 OF 10) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 10) FRONT ACCESSORY POWER SOCKET FRONT ACCESSORY POWER SOCKET RELAY FRONT BLOWER MOTOR RELAY FRONT PASSENGER'S POWER WINDOW SWITCH FRONT PASSENGER'S SEAT HEATER SWITCH FRONT PASSENGER'S VENTILATED SEAT HEATER SWITCH FRONT SEAT HEATER/ VENTILATED SEAT RELAY FUSE 1 FUSE 2 FUSE 21 FUSE 23 FUSE 4 FUSE 40 FUSE 5 FUSE 8 GRN WIRE HEATED STEERING WHEEL RELAY HEATED WINDSHIELD WIPER AREA RELAY IN-BED TRUNK LID RELEASE ACTUATOR RELAY JOINT 4 LEFT "C" PILLAR) LEFT HEADLIGHT (LOW)/ FRONT PARKING/ DAYTIME RUNNING/ SIDE MARKER LIGHT LT GRN WIRE MICU OPTION CONNECTOR AUTOMATIC DIMMING INSIDE MIRROR/ HOMELINK POWER DOOR LOCK RELAY (DOOR UNLOCK) POWER DOOR LOCK RELAY (LOCK) POWER DOOR LOCK RELAY (UNLOCK) POWER MIRROR SWITCH POWER WINDOW MASTER SWITCH POWER WINDOW RELAY PPL REAR BLOWER MOTOR RELAY REAR CONTROL PANEL REAR OF ENGINE COMPT) REAR SEAT HEATER RELAY REAR WINDOW DEFOGGER RELAY RED WIRE RELAY HOLDER F RELAY HOLDER G RELAY HOLDER J RELAY HOLDER K RELAY HOLDER L RIGHT HEADLIGHT (LOW)/ FRONT PARKING/ DAYTIME RUNNING/ SIDE MARKER LIGHT TAN WIRE TO AUXILIARY UNDER- DASH FUSE/RELAY BOX (DIAGRAM 4 OF 10) TRAILER CHARGE RELAY UNDER- DASH FUSE/ RELAY BOX UNDER-DASH FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY BOX WHT WIRE WIRELESS CHARGER

AUXILIARY UNDER-DASH FUSE/RELAY BOX AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BLU WIRE BRN WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM FUSE 1 FUSE 16 FUSE 23 GRN WIRE HOT AT ALL TIMES HOT W/ DC-DC CONVERTER JOINT 4 LEFT REAR SEAT LEFT REAR SEAT BACK HEATER LEFT REAR SEAT CUSHION HEATER LT BLU WIRE LT GRN WIRE PNK WIRE PPL REAR CONTROL PANEL REAR OF ENGINE COMPT) REAR SEAT HEATER CONTROL UNIT REAR SEAT HEATER RELAY RED WIRE RELAY ENERGIZED RELAY HOLDER F (LEFT "C" PILLAR) RELAY HOLDER G (BEHIND LEFT REAR SEAT) RIGHT REAR SEAT RIGHT REAR SEAT BACK HEATER RIGHT REAR SEAT CUSHION HEATER TAN WIRE TRAILER CHARGE RELAY UNDER-DASH FUSE/RELAY BOX WHT WIRE

12 VOLT BATTERY 12 VOLT BATTERY SENSOR AUXILIARY UNDER-HOOD FUSE/RELAY BOX BLK WIRE BLU WIRE BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM DIODE C DOOR LOCKS SYSTEM ENGINE START/STOP SWITCH FUSE 1-3 FUSE 12 FUSE 17 FUSE 3 FUSE 31 GRN WIRE HOT W/ KEYLESS ACCESS/ TPMS CONTROL UNIT LT BLU WIRE LT GRN WIRE MAGNETIC SWITCH MICU PCM PNK WIRE PPL REAR OF ENGINE COMPT) RED WIRE STARTER STARTER CUT RELAY 1 STARTER CUT RELAY 2 TRANSMISSIONS SYSTEM UNDER-DASH FUSE/RELAY BOX WHT WIRE