GMC Hummer EV I (2021-2024) accessory power receptacle switch Wiring diagrams

ACCESSORY POWER RECEPTACLE SWITCH AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT +VE VOLTAGE BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY ENDGATE RELEASE SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GROUND GROUND PICKUP BOX ENDGATE LATCH RELAY GRY WIRE HIGH MOUNT STOP LAMP HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PICKUP BOX ENDGATE LATCH LIGHTING CONTROL MODULE (RIGHT END OF DASH) LOGIC MAJOR ENDGATE AJAR SIG MAJOR ENDGATE HI RLY CTRL MAJOR ENDGATE LOW RLY CTRL MAJOR ENDGATE REL SWITCH SIGNAL EXTERIOR MAJOR ENDGATE REL SWITCH SIGNAL INTERIOR NCA WIRE PICKUP BOX ENDGATE LATCH HANDLE RED/GRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PICKUP BOX ENDGATE LATCH SUPPLY VOLTAGE PICKUP BOX ENDGATE LATCH RELAY WHT/GRN WIRE YEL/BLK WIRE

ACCESSORY POWER RECEPTACLE SWITCH BACKUP LAMP BACKUP LAMPS CIRCUIT BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CINCH LATCH ENABLE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT CLOSURE GRN/WHT WIRE GRY/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT LATCH PICKUP BOX ENDGATE LEFT REAR BODY STRUCTURE STOP LAMP LEFT TURN LAMPS LOGIC MOTOR POWER PARK LIGHTS POWERTRAIN COMPARTMENT COVER MODULE RED/BLU WIRE RED/GRY WIRE RIGHT REAR BODY STRUCTURE STOP LAMP RIGHT TURN LAMPS) STOP LAMP WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/GRN WIRE

ACCESSORY POWER RECEPTACLE SWITCH AUTOMATED DRIVING MAPPING MODULE BLK WIRE BLK/WHT WIRE BLU/RED WIRE BODY CONTROL MODULE COMMUNICATION CENTER CALL SWITCH CRUISE CONTROL SWITCH DATA LINK CONNECTOR DIMMER SWITCH DRIVER MONITORING SYSTEM MODULE FORWARD COLLISION ALERT DISPLAY GRN/ORG WIRE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT FLOOR COURTESY LAMP NCA WIRE ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH RADIO CONTROL STEERING COLUMN CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL HORN CONTACT STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL RADIO FAVORITES SWITCH STEERING WHEEL RADIO VOLUME SWITCH TRAILER BRAKE CONTROL SWITCH TURN SIGNAL SWITCH WINDSHIELD FRONT VIEW CAMERA WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT AND HUMIDITY SENSOR

ACCESSORY POWER RECEPTACLE SWITCH AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DISPLAY DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN/YEL WIRE HEATER, AIR CONDITIONING AUXILIARY CONTROL HOT AT ALL TIMES INDICATOR DIMMING CONTROL INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL LAMP DIMMER SW SIG INSTRUMENT PANEL LP DIMMER SW LOW REF INTERIOR LAMP SWITCH LED BACKLIGHT DIMMING CONTROL 1 LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC PARKING BRAKE CONTROL SWITCH REAR WINDOW SWITCH RED/GRY WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK STEP DIM BACKLIGHT WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE

ACCESSORY POWER RECEPTACLE SWITCH ALERT LED CTRL ALERT LED CTRL LIN BUS 1 AUTOSAR SER DATA CAN BUS SER DATA 2 + AUTOSAR SER DATA CAN BUS SER DATA 4 + BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL SYSTEM DAY NIGHT LED CTRL DIMMING CTRL DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SW SIG DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION WARNING SWITCH GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE LANE DEPARTURE WARN DISABLE SW SIG LANE DEPARTURE WARN IND CTRL LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LOGIC LR SEAT HAPTIC MOVEMENT MOTOR CONTROL NCA WIRE PNK WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RR SEAT HAPTIC MOVEMENT MOTOR CONTROL STEERING WHEEL AIR BAG COIL STRG WHEEL RESISTOR LADDER LOW REF VEHICLE AHEAD IND VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL/BRN WIRE

ACCESSORY POWER RECEPTACLE SWITCH AUXILIARY FRONT STOWAGE COMPARTMENT COVER LATCH RELEASE SWITCH BATT POS VOLT BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS 9 BRN WIRE BRN/BLU WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DISPLAY ENGINE COMPARTMENT COVER SWITCH FRONT CLOSURE AJAR SW SIG FRONT CLOSURE RELEASE EXTERIOR SW SIG FRONT CLOSURE RELEASE INTERIOR SW SIG FRONT COMPT ENTRAPMENT RELEASE SW SIG FRONT CLOSURE RELEASE INTERIOR SW WAKEUP SIG FRONT CLOSURE RELEASE INTERIOR SWITCH FRONT STOWAGE COMPARTMENT COVER LATCH RELEASE SWITCH GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC NCA WIRE POWERTRAIN COMPARTMENT COVER CINCH LATCH MOTOR RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK WHT/GRN WIRE WHT/VIO WIRE YEL/BLK WIRE

ACCESSORY POWER RECEPTACLE SWITCH ALL WINDOWS OPEN SW SIG ALL WINDOWS OPEN SWITCH AUTOSAR CAN BUS (-) 9 SERIAL DATA BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR EXPRESS GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE ILL LOGIC PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RED/BRN WIRE RED/GRY WIRE RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH VIO/GRY WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE