GMC Hummer EV I (2021-2024) brn Wiring diagrams

1 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS (+) 6 SER DATA AUTOSAR CAN BUS (-) 3 AUTOSAR CAN BUS (-) 5 SER DATA AUTOSAR CAN BUS (-) 7 SER DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN BUS (-) 1 SER DATA CAN BUS (-) 2 SER DATA CHASSIS CONTROL MODULE DRIVER MONITORING SYSTEM MODULE ETHERNET BUS 1 ENABLE SIG ETHERNET BUS IR (+) ETHERNET BUS IT (+) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE LEFT "C" PILLAR) PARKING ASSIST CONTROL MODULE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 PRIVATE SER DATA PRESENTATION RED/YEL WIRE RUN/CRANK RLY COIL CTRL SER DATA VIO WIRE VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

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

BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/WHT WIRE GRY WIRE HORN HORN RELAY HORN RLY CTRL HORN SW SIG HOT AT ALL TIMES STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT WHT 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

BATTERY POSITIVE VOLTAGE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM FRONT PARKING ASSIST DISPLAY CONTROL FRONT PARKING ASSIST SENSOR LOW REFERENCE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT "C" PILLAR) LEFT FRONT ADVANCED PARKING ASSIST ALARM SENSOR LEFT FRONT ADVANCED PARKING ASSIST SIDE OBJECT SENSOR SIGNAL LEFT FRONT MIDDLE PARKING ASSIST ALARM SENSOR LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT FRONT OUTER PARKING ASSIST ALARM SENSOR LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR ADVANCED PARKING ASSIST SIDE OBJECT SENS SIG OBJECT SENS LOW REF LEFT REAR MIDDLE PARKING ASSIST SENS SIG LEFT REAR OUTER PARKING ASSIST SENS SIG OBJECT SENS VOLT REF RIGHT REAR OUTER PARKING ASSIST SENS SIG PARKING ASSIST CONTROL MODULE RED/WHT WIRE RIGHT FRONT ADVANCED PARKING ASSIST ALARM SENSOR RIGHT FRONT ADVANCED PARKING ASSIST SIDE OBJECT SENSOR SIGNAL RIGHT FRONT MIDDLE PARKING ASSIST ALARM SENSOR RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER PARKING ASSIST ALARM SENSOR RIGHT FRONT OUTER PARKING ASSIST SENSOR RIGHT REAR ADVANCED PARKING ASSIST SIDE OBJECT SENS SIG RIGHT REAR MIDDLE PARKING ASSIST SENS SIG SIGNAL GROUND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT 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

ACTUATOR LOCK CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS 9 BRN WIRE CHANNEL 2 PPL VCC COMPUTER DATA LINES SYSTEM DISPLAY DOOR LOCKS SYSTEM DOWN GND (UP) GND DOWN GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LAMP 6 7 LEFT + STOP SW LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PICKUP BOX COVER STOP SWITCH LOCK ACTUATOR LOCK ACU UNLOCK CTRL 1 LOGIC MTR NCA WIRE NOT USED NOT USED ORG/ WIRE PICKUP BOX COVER MOTOR (FRONT RIGHT OF PICKUP BOX) PICKUP BOX COVER MOTOR CONTROL MODULE PICKUP BOX COVER OPEN/CLOSE SWITCH PICKUP BOX COVER STATUS INDICATOR PICKUP BOX TONNEAU COVER BLUNT CUT PNK WIRE PPL RED WIRE RED/BLU WIRE RED/YEL WIRE RF DOOR LOCK ACU LOCK CTRL RIGHT + STOP SW RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PICKUP BOX COVER STOP SWITCH SHIELD UNLOCK CTRL 1 RF DOOR LOCK W/ RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY W/O RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH EXPRESS GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH LOCKOUT INDICATOR LOGIC PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT FRONT RIGHT REAR VIO/GRY WIRE WHT/BRN WIRE WINDOW LOCK SWITCH WINDOW SWITCH YEL 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

AUTOSAR CAN BUS (+) 4 SERIAL DATA AUTOSAR CAN BUS (-) 4 SERIAL DATA FRONT CLOSURE CINCH LATCH MTR PWR ENABLE BATT POS VOLT BATTERY VOLTAGE BLK WIRE BLK/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FRONT CLOSURE CINCH LATCH MTR CINCH CTRL FRONT CLOSURE CINCH LATCH MTR PWR ENABLE FRONT CLOSURE CINCH LATCH MTR RELEASE CTRL FRONT CLOSURE LATCH NEUTRAL STATUS SIG FRONT CLOSURE LATCH PRIMARY STATUS SIG FRONT CLOSURE LATCH SECONDARY STATUS SIG FRONT CLOSURE OPEN/CLOSE MTR CLOSE CTRL FRONT CLOSURE OPEN/CLOSE MTR OPEN CTRL FRONT CLOSURE POS SEN LOW REFERENCE FRONT CLOSURE POS SEN SIG 1 FRONT CLOSURE POS SEN SIG 2 FRONT CLOSURE POS SEN VOLT REFERENCE FRONT CLOSURE POS SENS 2 SIG 2 FRONT CLOSURE POSITION SENSOR 2 SIG 1 GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT HOOD POWER ASSIST ACTUATOR LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIGHTING CONTROL MODULE NCA WIRE POWERTRAIN COMPARTMENT COVER MODULE (LEFT REAR OF FRONT COMPT) RED/VIO WIRE RIGHT END OF DASH) RIGHT HOOD POWER ASSIST ACTUATOR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLK WIRE