GMC Hummer EV I (2021-2024) blu/blk Wiring diagrams

AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BRAKE SYSTEM CONTROL MODULE LIN BUS 2 BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SIGNAL BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE SYSTEM CONTROL MODULE BRAKE SYSTEM CTRL MODULE LIN BUS 1 COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CTRL LEFT FRONT WHEEL SPEED SENSOR SIG LEFT PARK BRAKE ACTUATOR LEFT PARK BRAKE MOTOR LOW REF LEFT PRK BRK MTR APPLY CTRL LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CTRL LEFT REAR WHEEL SPEED SENSOR SIG NCA WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR SIGNAL RIGHT INSTRUMENT WIRING HARNESS JUNCTION BLOCK RIGHT PARK BRAKE ACTUATOR RIGHT PARK BRAKE MOTOR APPLY CTRL RIGHT PARK BRAKE MOTOR LOW REF RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR CTRL RIGHT REAR WHEEL SPEED SENSOR SIG RUN/CRANK IGNITION 1 VOLTAGE TRAILER BRAKE APPLY SIGNAL TRAILER BRAKE ENABLE SIGNAL VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUTOSAR CAN BUS SERIAL DATA (+) 8 AUTOSAR CAN BUS SERIAL DATA (-) 3 AUTOSAR CAN BUS SERIAL DATA 2 - BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES ETHERNET BUS 11 (-) GRN/GRY WIRE HOT AT ALL TIMES IMAGE PROCESSING MODULE INERTIAL SENSOR SUPPLY VOLTAGE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SHORT RANGE RADAR SENSOR RED/GRN WIRE RED/WHT WIRE RIGHT REAR SHORT RANGE RADAR SENSOR SIGNAL GROUND SYSTEM VEHICLE DYNAMICS SENSOR VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

1 SER DATA AUTO SAR CAN BUS AUTO SAR CAN BUS (+) 2 SER DATA AUTO SAR CAN BUS (+) 3 SER DATA AUTO SAR CAN BUS (+) 4 SER DATA AUTO SAR CAN BUS (+) 5 SER DATA AUTO SAR CAN BUS (+) 8 SER DATA AUTO SAR CAN BUS (-) 1 SER DATA AUTO SAR CAN BUS (-) 8 SER DATA SIG GND AUTOSAR CAN BUS (-) 5 BATT POS VOLT BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA ETHERNET BUS 3 (+) GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE HOT AT ALL TIMES IGNITION MAIN RELAY ON/OFF VEHICLE SWITCH POWERTRAIN POWERTRAIN CAN PRIVATE SER DATA RADIO CONTROL RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS BUS ENABLE SER DATA SERIAL DATA GATEWAY MODULE (LEFT CENTER OF DASH) VIDEO PROCESSING MODULE (UNDER RIGHT SIDE OF DASH) VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE

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

9 SER DATA ACTIVE SAFETY CAN AUTO SAR CAN BUS AUTOMATIC LEVEL CONTROL MODULE AUTOSAR CAN BUS (-) 2 AUTOSAR CAN BUS (-) 3 AUTOSAR CAN BUS (-) 8 BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA DRIVE MOTOR CONTROL MODULE 1 (TOP OF FRONT ELECTRIC DRIVE TRANSMISSION MODULE) ETHERNET BUS 11 (-) GRN WIRE GRN/GRY WIRE IMAGE PROCESSING MOD LIN BUS 1 MOD PRIVATE CAN POWER STEERING CONTROL MODULE (ON FRONT STEERING RACK) PRIVATE SER DATA SER DATA SUSPENSION CONTROL MODULE TRACTION PWR INV VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

3 SER DATA 9 SER DATA AUTO SAR CAN BUS AUTOSAR CAN BUS (-) 4 AUTOSAR CAN BUS (-) 5 BATTERY ENERGY CONTROL MODULE 2 (FRONT OF RIGHT REAR WHEELWELL) BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE SYSTEM CONTROL MODULE BRK SYSTEM CTRL DRIVER SEAT ADJUSTER DRIVER SEAT ADJUSTER MEMORY MODULE ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE IP CLUSTER CTRL MOD LIN BUS 1 MOD LIN BUS 1 MOD LIN BUS 2 PARKING BRAKE CONTROL SWITCH POWERTRAIN COMPARTMENT COVER MODULE PRIVATE SER DATA ACTIVE SAFETY CAN BUS (-) SER DATA SER DATA TRAILER BRAKE CONTROL MODULE TRAILER BRAKE CONTROL SWITCH VEHICLE DYNAMICS SENSOR VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

ACCELERATOR PEDAL POSITION SENSOR AUTOSAR CAN BUS (+) 3 SERIAL DATA BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE PEDAL POSITION SENSOR BRAKE SYSTEM CONTROL MODULE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CRUISE IND DISPLAY GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT WHEEL SPD SENSOR CTRL LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPD SENS CTRL 5 4 LEFT FRONT WHEEL SPD SENS SIG LEFT REAR WHEEL SPD SENS SIG LEFT REAR WHEEL SPEED SENSOR LOGIC MODE SWITCH NCA WIRE RIGHT FRONT WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPD SENS SIG RIGHT REAR WHEEL SPD SENS SIG RIGHT REAR WHEEL SPEED SENSOR SERIAL DATA STEERING WHEEL RADIO FAVORITES SWITCH VIO WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BACKUP LAMP CONTROL BATTERY POSITIVE VOLTAGE BK COAX (AM/FM) ANTENNA RF SIG BK USB INFOTAINMENT DISPLAY SIG BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE COAX COAX CU COAXIAL ANTENNA XM SIG COMPUTER DATA LINES SYSTEM DISPLAY ENGINE CONTROLS SYSTEM ETHERNET BUS 2 (-) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LOGIC LVDS LVDS GY INFOTAINMENT DISPLAY SIG MICROPHONE (-) SIG (PINS: 13 TO 29 NOT USED) NAVIGATION SYSTEM PERFORMANCE DATA RECORDER DIFFERENTIAL LOW VOLTAGE OG RADIO RADIO CONTROL RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIG GROUND SIGNALING LVDS SIG COAX BG COAXIAL ANTENNA WLAN SIG STEERING WHEEL RADIO FAVORITES SWITCH STEERING WHEEL RADIO VOLUME SWITCH TAN WIRE USB VIO/YEL WIRE VOICE RECOGNITION AUDIO (-) CTRL MICROPHONE (+) SIG VOICE RECOGNITION AUDIO SIG VOLUME- WHT WIRE YEL WIRE

ACTIVE NOISE CANCELLATION MICROPHONE 1 FEEDBACK SIGNAL ACTIVE NOISE CANCELLATION MICROPHONE 1 SIGNAL AUDIO AMPLIFIER AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (-) CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT RADIO SPEAKER INSTRUMENT PANEL LEFT FRONT SPEAKER 1 (+) CTRL LEFT FRONT SPEAKER CTRL (+) 1 LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK NCA WIRE RADIO FRONT CENTER SPEAKER RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE REAR/LEFT REAR SURROUND SPEAKER (-) CTRL RED/GRN WIRE RIGHT FRONT MIDRANGE SPEAKER (+) CTRL RIGHT FRONT RADIO SIDE DOOR SPEAKER RIGHT FRONT RADIO SPEAKER INSTRUMENT PANEL RIGHT FRONT RADIO WINDSHIELD SIDE GARNISH MOLDING SPEAKER RIGHT FRONT SPEAKER 1 (+) CTRL RIGHT FRONT SPEAKER CTRL (+) 1 RIGHT SUBWOOFER (-) CTRL BATTERY POSITIVE VOLTAGE RIGHT SUBWOOFER CTRL (+) SIG GROUND VIO/BLU WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AXLE DIFF LOCK SW SIG BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 3 SERIAL DATA REAR AXLE DIFF LOCK IND CTRL CHASSIS CONTROL MODULE (LEFT SIDE OF FRONT COMPT) COMPUTER DATA LINES SYSTEM DOWN FRONT AXLE DIFF LOCK IND CTRL FRONT DIFF LOCK ACTUATOR CTRL FRONT DIFF LOCK ACTUATOR LOW CTRL GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLT ILL LOGIC P SWITCH RED/GRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGN 1 VOLT SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) BATTERY POS VOLT SERIAL DATA (-) SENS BUS ENABLE SOUND SYSTEMS VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE