GMC Hummer EV I (2021-2024) red/yel Wiring diagrams

ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 ACTIVE GRILLE AIR SHUTTER ACTUATOR 2 BLK WIRE BLU/ORG WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC RED/YEL WIRE

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

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

ACC PEDAL POSITION 5 VOLT REF 2 ACC PEDAL POSITION LOW REF 1 ACC PEDAL POSITION LOW REF 2 ACC PEDAL POSITION SIG (1) ACC PEDAL POSITION SIG 2 AUTOSAR CAN BUS (+) 9 SERIAL DATA BRK APPLY SENS LOW REF AUTOSAR CAN BUS (-) 9 SERIAL DATA BATTERY ENERGY CONTROL MODULE 1 (FRONT OF LEFT REAR WHEELWELL) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS SIG BRN/GRN WIRE BRN/RED WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SET/COAST/RESUME/ ACCELERATE SW SIG CRUISE CONTROLS SWITCH CRUISE SWITCH DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SWITCH SIGNAL ELECTRONIC POWER STEERING SWITCH FORWARD COLLISION ALERT WARNING SWITCH GRN WIRE GRN/WHT WIRE GROUND STEERING WHEEL RESISTOR LADDER LOW REFERENCE BATT POS VOLT GRY/GRN WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC ORG/ WIRE PNK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK STEERING WHEEL AIR BAG COIL SW LOW SIG SYSTEM TRANSMISSION VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/BLU WIRE GRY/RED WIRE HANDWHEEL CHANNEL A ANGLE POS SENS SENT SIG HANDWHEEL CHANNEL A HIGH REF HANDWHEEL CHANNEL A LOW REF HANDWHEEL CHANNEL A TORQUE PRESS SENS 1 SENT SIG HANDWHEEL CHANNEL A TORQUE PRESS SENS 2 SENT SIG HANDWHEEL CHANNEL B ANGLE POS SENS SENT SIG HANDWHEEL CHANNEL B HIGH REF HANDWHEEL CHANNEL B LOW REF HANDWHEEL CHANNEL B TORQUE PRESS SENS 1 SENT SIG HANDWHEEL CHANNEL B TORQUE PRESS SENS 2 SENT SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC POS A POS B POWER STEERING ASSIST MOTOR POWER STEERING CONTROL MODULE (ON FRONT STEERING RACK) REAR POWER STEERING CONTROL MODULE (ON CENTER OF REAR STEERING RACK) RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE STEERING GEAR TORQUE, ANGLE SENSOR (UNDER VEHICLE, ON FRONT STEERING RACK) VIO WIRE WHT WIRE YEL/GRN WIRE

BLK WIRE BLK/YEL WIRE BLU/BRN WIRE DRL FRONT BUMPER FASCIA AUXILIARY SIGNAL LAMP FRONT FASCIA LAMP LED DRIVER MODULE GRY/BLU WIRE HEADLAMP COOLING FAN HIGH BEAM HOT AT ALL TIMES LEFT FRONT HEADLAMP LEFT LOWER HEADLAMP LED DRIVER MODULE LEFT UPPER HEADLAMP LED DRIVER MODULE LOW BEAM POWER DISTRIBUTION RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SYSTEM WHT WIRE WHT/BLU WIRE YEL WIRE

AIR CONDITIONING SYSTEM AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE COMPUTER DATA LINES SYSTEM DRL GRN/YEL WIRE GRY/BLU WIRE HEADLAMP COOLING FAN HIGH BEAM LEFT FRONT DRL CONTROL LIGHTING CONTROL MODULE LOGIC LOW BEAM LT HEADLAMP HI BEAM CTRL LT HEADLAMP LO BEAM CTRL PARK BRAKE SWITCH PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT DRL CONTROL RIGHT FRONT HEADLAMP RIGHT LOWER HEADLAMP LED DRIVER MODULE RIGHT UPPER HEADLAMP LED DRIVER MODULE RT HEADLAMP HI BEAM CTRL RT HEADLAMP LO BEAM CTRL SUNLOAD TEMPERATURE, HEADLAMP AUTOMATIC CONTROL AMBIENT LIGHT SENSOR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

BAT POS VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/BLK WIRE CAN BUS (+) 4 SERIAL DATA CAN BUS (+) 4 SERIAL DATA SEAT MEMORY SW SET SIG COAX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER, EXTERIOR LIGHTS, NAVIGATION SYSTEMS DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRIVER SIDE OBJECT DETECTION INDICATOR FOLDING SWITCH GRN/YEL WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT SIDE VIEW DRIVER INFORMATION CAMERA LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM NCA WIRE RED/VIO WIRE RED/YEL WIRE RIGHT RWD SEAT MEMORY SW SIG 1 VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT 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