GMC Hummer EV I (2021-2024) hot w/ ignition main relay energized 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

ABS IND. AUTOSAR CAN BUS (-) 9 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRAKE APPLY SENSOR CONTROL BRAKE APPLY SENSOR LOW REFERENCE BRAKE APPLY SENSOR SIGNAL BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM DISPLAY ECS IND ECS OFF IND GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIGNAL GND VIO/WHT WIRE WHT WIRE WHT/GRN WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE LIN BUS 3 COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN/BLK WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT SIDE OBJECT DETECTION LED CONTROL LIN BUS 1 LOGIC NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT SIDE OBJECT DETECTION LED CONTROL VIO/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER GRN/VIO WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN LOGIC NCA WIRE PASSENGER FRONT SEAT BACK HEATER PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION HEATER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK VIO/BLU WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE

ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR LOW REFERENCE AMBIENT AIR TEMPERATURE SENSOR SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA BATTERY ENERGY CONTROL MODULE 1 (FRONT OF LEFT REAR WHEELWELL) BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE FLUID LEVEL SIGNAL BRAKE IND BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM CRUISE IND DISPLAY DRL IND ESC IND ESC OFF IND ETHERNET BUS 7 (-) FOG LAMP IND FORWARD COLLISION ALERT LED CTRL DAY NIGHT LED CONTROL GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/YEL WIRE HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LANE DEPARTURE WARNING IND LANE KEEPING ASSIST IND LOGIC LOW TIRE PRESSURE IND NAVIGATION SYSTEM PARK BRAKE CONTROL SWITCH PARK BRAKE IND RED/BRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SIGNAL GROUND SLIDING DOOR IND. VEHICLE AHEAD IND VIO/WHT WIRE WHT WIRE YEL WIRE

BK COAX BLK/WHT WIRE BLK/YEL WIRE COAX DISPLAY DOWN DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LEFT LOGIC MIRROR DIMMING NCA WIRE RIGHT RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA VIO/WHT WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (-) 3 SER DATA BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DISPLAY GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT PARK BRAKE MOTOR APPLY CTRL LEFT PARK BRAKE MOTOR LOW REF LEFT PARKING BRAKE ACTUATOR LIN BUS 1 LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PARK BRAKE MOTOR APPLY CTRL RIGHT PARK BRAKE MOTOR LOW REF RIGHT PARKING BRAKE ACTUATOR SERVICE PARK BRAKE IND VIO/WHT WIRE WHT WIRE

AUTOSAR CAN BATTERY BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE ORG/BRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AUTOMATIC LOCKING PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE PASSENGER SEAT BELT TENSION SENSOR RED/GRN WIRE RED/WHT WIRE RETRACTOR SW LOW REF RETRACTOR SW SIG RIGHT FRONT DOOR AIR BAG SIDE IMPACT SENSOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT ROCKER PANEL EXTENSION AIR BAG SIDE IMPACT REAR SENSOR SIG GND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

AUTOSAR CAN BUS (+) 4 SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE L REAR TRAILER STOP/ TURN LAMP CONTROL BLK WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED L TRAILER PARK LP CTRL LOGIC POWER DISTRIBUTION SYSTEM R REAR TRAILER STOP/ TURN LAMP CONTROL RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRNK IGN 1 VOLT CENTER HIGH MOUNTED STOP LAMP SUPPLY VOLT TOW/ HAUL SWITCH TOW/HAUL IND TRAILER BACKUP LAMP CONTROL TRAILER BRAKE CONTROL SWITCH TRAILER LAMP CONTROL MODULE (FRONT OF RIGHT REAR WHEELWELL) VIO/BLK WIRE WHT WIRE YEL 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