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

AIR CONDITIONING COOLER ELECTRONIC EXPANSION VALVE AIR CONDITIONING EVAPORATOR ELECTRONIC EXPANSION VALVE BLK WIRE BLK/VIO WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM EXTERNAL AIR CONDITIONING CONDENSER REFRIGERANT FLOW VALVE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LOGIC PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR REAR LOWER DUCT AIR TEMPERATURE SENSOR RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR WHT/YEL WIRE

AUTO SWITCH BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRIVER HEATED SWITCH GRN/BLK WIRE GRN/BRN WIRE GRY/BRN WIRE HEATER AIR CONDITIONING CONDENSER REFRIGERANT FLOW VALVE HEATER, AIR CONDITIONING AUXILIARY CONTROL HIGH HEAT IND HYBRID/ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 1 LOGIC LOW HEAT IND MEDIUM HEAT IND MODE SWITCH PASSENGER HEATED SWITCH REAR BLOWER MOTOR REAR BLOWER MOTOR CONTROL MODULE REAR PROGRAMMABLE MODE VALVE ACTUATOR RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TEMPERATURE CONTROL SWITCH VENTILATING FAN SWITCH YEL/WHT WIRE

AIR CONDITIONING REFRIGERANT TEMPERATURE SENSOR 8 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COOLANT ELECTRIC GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/VIO WIRE GRY/YEL WIRE HEATER HEATER CTRL HOT AT ALL TIMES HYBRID/ ELECTRIC VEHICLE BATTERY PACK HYBRID/ PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 1 HYBRID/ PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 2 HYBRID/ PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 3 HYBRID/ PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 4 HYBRID/ELECTRIC VEHICLE BATTERY CONTROL WIRING JUNCTION BLOCK HYBRID/ELECTRIC VEHICLE BATTERY COOLANT PUMP HYBRID/ELECTRIC VEHICLE COOLANT HEATER LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 3 LOGIC ORG/ WIRE ORG/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE

5 VOLT REF B 5 VOLT REF C AIR CONDITIONING REFRIGERANT PRESSURE, TEMPERATURE SENSOR 1 AIR CONDITIONING REFRIGERANT PRESSURE, TEMPERATURE SENSOR 2 AIR CONDITIONING REFRIGERANT PRESSURE, TEMPERATURE SENSOR 3 AIR CONDITIONING REFRIGERANT TEMPERATURE SENSOR 4 AMBIENT AIR TEMPERATURE SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY ENERGY CONTROL MODULE 1 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COOLANT ELECTRIC HTR CTRL DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HI SIDE PRESS SENS 2 SIG HI SIDE PRESS SENS SIG HOT AT ALL TIMES HYBRID/ PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 5 INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC LOW SIDE PRESS SENS SIG RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF (2) SENS LOW REF (3) SENS LOW REF 1 SENS LOW REF 4 SENS LOW REF 5 SIGNAL GROUND TEMP SENS A SIG TEMP SENS B LOW REF TEMP SENS B SIG TEMP SENS C SIG TEMP SENS D LOW REF TEMP SENS D SIG TEMP SENS E LOW REF TEMP SENS E SIG TEMP SENS F SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA TEMP SENS H LOW REF TEMP SENS H SIG TEMP SENS LOW REF TEMP SENS SIG VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

AMBIENT AIR TEMPERATURE SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BATTERY ENERGY CONTROL MODULE 1 BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COOLANT ELECTRIC COOLANT ELECTRIC HTR CTRL COOLING FAN MOTOR (REAR OF RADIATOR) GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/VIO WIRE HEATER HEATER CTRL HYBRID/ ELECTRIC VEHICLE BATTERY PACK HYBRID/ELECTRIC VEHICLE BATTERY CONTROL WIRING JUNCTION BLOCK HYBRID/ELECTRIC VEHICLE BATTERY COOLANT PUMP HYBRID/ELECTRIC VEHICLE COOLANT HEATER HYBRID/ELECTRIC VEHICLE ELECTRONICS COOLANT PUMP HYBRID/ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 1 LIN BUS 3 LOGIC ORG/ WIRE ORG/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF (2) SIGNAL GROUND TEMP SENS A SIG TEMP SENS B LOW REF TEMP SENS B SIG TEMP SENS C SIG TEMP SENS D LOW REF TEMP SENS D SIG TEMP SENS E LOW REF TEMP SENS E SIG TEMP SENS LOW REF TEMP SENS SIG WHT WIRE WHT/YEL WIRE YEL/BRN WIRE

BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES HYBRID/ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 2 HYBRID/PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 1 HYBRID/PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 2 HYBRID/PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 3 HYBRID/PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 4 HYBRID/PROPULSION SYSTEM COOLANT TEMPERATURE SENSOR 5 INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK WHT/YEL 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

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

BAT POS VOLT BLK WIRE BLK/VIO WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE CAN BUS (+) 4 SERIAL DATA COMPUTER DATA LINES SYSTEM DOWN DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT LUMBAR SWITCH DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRV SEAT ADJUSTER MEMORY MOD LIN BUS 1 CAN BUS (-) 4 SERIAL DATA DRV SEAT ADJUSTER MEMORY MOD LIN BUS 2 CAN BUS (-) 4 SERIAL DATA EXIT GRN/GRY WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE RECLINE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR RR SEAT HAPTIC MOVEMENT MTR CTRL LR SEAT HAPTIC MOVEMENT MTR CTRL RWD SEAT MEMORY SW SET SIG SEAT MEMORY SW SIG 1 SET- WHT WIRE YEL/BRN 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