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

AIR CONDITIONING EVAPORATOR AIR TEMPERATURE SENSOR AIR TEMP SENS SIG AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BOTTOM OF HVAC UNIT) BLOWER SPD FEEDBACK SIG BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRV SOLAR SENS SIG GRN/BLU WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HVAC REM ENABLE SIG HVAC SYSTEM ENABLE SIG ILL LEFT FRONT DUCT AIR TEMPERATURE SENSOR LOGIC LVDS LVDS GY RADIO RADIO CONTROL RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DUCT AIR TEMPERATURE SENSOR SECURITY IND CTRL SENS LO REF SUNLOAD TEMPERATURE, HEADLAMP AUTOMATIC CONTROL AMBIENT LIGHT SENSOR TEMP SENS SIG WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL 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

AUTOMATED DRIVING MAPPING MODULE BATTERY POSITIVE VOLT BLK/WHT WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/WHT WIRE CAN BUS (+) 5 SERIAL DATA CAN BUS (-) 8 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 11 (-) ETHERNET BUS 3 (+) GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC RED/BLU WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIGNAL GROUND WHT WIRE WHT/GRY WIRE YEL WIRE

A/C EVAPORATOR TEMP SENS SIG AC PWR OUTLET STATUS IND CTRL AIR CONDITIONING SYSTEM ALL WINDOWS OPEN SW SIG AMBIENT LT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTO HI BEAM ASSIST SW SIG AUTOSAR CAN BUS (-) 9 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA IND DIMMING CTRL BATTERY POS VOLT BATT POS VOLT BATTERY POS VOLT BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BLWR SPD FEEDBACK SIG BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS 5 BODY CTRL MOD LIN BUS 6 BODY CTRL MOD LIN BUS 7 BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE CARGO LP IND TRL CARGO LP SW SIG COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG CRUISE CONTROL SYSTEM CRUISE CONTROL, NAVIGATION SYSTEMS CRUISE CONTROL, TRANSMISSIONS SYSTEMS CRUISE CTRL SET/COAST/RES/ACC SW SIG DISTANCE SENSING CRUISE CTRL GAP UP/DN SW SIG DOME/READING LP ENABLE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV SOLAR SENS SIG ENGINE CONTROLS SYSTEM ENHANCED DRV MODE 2 SW SIG FRT CLOSURE REL INTR SW SIG FRT CLOSURE REL INTR SW WAKE UP SIG FRT COMPT ENTRAPMENT REL SW SIG FRT FOOTWELL ACCENT LIGHTING CTRL GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE HAZ WARN SW SIG HDLP SW FLASH SIG HDLP SW OFF SIG HDLP SW ON SIG HDLP SW PRK LP SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM HEADLIGHTS, AIR CONDITIONING, ANTI-THEFT SYSTEMS HI BEAM SEL SW HI BEAM SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REM ENABLE SIG HVAC SYS ENABLE SIG IGN MODE SW ACC LED SIG IGN MODE SW MODE VOLT IGN MODE SW ST LED SIG IMMO ANT LO SIG IMMO ANT SIG [+] INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL LP DIMMER SW LO REF INSTRUMENT PANEL LP DIMMER SW SIG INTR DR HNDL ACCENT LIGHTING CTRL INTR LP CTRL INTR LP DEFEAT SW SIG LANE DEP WARN DISABLE SW SIG LED BACKLIGHT DIMMING CTRL 1 LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LH CONDENSING HTR AIR TEMP SENS SIG LH TURN SIG SW SIG MAJOR ENDGATE HI RLY CTRL MAJOR ENDGATE LO RLY CTRL MAJOR ENDGATE REL SW SIG INTR MINOR ENDGATE HIGH RLY CTRL NAVIGATION SYSTEM OVERHEAD ACCENT LIGHTING CTRL PARKING ASSIST PARALLEL PARKING DISABLE SW SIG PASSIVE ENTRY CLOSURE 2 ANT SIG HI PASSIVE ENTRY CLOSURE 2 ANT SIG LO POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION, INTERIOR LIGHTS SYSTEMS POWER WINDOWS SYSTEM RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REGEN ON DEMAND SW SIG RETAINED ACC PWR RLY 2 COIL CTRL RH CONDENSING HTR AIR TEMP SENS SIG RH TURN SIG SW SIG RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RR PARKING ASSIST DISABLE LED SIG RR PARKING ASSIST DISABLE SIG RUN/CRNK RLY COIL CTRL SECURITY IND CTRL SENS LO REF SIG GROUND STRG WHEEL RESISTOR LADDER LO REF TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASH SW SIG WINDSHIELD WIP SW LO REF WINDSHIELD WIP SW LO SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO 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

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

AUTOSAR CAN BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES NEAR FIELD COMMUNICATION MODULE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 5 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 6 VIRTUAL KEY PRIVATE CAN (+) WHT/BRN WIRE WHT/ORG WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS ACCESSORY CHARGING MODULE

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

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

A/C REFRIGERANT HIGH SIDE SENS 2 SIG A/C REFRIGERANT HIGH SIDE SENS SIG A/C REFRIGERANT LOW SIDE SENS SIG A/C REFRIGERANT TEMP SENS A SIG A/C REFRIGERANT TEMP SENS B SIG ACCELERATOR PEDAL POS LOW REF 1 ACCELERATOR PEDAL POS LOW REF 2 ACCELERATOR PEDAL POSITION SENSOR ACCESSORY PWR MODULE SUPPLY VOLT 3 AIR CONDITIONING SYSTEM BATT ENERGY CTRL BATT ENERGY CTRL MOD 5 VOLT REFR B BATT ENERGY CTRL MOD LIN BUS 1 BATT ENERGY CTRL MOD LIN BUS 2 BATT ENERGY CTRL MOD LIN BUS 3 BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN BUS (-) 9 SERIAL DATA CAN BUS (-) SERIAL DATA CHARGE REC TEMP SENS DC+ LOW REF CHARGE RECEPTACLE TEMP SENS L SIG CHARGING LOCK POS LOW REF CHARGING LOCK POS SIG COMPUTER DATA LINES SYSTEM COOLANT ELECTRIC HEATER CTRL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HIGH VOLT BATT 2 (-) RLY CTRL MOD SENS LOW REFR 3 ORG/ WIRE ORG/BLK WIRE POWERTRAIN SENS BUS ENABLE PRECHARGE RLY CTRL 2 RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SIG GND VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE