GMC Hummer EV I (2021-2024) grn Wiring diagrams

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

20 21 BODY CTRL MOD LIN BUS 13 AC PWR OUTLET SW SIG AUTOSAR CAN BUS (-) 9 SER DATA BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS BODY CTRL MOD LIN BUS 1 BODY CTRL MOD LIN BUS 11 BODY CTRL MOD LIN BUS 16 BODY CTRL MOD LIN BUS 3 BODY CTRL MOD LIN BUS 4 BODY CTRL MOD LIN BUS 9 BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE CARGO LMP CTRL CHILD SECURITY LK MTR LK CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG 1 DEFOGGER SYSTEM DOME/READING LP ENABLE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS FRT CLOSURE AJAR SW SIG FRT CLOSURE REL EXTERIOR SW SIG GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM INSTRUMENT PANEL ACCENT LIGHTING CTRL INTERIOR LP CTRL INTERIOR PASSIVE ENTRY ANTENNA 1 HI SIG INTERIOR PASSIVE ENTRY ANTENNA 1 LOW SIG INTERIOR PASSIVE ENTRY ANTENNA 3 HI SIG INTERIOR PASSIVE ENTRY ANTENNA 3 LO SIG LED BACKLIGHT DIMMING CTRL 1 LH FRT DR LK ACTUATOR LK CTRL LH FRT DR OPEN SW SIG LH FRT EXTERIOR DR HNDL SW UNLOCK SIG LH MINOR ENDGATE AJAR SIG LR CHILD SECURITY LK ACTUATOR STATUS SIG LR DR EXTERIOR SW UNLK SIG LR DR HNDL SW SIG 2 LR DR LK ACTUATOR LK CTRL LR DR LK STATUS SIG MAJOR ENDGATE REL SW SIG EXTERIOR MINOR ENDGATE REL SW DISCRETE SIG EXTERIOR PASSIVE ENTRY LF ANTENNA SIG HI PASSIVE ENTRY RF DR ANTENNA SIG HI PASSIVE ENTRY RF DR ANTENNA SIG LOW POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RETAINED ACCESSORY PWR CTRL RF DR EXTERIOR SW UNLK SIG RF DR HNDL SW SIG 1 RF DR LK ACTUATOR LK CTRL RH MINOR ENDGATE AJAR SIG RR CHILD SECURITY LK ACTUATOR STATUS SIG RR CLOSURE PASSIVE ENTRY ANTENNA HI SIG RR CLOSURE PASSIVE ENTRY ANTENNA LO SIG RR DEFOGGER RLY CTRL PASS ENTRY LEFT FRONT ANTENNA SIG LO RR DR EXTERIOR SW UNLOCK SIG RR DR HNDL SW SIG 2 RR DR LK STATUS SIG RR DR LO ACTUATOR LO CTRL STEP DIM BACKLIGHT TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN 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

BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE LEFT FRONT COMMUNICATION INTERFACE MODULE MICROPHONE LEFT FRONT RADIO SIDE DOOR SPEAKER LEFT FRONT RADIO WINDSHIELD SIDE GARNISH MOLDING SPEAKER LEFT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR UPPER SPEAKER NCA WIRE RADIO REAR COMPARTMENT SPEAKER RIGHT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR UPPER SPEAKER VIO/BLU WIRE WHT WIRE WHT/BRN 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

BATTERY POSITIVE VOLTAGE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM FRONT PARKING ASSIST DISPLAY CONTROL FRONT PARKING ASSIST SENSOR LOW REFERENCE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT "C" PILLAR) LEFT FRONT ADVANCED PARKING ASSIST ALARM SENSOR LEFT FRONT ADVANCED PARKING ASSIST SIDE OBJECT SENSOR SIGNAL LEFT FRONT MIDDLE PARKING ASSIST ALARM SENSOR LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT FRONT OUTER PARKING ASSIST ALARM SENSOR LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR ADVANCED PARKING ASSIST SIDE OBJECT SENS SIG OBJECT SENS LOW REF LEFT REAR MIDDLE PARKING ASSIST SENS SIG LEFT REAR OUTER PARKING ASSIST SENS SIG OBJECT SENS VOLT REF RIGHT REAR OUTER PARKING ASSIST SENS SIG PARKING ASSIST CONTROL MODULE RED/WHT WIRE RIGHT FRONT ADVANCED PARKING ASSIST ALARM SENSOR RIGHT FRONT ADVANCED PARKING ASSIST SIDE OBJECT SENSOR SIGNAL RIGHT FRONT MIDDLE PARKING ASSIST ALARM SENSOR RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER PARKING ASSIST ALARM SENSOR RIGHT FRONT OUTER PARKING ASSIST SENSOR RIGHT REAR ADVANCED PARKING ASSIST SIDE OBJECT SENS SIG RIGHT REAR MIDDLE PARKING ASSIST SENS SIG SIGNAL GROUND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/WHT WIRE CAN BUS (+) 5 SERIAL DATA CAN BUS (-) 9 SERIAL DATA COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/GRY WIRE GRY/GRN WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR ADVANCED PARKING ASSIST ALARM SENSOR LEFT REAR MIDDLE PARKING ASSIST ALARM SENSOR LEFT REAR OUTER PARKING ASSIST ALARM SENSOR LOGIC PARALLEL PARKING ASSIST SW PARKING ASSIST IND PARKING ASSIST PARALLEL PARKING DISABLE SWITCH SIGNAL PARKING ASSIST SW RADIO CONTROL REAR PARKING ASSIST DISABLE LED SIGNAL REAR PARKING ASSIST DISABLE SIGNAL RIGHT REAR ADVANCED PARKING ASSIST ALARM SENSOR RIGHT REAR MIDDLE PARKING ASSIST ALARM SENSOR RIGHT REAR OUTER PARKING ASSIST ALARM SENSOR WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRY/ORG WIRE INSTRUMENT PANEL AIR BAG INSTRUMENT PANEL ARMING STATUS DISPLAY INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC OFF IND ON IND. ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASSENGER AIR BAG RED/GRN WIRE RED/WHT WIRE SEAT BELT 2 IND SEAT BELT IND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL VIO/GRY WIRE VIO/WHT WIRE WHT/ORG WIRE YEL/ORG WIRE

BATTERY POSITIVE VOLTAGE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRN/ORG WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT BELT ANCHOR PLATE TENSIONER DRIVER FRONT SEAT BELT RETRACTOR DRIVER SEAT BELT ANCHOR PRETENSIONER HIGH CTRL DRIVER SEAT BELT ANCHOR PRETENSIONER LOW CTRL DRIVER SEAT BELT RETRACTOR PRETENSIONER HIGH CTRL DRIVER SEAT BELT RETRACTOR PRETENSIONER LOW CTRL GRN WIRE GRY/ORG WIRE LEFT AIR BAG FRONT END DISCRIMINATING SENSOR LF FRT IMP DISCRIMINATING SENS LOW REF LF FRT IMP DISCRIMINATING SENS SIG ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE ORG/YEL WIRE PASS AIR BAG OFF INDICATOR CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 LOW CTRL PASS AIR BAG ON INDICATOR CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 HIGH CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 LOW CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 HIGH CTRL PASS SEAT BELT ANCHOR PRETENSIONER HIGH CTRL PASS SEAT BELT ANCHOR PRETENSIONER LOW CTRL PASS SEAT BELT INDICATOR CTRL PASS SEAT BELT RETRACTOR PRETENSIONER HIGH CTRL PASS SEAT BELT RETRACTOR PRETENSIONER LOW CTRL PASSENGER FRONT SEAT BELT ANCHOR PLATE TENSIONER PASSENGER FRONT SEAT BELT RETRACTOR RED/GRN WIRE RESTRAINTS CONTROL MODULE (UNDER FLOOR CONSOLE) RH FRT IMP DISCRIMINATING SENS LOW REF RH FRT IMP DISCRIMINATING SENS SIG RIGHT AIR BAG FRONT END DISCRIMINATING SENSOR RUN/CRANK IGNITION 1 VOLTAGE SIG GND STEERING WHEEL AIR BAG STAGE 1 HIGH CTRL STEERING WHEEL AIR BAG STAGE 1 LOW CONTROL STEERING WHEEL AIR BAG STAGE 2 HIGH CTRL STEERING WHEEL AIR BAG STAGE 2 LOW CTRL VIO/GRY WIRE VIO/ORG WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/ORG WIRE YEL/ORG 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