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

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

BLK WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR FRONT COMPARTMENT CARGO LAMP FRONT FLOOR CONSOLE BIN LAMP FRONT FLOOR CONSOLE FLOOD LAMP GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LF DR AJAR LIN BUS 3 LOGIC LR DR AJAR RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RR DR AJAR SW SIG WHT/BLK WIRE WHT/VIO 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

BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE CAN BUS (-) BATT POS VOLTAGE CAN-BUS COMPUTER DATA LINES SYSTEM DOOR LOCK ACTUATOR LOCK CTRL 2 FRONT LOW FREQUENCY CONSOLE ANTENNA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE HOOD STATUS B SIGNAL HOT AT ALL TIMES IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INT PASS ENTRY ANTENNA 2 LOW SIG INT PASS ENTRY ANTENNA 2 HIGH SIG INT PASS ENTRY ANTENNA 2 LOW SIG LEFT REAR DOOR LOCK STATUS SIG LF DOOR OPEN SWITCH SIGNAL LF DR EXTR SW LOCK SIG LF EXT DOOR HANDLE SW UNLOCK SIG LF FRONT DOOR HANDLE SW SIG 1 LF FRONT DOOR UNLATCH LF REAR DOOR EXTERIOR SW LF REAR DOOR HANDLE SW SIG 2 LF REAR DOOR UNLATCH ACTUATOR LOW FREQUENCY CONSOLE NUMBER 2 ANTENNA LOW FREQUENCY FRONT BUMPER ANTENNA LOW FREQUENCY FRONT COMPARTMENT ANTENNA LOW FREQUENCY REAR BUMPER ANTENNA LOW REF (1) LR LOCK ACTUATOR STATUS SIG PASS ENTRY LEFT FRONT ANT SIG HIGH PASS ENTRY LEFT FRONT ANT SIG LOW PASS ENTRY RH FRT DOOR ANT SIG HI PASS ENTRY RH FRT DOOR ANT SIG LO REAR CLS PASS ENTRY ANT HIGH SIG REAR CLS PASS ENTRY ANT LOW SIG RED/BLU WIRE RF DOOR EXTR SW UNLOCK SIG RF DR EXTR SW LOCK SIG RH FRONT DOOR HANDLE SW SIG 1 RH REAR DOOR EXTERIOR SW RH REAR DOOR HANDLE SW SIG 2 RH REAR DOOR UNLATCH ACTUATOR RH REAR DOOR UNLATCH CTRL RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR DOOR LOCK STATUS SIG RR LOCK ACTUATOR STATUS SIG UN LATCH ACT UNLATCH LOW REF 2 VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LIN BUS 3 LOGIC NCA WIRE ORG/ WIRE PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PICKUP BOX COVER MOTOR CONTROL MODULE PICKUP BOX TONNEAU COVER BLUNT CUT RF DR AJAR SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/ RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY W/O RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT SIDE DOOR OUTSIDE HANDLE LEFT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH LEFT LOW FREQUENCY BODY SIDE ANTENNA LEFT REAR SIDE DOOR OUTSIDE HANDLE LEFT REAR SIDE DOOR OUTSIDE HANDLE SWITCH LIN BUS 3 LOGIC NCA WIRE RF DR AJAR RIGHT FRONT SIDE DOOR OUTSIDE HANDLE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH RIGHT LOW FREQUENCY BODY SIDE ANTENNA RIGHT REAR SIDE DOOR OUTSIDE HANDLE RIGHT REAR SIDE DOOR OUTSIDE HANDLE SWITCH SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE

AIR CONDITIONING COMPRESSOR CONTROL MODULE AIR CONDITIONING W/ MOTOR COMPRESSOR BRN/GRN WIRE FROM HYBRID/ ELECTRIC VEHICLE BATTERY CUT-OFF ACTUATOR 2 (DIAGRAM 9 OF 11) FROM HYBRID/ELECTRIC VEHICLE BATTERY CUT-OFF ACTUATOR (DIAGRAM 9 OF 11) FUSE FLL FUSE FLRI FUSE FUL FUSE FURI FUSE FURO GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- DC POSITIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- POSITIVE 2 RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- POSITIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- PRECHARGE 2 RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- PRECHARGE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- SERIES POSITIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTROL WIRING JUNCTION BLOCK HYBRID/ELECTRIC VEHICLE BATTERY DISCONNECT RELAY HYBRID/ELECTRIC VEHICLE BATTERY PACK SECTIONS 1 HYBRID/ELECTRIC VEHICLE BATTERY PACK SECTIONS 2 HYBRID/ELECTRIC VEHICLE BATTERY PRECHARGE RESISTOR HYBRID/ELECTRIC VEHICLE BATTERY PRECHARGE RESISTOR 2 RELAY HYBRID/ELECTRIC VEHICLE COOLANT HEATER LOGIC N/A N/A N/A ORG/ WIRE RED/VIO WIRE TO FUSE FLRO (DIAGRAM 9 OF 11) VIO/GRN WIRE WHT WIRE YEL/VIO 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

AIR CONDITIONING SYSTEM BLU/ORG WIRE BRN/GRN WIRE FUSE FLRO GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- DC NEGATIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- NEGATIVE 2 RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- NEGATIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTACTOR- SERIES NEGATIVE RELAY HYBRID/ELECTRIC VEHICLE BATTERY CONTROL WIRING JUNCTION BLOCK HYBRID/ELECTRIC VEHICLE BATTERY CURRENT SENSOR 1 HYBRID/ELECTRIC VEHICLE BATTERY CURRENT SENSOR 2 HYBRID/ELECTRIC VEHICLE BATTERY CUT-OFF ACTUATOR HYBRID/ELECTRIC VEHICLE BATTERY CUT-OFF ACTUATOR 2 HYBRID/ELECTRIC VEHICLE BATTERY DISCONNECT RELAY LOGIC N/A ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/YEL WIRE RED/VIO WIRE SUPPLEMENTAL RESTRAINTS SYSTEM TO HYBRID/ELECTRIC VEHICLE BATTERY PACK SECTIONS 1 (DIAGRAM 10 OF 11) TO HYBRID/ELECTRIC VEHICLE BATTERY PACK SECTIONS 2 (DIAGRAM 10 OF 11) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE YEL/VIO WIRE