GMC Hummer EV I (2021-2024) brn/yel 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

BLK WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES LIN BUS 3 LOGIC NCA WIRE PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/GRY WIRE RED/VIO WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RR DR AJAR SW SIG VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/VIO 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

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER FASCIA AUXILIARY SIGNAL LAMP FRONT FASCIA LAMP LED DRIVER MODULE FRONT IDENTIFICATION LAMP GRN WIRE GRN/VIO WIRE GRY/BRN WIRE GRY/RED WIRE HIGH MOUNT STOP LAMP HIGH MOUNTED HOT AT ALL TIMES LEFT UPPER HEADLAMP LED DRIVER MODULE NCA WIRE PARK LIGHTS PICKUP BOX ENDGATE LATCH HANDLE REAR IDENTIFICATION LAMP RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT HEADLAMP RIGHT TURN SIGNAL LIGHT STOP TRAILER LAMP CONTROL MODULE TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/YEL WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/GRN WIRE

ACCESSORY POWER RECEPTACLE SWITCH BACKUP LAMP BACKUP LAMPS CIRCUIT BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CINCH LATCH ENABLE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT CLOSURE GRN/WHT WIRE GRY/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT LATCH PICKUP BOX ENDGATE LEFT REAR BODY STRUCTURE STOP LAMP LEFT TURN LAMPS LOGIC MOTOR POWER PARK LIGHTS POWERTRAIN COMPARTMENT COVER MODULE RED/BLU WIRE RED/GRY WIRE RIGHT REAR BODY STRUCTURE STOP LAMP RIGHT TURN LAMPS) STOP LAMP WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/GRN WIRE

AUTO BATT POS VOLT BATT POS VOLT CARGO LAMP INDICATOR CTRL BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRN/YEL WIRE CAMERA WASHER + CAN BUS (+) 2 CARGO LAMP SW SIG CENTER HIGH COMPUTER DATA LINES SYSTEM CONTROL CRUISE/ETC/TCC BRAKE SIG DISPLAY FEEDBACK SIG GRN/GRY WIRE GRN/WHT WIRE GRY/ORG WIRE HAZARD WARNING SW SIG HAZARD WARNING SWITCH HDLP SW PARK LAMP SIG HEAD HEADLIGHTS SYSTEM HIGH BEAM HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LAMP FEEDBACK LAMP SUPPLY LEFT HEADLAMP LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT TURN SIG SW SIG LIGHTING CONTROL MODULE (RIGHT END OF DASH) LOGIC LOW REF MOUNTED STOP OFF PARK POWER DISTRIBUTION SYSTEM RADIO CONTROL REAR TURN RED/GRY WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR RIGHT TURN SIG SW SIG RLY 6 COIL CTRL RLY CTRL SIG GND SIG LAMP TURN SIG TURN SIGNAL SWITCH UNDERBODY) UPFITTER ACC VIO/BLU WIRE VOLTAGE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WIPER/ WASHER SYSTEM

BLK WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES LIN BUS 3 LOGIC NCA WIRE PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/GRY WIRE RED/VIO WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RR DR AJAR SW SIG VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/VIO 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

AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP 1 AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP 2 AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVE MOTOR CONTROL MODULE 1 DRIVE MOTOR CONTROL MODULE 2 DRIVE UNIT SUMP OIL TEMP SENSOR 2 LOW REFERENCE DRIVE UNIT SUMP OIL TEMP SENSOR 2 SIGNAL ENGINE WIRING HARNESS JUNCTION BLOCK FRONT DIFFERENTIAL LOCKING ACTUATOR FRONT DRIVE UNIT FLUID TEMPERATURE SENSOR FRONT ELECTRIC DRIVE TRANSMISSION MODULE GRN/BLU WIRE HIGH SPD SER DATA (+) (1) HIGH SPD SER DATA (-) 3 HOT AT ALL TIMES LOGIC MANUAL SHIFT SHAFT MOTOR NCA WIRE PRNDL A SIGNAL PRNDL B SIGNAL PRNDL P SIGNAL REAR DRIVE UNIT FLUID TEMPERATURE SENSOR REAR ELECTRIC DRIVE TRANSMISSION MODULE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE TRANSMISSION OIL PUMP 2 CONTROL TRANSMISSION OIL PUMP 2 DIAGNOSTIC FEEDBACK SIGNAL TRANSMISSION OIL PUMP CONTROL TRANSMISSION OIL PUMP DIAGNOSTIC FEEDBACK SIGNAL TRANSMISSION PARK POSITION SENSOR VIO/BLK WIRE VIO/RED WIRE VIO/WHT WIRE VOLTAGE SUPPLY A WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL/GRY 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