GMC Hummer EV I (2021-2024) left instrument panel wiring harness junction block Wiring diagrams

AUTOSAR AUTOSAR CAN BUS (+) 4 SERIAL DATA B+ VOLT BATTERY ENERGY CONTROL MODULE 1 BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAN BUS (+) 9 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT CLOSURE LATCH PRIMARY STATUS SIG GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE HOOD OPEN HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LIN BUS 16 LOGIC POWERTRAIN COMPARTMENT COVER MODULE RED/GRY WIRE RED/VIO WIRE REMOTE FUNCTION ACTUATOR MODULE SECURITY IND SERIAL DATA SERIAL DATA CAN BUS (-) 9 SW SIG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

ANIMATION LIGHTING CONTROL APPROACH LAMP CONTROL BATTERY POSITIVE VOLTAGE BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CARGO LAMP CONTROL FRT CLOSURE CINCH LATCH MTR PWR ENABLE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH VOLTAGE BATTERY STATE HOT AT ALL TIMES LAMP CONTROL LAMP CONTROL 2 LEFT FRONT DRL CONTROL LEFT FRONT HEADLAMP LEFT FRONT PARK LAMP CONTROL LEFT FRONT TURN SIGNAL LAMP CONTROL LEFT HEADLAMP LOW BEAM CONTROL LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR PARK LAMP CONTROL LEFT REAR TURN SIG LAMP CTRL 2 LEFT TURN SIGNAL LIGHT LEFT UPPER HEADLAMP LED DRIVER MODULE LIGHTING CONTROL MODULE (RIGHT END OF DASH) OF CHARGE SIGNAL PARK LIGHTS RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DRL CONTROL RIGHT FRONT PARK RIGHT HEADLAMP HIGH BEAM CONTROL RIGHT HEADLAMP LOW BEAM CONTROL RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR PARK LAMP CONTROL RIGHT REAR TURN SIG LAMP CTRL 2 RR TURN SIGNAL RUN/CRANK IGNITION 1 VOLTAGE SEQUENTIAL TURN LAMP ENABLE SIGNAL VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE WINDSHIELD WIPER SWITCH HIGH SIGNAL WIPER/ WASHER SYSTEM YEL 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

AUDIO AMPLIFIER BLK WIRE BLK/WHT WIRE DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR COURTESY LAMP DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER OUTSIDE REAR VIEW MIRROR EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GROUND PICKUP BOX ENDGATE LATCH RELAY LEFT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LEFT FRONT SIDE DOOR MAP POCKET ILLUMINATION LAMP LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SIDE COURTESY LAMP LEFT REAR SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR OUTSIDE HANDLE LEFT REAR SIDE DOOR OUTSIDE HANDLE SWITCH LEFT REAR SIDE DOOR POCKET ILLUMINATION LAMP LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH POWERTRAIN COMPARTMENT COVER MODULE REAR IDENTIFICATION LAMP RELAY PICKUP BOX AUXILIARY ENDGATE LATCH SUPPLY VOLTAGE PICKUP BOX ENDGATE LATCH RELAY TELEMATIC CONTROL MODULE USB 2 PORT RECEPTACLE

BATT POS VOLT BLK WIRE BLK/BLU WIRE CO-DRV POSI SW LO REF DOWN GRY/WHT WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE PASSENGER FRONT SEAT BACK LUMBAR PUMP PASSENGER FRONT SEAT BLADDER CONTROL MODULE PASSENGER FRONT SEAT LUMBAR SWITCH PASSENGER SEAT LUMBAR SUPPORT SW ANALOG SIG PASSENGER SEAT LUMBAR/ BOLSTER PUMP CTRL RED/BLU WIRE RWD YEL/GRN WIRE

AUDIO AMPLIFIER BATTERY ENERGY CONTROL MODULE 2 BLUNT CUT PICKUP BOX TONNEAU COVER DRIVE MOTOR CONTROL MODULE 1 DRIVE MOTOR CONTROL MODULE 2 DRIVE MOTOR CONTROL MODULE 3 DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER SEAT ADJUSTER MEMORY MODULE FRONT SEAT HEATER VENT CONTROL MODULE IMAGE PROCESSING MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT SHORT RANGE RADAR REAR SENSOR LEFT SHORT RANGE RADAR REAR SIDE SENSOR PARKING ASSIST CONTROL MODULE PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER FRONT SIDE BLADDER CONTROL MODULE PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER FRONT SIDE DOOR WINDOW SWITCH PEDESTRIAN ALERT CONTROL MODULE PICKUP BOX COVER MOTOR CONTROL MODULE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR MODULE RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT SHORT RANGE RADAR REAR SENSOR RIGHT SHORT RANGE RADAR REAR SIDE SENSOR TELEMATIC CONTROL MODULE USED) VIDEO PROCESSING MODULE W/ TONNEAU ACCESSORY W/O TONNEAU ACCESSORY

BATTERY BATTERY CHARGER BATTERY MONITOR MODULE BLK WIRE BODY CONTROL MODULE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER COMPUTER COOLING FAN MOTOR DATA LINES DRIVER SEAT ADJUSTER MEMORY MODULE FROM ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 1 OF 10) GRN/YEL WIRE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK NCA WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE POWER STEERING CONTROL MODULE REAR POWER STEERING CONTROL MODULE REAR SEAT HEATER VENT CONTROL MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESTRAINTS CONTROL MODULE SYSTEM TO ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 3 OF 10) TO RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 6 OF 10) TO UNDERHOOD ACCESSORY WIRING JUNCTION BLOCK (DIAGRAM 8 OF 10) TRAILER TIRE PRESSURE INDICATOR MODULE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 USED)

ACCESSORY AC, DC POWER CONTROL MODULE RELAY BATTERY POSITIVE VOLTAGE BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE CAN-BUS COMPUTER DATA LINES SYSTEM FROM ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 1 OF 10) GROUND 14 HEATER, AIR CONDITIONING AUXILIARY CONTROL HORN RELAY LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY NEAR FIELD COMMUNICATION MODULE PARKING LAMP RELAY PICKUP BOX AUXILIARY ENDGATE LATCH RELAY REAR SLIDING WINDOW CLOSE RELAY REAR SLIDING WINDOW OPEN RELAY REAR WINDOW DEFOGGER RELAY RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY TO DC/AC CONVERTER CONTROL MODULE (DIAGRAM 5 OF 10) TRAILER BACKUP LAMPS RELAY UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 5 UNDERBODY CAMERAS CAMERA WASHER FLUID PUMP RELAY VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA WASHER FLUID PUMP RELAY WHT/GRN WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY WIRELESS ACCESSORY CHARGING MODULE

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

BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS 1 BODY CTRL MOD LIN BUS 2 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) GND BODY CTRL MOD LIN BUS 16 GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/GRY WIRE TIRE PRESSURE IND TRAILER TIRE PRESSURE INDICATOR MODULE YEL WIRE