GMC Hummer EV I (2021-2024) computer data lines system Wiring diagrams

1-BG REAR VIEW CAMERA LVDS COAXIAL SIGNAL 1-BK COAX 1-BN TRAILER REAR VISION CAMERA LVDS COAXIAL SIGNAL 1-CU FRONT VIEW CAMERA LVDS COAXIAL SIGNAL 1-GN CARGO BED REAR VISION CAMERA LVDS COAXIAL SIGNAL 2-BG RH SIDE VISION CAMERA COAXIAL SIGNAL 2-BK 2-BN LEFT SIDE VIEW CAMERA LVDS COAXIAL SIGNAL 2-CU RIGHT SIDE VIEW CAMERA LVDS COAXIAL SIGNAL 2-GN UNDERBODY CAMERA LVDS COAXIAL SIGNAL BATTERY POSITIVE VOLTAGE BK COAX BK LVDS BLK/WHT WIRE BLU WIRE CAN BUS (-) 1 SERIAL DATA CARGO AREA AUXILIARY REAR VIEW CAMERA COAX COMPUTER DATA LINES SYSTEM DISPLAY DRIVER OUTSIDE REAR- VIEW MIRROR FRONT VIEW UNDERBODY CAMERA GRILLE FRONT VIEW DRIVER INFORMATION CAMERA HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT SIDE VIEW DRIVER INFORMATION CAMERA LOGIC LVDS PASSENGER OUTSIDE REAR VIEW MIRROR RADIO RADIO CONTROL RD VIDEO PROCESSING MODULE LVDS COAXIAL SIGNAL REAR VIEW CAMERA DRIVER INFORMATION REAR VIEW UNDERBODY CAMERA RED/VIO WIRE RIGHT SIDE VIEW DRIVER INFORMATION CAMERA SIGNAL GROUND TOW VEHICLE ELECTRICAL RECEPTACLE VIDEO PROCESSING MODULE (UNDER RIGHT SIDE OF DASH) WH COAX WHT 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

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE LIN BUS 3 COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN/BLK WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT SIDE OBJECT DETECTION LED CONTROL LIN BUS 1 LOGIC NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT SIDE OBJECT DETECTION LED CONTROL VIO/WHT WIRE

BATTERY POSITIVE VOLT BLK/WHT WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE CAN BUS (+) 5 SERIAL DATA CAN BUS (-) 2 SERIAL DATA COAX COMPUTER DATA LINES SYSTEM DR ILL LAMP 1 CTRL DR ILL LAMP 2 CTRL DR ILL LAMP GND DRIVER INFORMATION CENTER DISPLAY DRIVER MONITORING CAMERA DRIVER MONITORING SYSTEM CAMERA LVDS COAXIAL SIGNAL GN COAX DRIVER MONITORING SYSTEM MODULE GN COAX GRY/ORG WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC PPL RED/BLU WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SINGLE GND STEERING WHEEL AIR BAG COIL STEERING WHEEL LED DISPLAY VIO WIRE WHT WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/ORG 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

1-CU 1-VT 2-BK 2-CU 2-VT 3-BK AUXILIARY WIRELESS COMMUNICATION INTERFACE ANTENNA BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM GRY WIRE GRY/YEL WIRE LOGIC MUTE NCA WIRE NEXT PREVIOUS RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT COMMUNICATION INTERFACE MODULE MICROPHONE RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SELECT TALK TAN WIRE USB VIO/YEL WIRE YEL WIRE

AUDIO (-) CTRL AUTOSAR CAN BUS BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE CELL CELL/GPS CELLULAR TELEPHONE COAX COMMUNICATION CENTER CALL SWITCH COMPUTER DATA LINES SYSTEM GREEN LED IND CTRL GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/YEL WIRE LOGIC LOW REFERENCE MICROPHONE LOW REFERENCE MICROPHONE SIG NCA WIRE RED LED IND CTRL WIRE RED/BLU WIRE RED/YEL WIRE SIGNAL GND SOS TECT TELEMATICS SW TELEMATICS SW SIG TELEMATICS SW SUPPLY VOLT USB USB 2 PORT RECEPTACLE VOICE RECOGNITION VOICE RECOGNITION AUDIO SIG YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO 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