GMC Hummer EV I (2021-2024) radio control 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

1 SER DATA AUTO SAR CAN BUS AUTO SAR CAN BUS (+) 2 SER DATA AUTO SAR CAN BUS (+) 3 SER DATA AUTO SAR CAN BUS (+) 4 SER DATA AUTO SAR CAN BUS (+) 5 SER DATA AUTO SAR CAN BUS (+) 8 SER DATA AUTO SAR CAN BUS (-) 1 SER DATA AUTO SAR CAN BUS (-) 8 SER DATA SIG GND AUTOSAR CAN BUS (-) 5 BATT POS VOLT BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BUS (-) SER DATA ETHERNET BUS 3 (+) GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE HOT AT ALL TIMES IGNITION MAIN RELAY ON/OFF VEHICLE SWITCH POWERTRAIN POWERTRAIN CAN PRIVATE SER DATA RADIO CONTROL RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SENS BUS ENABLE SER DATA SERIAL DATA GATEWAY MODULE (LEFT CENTER OF DASH) VIDEO PROCESSING MODULE (UNDER RIGHT SIDE OF DASH) VIO/GRN WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/YEL WIRE HOT AT ALL TIMES LOGIC NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS RADIO CONTROL REAR DEFOGGER REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK WHT WIRE WHT/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

ACCESSORY TIME DELAY CUTOFF RELAY 1 AIR CONDITIONING COOLER ELECTRONIC EXPANSION VALVE AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP 1 BATTERY ENERGY CONTROL MODULE 2 BLK WIRE BLK/WHT WIRE BLOWER MOTOR CONDITIONING COMPRESSOR CONTROL MODULE CONDITIONING W/ MOTOR COMPRESSOR FRONT FLOOR CONSOLE FLOOD LAMP FRONT IDENTIFICATION LAMP GARAGE DOOR OPENER TRANSMITTER HIGH FREQUENCY ANTENNA HYBRID/ ELECTRIC VEHICLE BATTERY COOLANT PUMP HYBRID/ ELECTRIC VEHICLE COOLANT HEATER HYBRID/ ELECTRIC VEHICLE ELECTRONICS COOLANT PUMP IGNITION MAIN RELAY INTERIOR LAMP SWITCH LEFT FRONT CENTER READING LAMP LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP NCA WIRE PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR RADIO RADIO CONTROL REAR BLOWER MOTOR CONTROL MODULE REAR POWER STEERING CONTROL MODULE REAR PROGRAMMABLE TEMPERATURE VALVE ACTUATOR REAR WINDOW SWITCH REMOTE FUNCTION ACTUATOR MODULE RIGHT FRONT CENTER READING LAMP RIGHT FRONT FLOOR COURTESY LAMP RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP SERIAL DATA GATEWAY MODULE

ACCESSORY POWER RECEPTACLE SWITCH AUTOMATED DRIVING MAPPING MODULE BLK WIRE BLK/WHT WIRE BLU/RED WIRE BODY CONTROL MODULE COMMUNICATION CENTER CALL SWITCH CRUISE CONTROL SWITCH DATA LINK CONNECTOR DIMMER SWITCH DRIVER MONITORING SYSTEM MODULE FORWARD COLLISION ALERT DISPLAY GRN/ORG WIRE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT FLOOR COURTESY LAMP NCA WIRE ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH RADIO CONTROL STEERING COLUMN CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL HORN CONTACT STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL RADIO FAVORITES SWITCH STEERING WHEEL RADIO VOLUME SWITCH TRAILER BRAKE CONTROL SWITCH TURN SIGNAL SWITCH WINDSHIELD FRONT VIEW CAMERA WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT AND HUMIDITY SENSOR

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CNTRL HOT AT ALL TIMES IMAGE PROCESSING MODULE LIN BUS 1 LOW CNTRL NCA WIRE RADIO CONTROL RED WIRE RED/BRN WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SECONDARY FUSED BAT POS VOLT SNS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL HEATER SW LED CTRL SW SIG VOLT REF WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/WHT WIRE CHASSIS CONTROL MODULE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DIFFERENTIAL) DISPLAY FLOOR CONSOLE REAR DUAL CHARGE ONLY RECEPTACLE FRONT AXLE GRN WIRE GRN/YEL WIRE GRY/VIO WIRE HEATING SW LED CTRL LEFT REAR SIDE DOOR WINDOW SWITCH LOCK IND CTRL LOGIC ORG/ WIRE PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RADIO CONTROL REAR AXLE RED/BLK WIRE RIDE CONTROL SWITCH RIGHT REAR SIDE DOOR WINDOW SWITCH STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL) USB 2 PORT RECEPTACLE VIO/GRY WIRE WHT WIRE YEL WIRE

ACCESSORY TIME DELAY CUTOFF RELAY 1 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE DRIVER MONITORING SYSTEM MODULE FLOOR CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE FLOOR CONSOLE REAR DUAL CHARGE RECEPTACLE FROM BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK (DIAGRAM 2 OF 10) FRONT COMPARTMENT ACCESSORY POWER RECEPTACLE GRY/GRN WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC NCA WIRE RADIO CONTROL RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE TO IGNITION MAIN RELAY (DIAGRAM 7 OF 10) USED) VIO WIRE VIO/ORG WIRE WINDSHIELD FRONT VIEW CAMERA WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT, HUMIDITY SENSOR YEL 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