GMC Hummer EV I (2021-2024) sig ground Wiring diagrams

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

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

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

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

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