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

BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE CAN BUS (-) BATT POS VOLTAGE CAN-BUS COMPUTER DATA LINES SYSTEM DOOR LOCK ACTUATOR LOCK CTRL 2 FRONT LOW FREQUENCY CONSOLE ANTENNA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE HOOD STATUS B SIGNAL HOT AT ALL TIMES IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INT PASS ENTRY ANTENNA 2 LOW SIG INT PASS ENTRY ANTENNA 2 HIGH SIG INT PASS ENTRY ANTENNA 2 LOW SIG LEFT REAR DOOR LOCK STATUS SIG LF DOOR OPEN SWITCH SIGNAL LF DR EXTR SW LOCK SIG LF EXT DOOR HANDLE SW UNLOCK SIG LF FRONT DOOR HANDLE SW SIG 1 LF FRONT DOOR UNLATCH LF REAR DOOR EXTERIOR SW LF REAR DOOR HANDLE SW SIG 2 LF REAR DOOR UNLATCH ACTUATOR LOW FREQUENCY CONSOLE NUMBER 2 ANTENNA LOW FREQUENCY FRONT BUMPER ANTENNA LOW FREQUENCY FRONT COMPARTMENT ANTENNA LOW FREQUENCY REAR BUMPER ANTENNA LOW REF (1) LR LOCK ACTUATOR STATUS SIG PASS ENTRY LEFT FRONT ANT SIG HIGH PASS ENTRY LEFT FRONT ANT SIG LOW PASS ENTRY RH FRT DOOR ANT SIG HI PASS ENTRY RH FRT DOOR ANT SIG LO REAR CLS PASS ENTRY ANT HIGH SIG REAR CLS PASS ENTRY ANT LOW SIG RED/BLU WIRE RF DOOR EXTR SW UNLOCK SIG RF DR EXTR SW LOCK SIG RH FRONT DOOR HANDLE SW SIG 1 RH REAR DOOR EXTERIOR SW RH REAR DOOR HANDLE SW SIG 2 RH REAR DOOR UNLATCH ACTUATOR RH REAR DOOR UNLATCH CTRL RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR DOOR LOCK STATUS SIG RR LOCK ACTUATOR STATUS SIG UN LATCH ACT UNLATCH LOW REF 2 VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

BAT POS VOLT BLK WIRE BLK/VIO WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE CAN BUS (+) 4 SERIAL DATA COMPUTER DATA LINES SYSTEM DOWN DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT LUMBAR SWITCH DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRV SEAT ADJUSTER MEMORY MOD LIN BUS 1 CAN BUS (-) 4 SERIAL DATA DRV SEAT ADJUSTER MEMORY MOD LIN BUS 2 CAN BUS (-) 4 SERIAL DATA EXIT GRN/GRY WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE RECLINE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR RR SEAT HAPTIC MOVEMENT MTR CTRL LR SEAT HAPTIC MOVEMENT MTR CTRL RWD SEAT MEMORY SW SET SIG SEAT MEMORY SW SIG 1 SET- WHT WIRE YEL/BRN WIRE

BATTERY BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CHASSIS CONTROL MODULE COOLING FAN MOTOR ENGINE COMPARTMENT COVER SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK FRONT COMPARTMENT ACCESSORY POWER RECEPTACLE FRONT COMPARTMENT CARGO LAMP HYBRID/ ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 1 HYBRID/ ELECTRIC VEHICLE PROPULSION SYSTEM COOLANT CONTROL VALVE 2 LEFT FRONT HEADLAMP LEFT FRONT SHORT RANGE RADAR SENSOR LEFT LOWER HEADLAMP LED DRIVER MODULE LEFT UPPER HEADLAMP LED DRIVER MODULE LONG RANGE FORWARD RANGE RADAR SENSOR POWER STEERING CONTROL MODULE RIGHT FRONT SHORT RANGE RADAR SENSOR UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 6 WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY YEL/BRN WIRE

AMBIENT LIGHT SNS SIG AUTO HIGH BEAM ASSIST SWITCH SIGNAL AUTO HIGH BEAM SWITCH AUTO OFF BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BODY CONTROL MODULE LIN BUS 6 COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY DRL IND ENGINE WIRING HARNESS JUNCTION BLOCK FLASH TO PASS SWITCH FOG LAMP IND FRONT FOG LAMP SWITCH GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BRN WIRE HEAD HEADLAMP SWITCH FLASH SIGNAL HEADLAMP SWITCH OFF SIGNAL HEADLAMP SWITCH ON SIGNAL HIGH BEAM ASSIST SWITCH HIGH BEAM LAMP IND HIGH BEAM SELECT SWITCH HIGH BEAM SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LOGIC LOW REF PARK REAR FOG LAMP SWITCH RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SENSOR LOW REFERENCE TURN SIGNAL SWITCH WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BRN WIRE

ACCESSORY POWER RECEPTACLE SWITCH ALERT LED CTRL ALERT LED CTRL LIN BUS 1 AUTOSAR SER DATA CAN BUS SER DATA 2 + AUTOSAR SER DATA CAN BUS SER DATA 4 + BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL SYSTEM DAY NIGHT LED CTRL DIMMING CTRL DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SW SIG DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION WARNING SWITCH GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE LANE DEPARTURE WARN DISABLE SW SIG LANE DEPARTURE WARN IND CTRL LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LOGIC LR SEAT HAPTIC MOVEMENT MOTOR CONTROL NCA WIRE PNK WIRE RED/YEL WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RR SEAT HAPTIC MOVEMENT MOTOR CONTROL STEERING WHEEL AIR BAG COIL STRG WHEEL RESISTOR LADDER LOW REF VEHICLE AHEAD IND VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL/BRN WIRE

BAT POS VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/BLK WIRE CAN BUS (+) 4 SERIAL DATA CAN BUS (+) 4 SERIAL DATA SEAT MEMORY SW SET SIG COAX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER, EXTERIOR LIGHTS, NAVIGATION SYSTEMS DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRIVER SIDE OBJECT DETECTION INDICATOR FOLDING SWITCH GRN/YEL WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT SIDE VIEW DRIVER INFORMATION CAMERA LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM NCA WIRE RED/VIO WIRE RED/YEL WIRE RIGHT RWD SEAT MEMORY SW SIG 1 VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRY WIRE CAN BUS (+) 4 SERIAL DATA CAN BUS (+) 4 SERIAL DATA SEAT MEMORY SW SET SIG COMPUTER DATA LINES SYSTEM DOWN DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER SEAT) DRV SEAT ADJUSTER MEM MOD LIN BUS 1 EXIT GRN/BRN WIRE GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK NCA WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RWD SEAT MEMORY SW SIG 1 SET- STEERING COLUMN CONTROL MODULE STEERING COLUMN TELESCOPE ACTUATOR STEERING COLUMN TILT WHEEL ACTUATOR STEERING COLUMN TILT WHEEL, TELESCOPE SWITCH STRG CLMN TELESCOPE MOTOR FWD CTRL STRG CLMN TELESCOPE MOTOR LO REF STRG CLMN TELESCOPE MOTOR RRWD CTRL STRG CLMN TELESCOPE MOTOR SIG STRG CLMN TILT MTR DOWN CTRL STRG CLMN TILT MTR LO REF STRG CLMN TILT MTR SIG STRG CLMN TILT MTR UP CTRL STRG CLMN TILT, TELESCOPE SW DOWN SIG STRG CLMN TILT, TELESCOPE SW FEEDBACK SIG STRG CLMN TILT, TELESCOPE SW FWD SIG STRG CLMN TILT, TELESCOPE SW RRWD SIG STRG CLMN TILT, TELESCOPE SW UP SIG VIO/BLK WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN 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

BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE CAN BUS (-) BATT POS VOLTAGE CAN-BUS COMPUTER DATA LINES SYSTEM DOOR LOCK ACTUATOR LOCK CTRL 2 FRONT LOW FREQUENCY CONSOLE ANTENNA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE HOOD STATUS B SIGNAL HOT AT ALL TIMES IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INT PASS ENTRY ANTENNA 2 LOW SIG INT PASS ENTRY ANTENNA 2 HIGH SIG INT PASS ENTRY ANTENNA 2 LOW SIG LEFT REAR DOOR LOCK STATUS SIG LF DOOR OPEN SWITCH SIGNAL LF DR EXTR SW LOCK SIG LF EXT DOOR HANDLE SW UNLOCK SIG LF FRONT DOOR HANDLE SW SIG 1 LF FRONT DOOR UNLATCH LF REAR DOOR EXTERIOR SW LF REAR DOOR HANDLE SW SIG 2 LF REAR DOOR UNLATCH ACTUATOR LOW FREQUENCY CONSOLE NUMBER 2 ANTENNA LOW FREQUENCY FRONT BUMPER ANTENNA LOW FREQUENCY FRONT COMPARTMENT ANTENNA LOW FREQUENCY REAR BUMPER ANTENNA LOW REF (1) LR LOCK ACTUATOR STATUS SIG PASS ENTRY LEFT FRONT ANT SIG HIGH PASS ENTRY LEFT FRONT ANT SIG LOW PASS ENTRY RH FRT DOOR ANT SIG HI PASS ENTRY RH FRT DOOR ANT SIG LO REAR CLS PASS ENTRY ANT HIGH SIG REAR CLS PASS ENTRY ANT LOW SIG RED/BLU WIRE RF DOOR EXTR SW UNLOCK SIG RF DR EXTR SW LOCK SIG RH FRONT DOOR HANDLE SW SIG 1 RH REAR DOOR EXTERIOR SW RH REAR DOOR HANDLE SW SIG 2 RH REAR DOOR UNLATCH ACTUATOR RH REAR DOOR UNLATCH CTRL RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR DOOR LOCK STATUS SIG RR LOCK ACTUATOR STATUS SIG UN LATCH ACT UNLATCH LOW REF 2 VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN 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