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

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

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

BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LIN BUS 3 LOGIC NCA WIRE ORG/ WIRE PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PICKUP BOX COVER MOTOR CONTROL MODULE PICKUP BOX TONNEAU COVER BLUNT CUT RF DR AJAR SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/ RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY W/O RETRACTABLE REAR COMPARTMENT TONNEAU ACCESSORY WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT SIDE DOOR OUTSIDE HANDLE LEFT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH LEFT LOW FREQUENCY BODY SIDE ANTENNA LEFT REAR SIDE DOOR OUTSIDE HANDLE LEFT REAR SIDE DOOR OUTSIDE HANDLE SWITCH LIN BUS 3 LOGIC NCA WIRE RF DR AJAR RIGHT FRONT SIDE DOOR OUTSIDE HANDLE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH RIGHT LOW FREQUENCY BODY SIDE ANTENNA RIGHT REAR SIDE DOOR OUTSIDE HANDLE RIGHT REAR SIDE DOOR OUTSIDE HANDLE SWITCH SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE

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

BLK WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES LIN BUS 3 LOGIC NCA WIRE PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/GRY WIRE RED/VIO WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RR DR AJAR SW SIG VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/VIO WIRE

AUTOSAR CAN BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES NEAR FIELD COMMUNICATION MODULE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 5 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 6 VIRTUAL KEY PRIVATE CAN (+) WHT/BRN WIRE WHT/ORG WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS ACCESSORY CHARGING MODULE

AUTOSAR CAN BATTERY BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE ORG/BRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AUTOMATIC LOCKING PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT SWITCH PASSENGER FRONT SEAT BELT BUCKLE PASSENGER SEAT BELT TENSION SENSOR RED/GRN WIRE RED/WHT WIRE RETRACTOR SW LOW REF RETRACTOR SW SIG RIGHT FRONT DOOR AIR BAG SIDE IMPACT SENSOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT ROCKER PANEL EXTENSION AIR BAG SIDE IMPACT REAR SENSOR SIG GND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE

BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRY/ORG WIRE INSTRUMENT PANEL AIR BAG INSTRUMENT PANEL ARMING STATUS DISPLAY INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC OFF IND ON IND. ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASSENGER AIR BAG RED/GRN WIRE RED/WHT WIRE SEAT BELT 2 IND SEAT BELT IND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL VIO/GRY WIRE VIO/WHT WIRE WHT/ORG WIRE YEL/ORG WIRE

BATTERY POSITIVE VOLTAGE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRN/ORG WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT BELT ANCHOR PLATE TENSIONER DRIVER FRONT SEAT BELT RETRACTOR DRIVER SEAT BELT ANCHOR PRETENSIONER HIGH CTRL DRIVER SEAT BELT ANCHOR PRETENSIONER LOW CTRL DRIVER SEAT BELT RETRACTOR PRETENSIONER HIGH CTRL DRIVER SEAT BELT RETRACTOR PRETENSIONER LOW CTRL GRN WIRE GRY/ORG WIRE LEFT AIR BAG FRONT END DISCRIMINATING SENSOR LF FRT IMP DISCRIMINATING SENS LOW REF LF FRT IMP DISCRIMINATING SENS SIG ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE ORG/YEL WIRE PASS AIR BAG OFF INDICATOR CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 LOW CTRL PASS AIR BAG ON INDICATOR CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 HIGH CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 LOW CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 HIGH CTRL PASS SEAT BELT ANCHOR PRETENSIONER HIGH CTRL PASS SEAT BELT ANCHOR PRETENSIONER LOW CTRL PASS SEAT BELT INDICATOR CTRL PASS SEAT BELT RETRACTOR PRETENSIONER HIGH CTRL PASS SEAT BELT RETRACTOR PRETENSIONER LOW CTRL PASSENGER FRONT SEAT BELT ANCHOR PLATE TENSIONER PASSENGER FRONT SEAT BELT RETRACTOR RED/GRN WIRE RESTRAINTS CONTROL MODULE (UNDER FLOOR CONSOLE) RH FRT IMP DISCRIMINATING SENS LOW REF RH FRT IMP DISCRIMINATING SENS SIG RIGHT AIR BAG FRONT END DISCRIMINATING SENSOR RUN/CRANK IGNITION 1 VOLTAGE SIG GND STEERING WHEEL AIR BAG STAGE 1 HIGH CTRL STEERING WHEEL AIR BAG STAGE 1 LOW CONTROL STEERING WHEEL AIR BAG STAGE 2 HIGH CTRL STEERING WHEEL AIR BAG STAGE 2 LOW CTRL VIO/GRY WIRE VIO/ORG WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/ORG WIRE YEL/ORG WIRE