GMC Hummer EV I (2021-2024) batt pos volt Wiring diagrams

AUTOSAR CAN BUS (-) 9 SERIAL DATA BACKUP LAMP BACKUP LAMP CONTROL BACKUP LP CTRL BATT POS VOLT BLK WIRE BLU/GRN WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GEAR SHIFT CONTROL MODULE GRN/WHT WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT REAR BODY STRUCTURE STOP LAMP LIGHTING CONTROL MODULE (RIGHT END OF DASH) LOGIC NCA WIRE RADIO RED/BRN WIRE RIGHT REAR BODY STRUCTURE STOP LAMP WHT/GRN WIRE WHT/RED WIRE

AUTOSAR CAN BUS SER DATA (+) 3 AUTOSAR CAN BUS SERIAL DATA (-) 5 AUTOSAR CAN BUS SERIAL DATA (-) 9 BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE IND BRAKE MASTER CYLINDER (LEFT SIDE OF FRONT COMPT) BRAKE SYSTEM CONTROL MODULE BRK FLUID LVL SIG COMPUTER DATA LINES SYSTEM DISPLAY GRN/GRY WIRE GRN/YEL WIRE HEADLAMP SW PARK LAMP SIG HOT AT ALL TIMES IGNITION MODE SW MODE VOLTAGE INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SEAT BELT IND WHT WIRE WHT/GRN WIRE

AUTOSAR CAN BUS (-) 9 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT POS VOLT BATT POS VOLT BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/VIO WIRE CARGO LAMP CONTROL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG DOME/READING LAMP ENABLE SIG DOME/READING LAMP ENABLE SIGNAL FRONT FOOTWELL ACCENT LIGHTING CTRL GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/ORG WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL ACCENT LIGHTING CTRL INTERIOR DR HANDLE ACCENT LIGHTING CTRL INTERIOR LAMP CONTROL INTERIOR LAMP DEFEAT SW SIG INTERIOR LAMP SWITCH LEFT FRONT FLOOR COURTESY LAMP LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK OVERHEAD ACCENT LIGHTING CONTROL RED/GRY WIRE RED/WHT WIRE RIGHT FRONT FLOOR COURTESY LAMP VIO/GRN WIRE W/ ACCESSORY INTERIOR LED LIGHTING WHT/BLK WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER ACTUATOR DRIVER FRONT SEAT BACK LUMBAR PUMP DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER FRONT SEAT RECLINER ACTUATOR DRIVER FRONT SEAT TILT ADJUSTER ACTUATOR DRIVER FRONT SEAT VERTICAL ADJUSTER ACTUATOR DRIVER SEAT ADJUSTER MEMORY MODULE DRV SEAT ADJUSTER MEMORY MOD LIN BUS 2 DRV SEAT LUMBAR/ BOLSTER PUMP CTRL FRONT VERTICAL MTR DWN CTRL FRONT VERTICAL MTR UP CTRL GND DRV SEAT BOLSTER PUMP LO REFR GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL LOGIC NCA WIRE REAR VERTICAL MTR DWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU 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

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

BATT POS VOLT BLK WIRE BLK/BLU WIRE CO-DRV POSI SW LO REF DOWN GRY/WHT WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE PASSENGER FRONT SEAT BACK LUMBAR PUMP PASSENGER FRONT SEAT BLADDER CONTROL MODULE PASSENGER FRONT SEAT LUMBAR SWITCH PASSENGER SEAT LUMBAR SUPPORT SW ANALOG SIG PASSENGER SEAT LUMBAR/ BOLSTER PUMP CTRL RED/BLU WIRE RWD YEL/GRN WIRE

BATT POS VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE LIN BUS 2 BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER CUSHION, BACK SWITCH GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRY WIRE HEATER, AIR CONDITIONING AUXILIARY CONTROL HIGH HEAT IND HOT AT ALL TIMES LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT CUSHION HEATER LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW HEAT IND MEDIUM HEAT IND NCA WIRE PASSENGER CUSHION/ BACK SWITCH REAR SEAT HEATER VENT CONTROL MODULE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR SEAT CUSHION HEATER RR SEAT CUSHION HEATING ELEMENT CTRL WHT/BLK WIRE WHT/BLU WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BODY CTRL MOD LIN BUS 1 BODY CTRL MOD LIN BUS 2 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) GND BODY CTRL MOD LIN BUS 16 GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/GRY WIRE TIRE PRESSURE IND TRAILER TIRE PRESSURE INDICATOR MODULE YEL WIRE

AUTOSAR CAN BUS (+) 4 SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE L REAR TRAILER STOP/ TURN LAMP CONTROL BLK WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED L TRAILER PARK LP CTRL LOGIC POWER DISTRIBUTION SYSTEM R REAR TRAILER STOP/ TURN LAMP CONTROL RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRNK IGN 1 VOLT CENTER HIGH MOUNTED STOP LAMP SUPPLY VOLT TOW/ HAUL SWITCH TOW/HAUL IND TRAILER BACKUP LAMP CONTROL TRAILER BRAKE CONTROL SWITCH TRAILER LAMP CONTROL MODULE (FRONT OF RIGHT REAR WHEELWELL) VIO/BLK WIRE WHT WIRE YEL WIRE