GMC Hummer EV I (2021-2024) pickup box endgate latch handle Wiring diagrams

AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT +VE VOLTAGE BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DISPLAY GROUND GROUND PICKUP BOX ENDGATE LATCH RELAY HIGH MOUNT STOP LAMP HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT MINOR ENDGATE AJAR SIG LEFT PICKUP BOX AUXILIARY ENDGATE LATCH LOGIC MINOR ENDGATE HI RLY CTRL MINOR ENDGATE LOW RLY CTRL MINOR ENDGATE REL SWITCH DISCRETE SIGNAL EXTERIOR NCA WIRE PICKUP BOX AUXILIARY ENDGATE LATCH RELAY PICKUP BOX ENDGATE LATCH HANDLE RED/GRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT MINOR ENDGATE AJAR SIG RIGHT PICKUP BOX AUXILIARY ENDGATE LATCH VIO WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ACCESSORY POWER RECEPTACLE SWITCH AUTOSAR CAN BUS (-) 9 SERIAL DATA BATT +VE VOLTAGE BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY ENDGATE RELEASE SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GROUND GROUND PICKUP BOX ENDGATE LATCH RELAY GRY WIRE HIGH MOUNT STOP LAMP HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PICKUP BOX ENDGATE LATCH LIGHTING CONTROL MODULE (RIGHT END OF DASH) LOGIC MAJOR ENDGATE AJAR SIG MAJOR ENDGATE HI RLY CTRL MAJOR ENDGATE LOW RLY CTRL MAJOR ENDGATE REL SWITCH SIGNAL EXTERIOR MAJOR ENDGATE REL SWITCH SIGNAL INTERIOR NCA WIRE PICKUP BOX ENDGATE LATCH HANDLE RED/GRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PICKUP BOX ENDGATE LATCH SUPPLY VOLTAGE PICKUP BOX ENDGATE LATCH RELAY WHT/GRN WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER FASCIA AUXILIARY SIGNAL LAMP FRONT FASCIA LAMP LED DRIVER MODULE FRONT IDENTIFICATION LAMP GRN WIRE GRN/VIO WIRE GRY/BRN WIRE GRY/RED WIRE HIGH MOUNT STOP LAMP HIGH MOUNTED HOT AT ALL TIMES LEFT UPPER HEADLAMP LED DRIVER MODULE NCA WIRE PARK LIGHTS PICKUP BOX ENDGATE LATCH HANDLE REAR IDENTIFICATION LAMP RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT HEADLAMP RIGHT TURN SIGNAL LIGHT STOP TRAILER LAMP CONTROL MODULE TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/YEL WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/GRN WIRE

BATTERY CHARGER COUPLER BATTERY ENERGY CONTROL MODULE 1 BLK WIRE BLK/WHT WIRE CHARGE PORT DOOR AJAR SWITCH CHARGE PORT HOUSING CHARGE PORT HOUSING LAMP HIGH MOUNT STOP LAMP IMAGE PROCESSING MODULE LEFT CARGO LAMP PICKUP BOX AUXILIARY ENDGATE STEP LEFT PICKUP BOX AUXILIARY ENDGATE LATCH LEFT PICKUP BOX ENDGATE LATCH LEFT REAR BODY STRUCTURE STOP LAMP LEFT REAR LICENSE PLATE LAMP LEFT SHORT RANGE RADAR REAR SENSOR LEFT SHORT RANGE RADAR REAR SIDE SENSOR LOGIC NCA WIRE PARKING ASSIST CONTROL MODULE PEDESTRIAN ALERT CONTROL MODULE PICKUP BOX ENDGATE LATCH HANDLE RIGHT CARGO LAMP RIGHT CARGO LAMP PICKUP BOX AUXILIARY ENDGATE STEP RIGHT PICKUP BOX AUXILIARY ENDGATE LATCH RIGHT REAR LICENSE PLATE LAMP RIGHT SHORT RANGE RADAR REAR SENSOR RIGHT SHORT RANGE RADAR REAR SIDE SENSOR SUSPENSION CONTROL MODULE TRAILER TIRE PRESSURE INDICATOR MODULE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 5 VEHICLE DYNAMICS SENSOR W/ TAILGATE ASSIST LIGHTING ACCESSORY W/O TAILGATE ASSIST LIGHTING ACCESSORY WHT WIRE