GMC Sierra IV (2018-2022) late production early production Wiring diagrams

ACC WAKEUP DATA ACC WAKEUP SER DATA ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY CHASSIS CONTROL MODULE (UNDER CHASSIS, MOUNTED TO REAR CROSSFRAME) BLU WIRE BLU/BRN WIRE CHARGE AIR COOLER COOLANT PUMP COMM ENABLE ENGINE CONTROL MODULE EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/VIO WIRE HI SPD SER DATA (+) 7 HI SPD SER DATA (-) 1 HIGH SPEED BUS TERMINATING RESISTOR LATE PRODUCTION EARLY PRODUCTION NETWORK SER DATA BUS 21 NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 POWER TAKE-OFF CONTROL MODULE REDUCTANT CONTROL MODULE (UNDER CHASSIS, ON DEF TANK) TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRANSMISSION CONTROL MODULE TURBOCHARGER VANE POSITION ACTUATOR VIO WIRE VIO/YEL WIRE W/ DUAL TANK W/ POWER TAKE OFF W/ TRANSFER CASE W/ POWER TAKE OFF W/O TRANSFER CASE W/O DUAL TANK W/O INTEGRATED TRAILER BRAKE WHT WIRE WHT/BLU WIRE

A/C COMPRESSOR CLUTCH RELAY ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR AUXILIARY UNDERHOOD FUSE BLOCK BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN RELAY ENGINE CONTROLS IGNITION RELAY FUEL HEATER RELAY GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES IGN LATE PRODUCTION EARLY PRODUCTION LOGIC MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE RED/YEL WIRE SERIAL DATA (-) 7 SIGNAL GROUND TURBOCHARGER VANE POSITION ACTUATOR UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE