GMC Sierra IV (2018-2022) trailer brake power control module 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

ACC WAKEUP DATA ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR AUXILIARY CHASSIS CONTROL MODULE (UNDER CHASSIS, MOUNTED TO REAR CROSSFRAME) BLU WIRE BLU/BRN WIRE CHARGE AIR COOLER COOLANT PUMP COMM ENABLE EARLY PRODUCTION ENGINE CONTROL MODULE EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE (TOP OF ENGINE) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE HI SPD SER DATA (+) 7 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP DATA HI SPD SER DATA (-) 1 ACC WAKEUP SER DATA HIGH SPEED BUS TERMINATING RESISTOR LATE 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 CONTROL MODULE W/ POWER TAKE OFF W/ TRANSFER CASE W/ POWER TAKE OFF W/O TRANSFER CASE W/O DUAL TANK W/O INTEGRATED TRAILER BRAKE W/O POWER TAKE OFF CONTROL MODULE W/O VARIABLE ASSIST POWER STEERING WHT WIRE WHT/BLU WIRE YEL WIRE

ACC WAKEUP ACC WAKEUP SER DATA ACCESSORY DC/AC POWER INVERTER MODULE ASSIST STEP CONTROL MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BUS 31 BUS 33 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 2 HI SPD GMLAN SER DATA (-) 8 HI SPD GMLAN SER DATA (-) 9 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 2 LEFT SIDE OBJECT SENSOR MODULE LIN SER DATA LIN SER DATA BUS 31 LIN SER DATA BUS 33 LO SPD GMLAN LOW SPD GMLAN NOT USED PARK BRAKE SWITCH REAR GATE MODULE RED/VIO WIRE RIGHT SIDE OBJECT SENSOR MODULE RUN/CRANK IGN 1 VOL SER DATA SER DATA (-) 5 SER DATA COMM ENABLE SERIAL DATA GATEWAY MODULE TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRAILER LIGHTING CONTROL MODULE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BASE BASE EQUIPMENT BLK WIRE BRAKE FLUID LEVEL SWITCH ENGINE BRAKE CONTROL MODULE EXCEPT BASE EXCEPT BASE EQUIPMENT EXTERIOR PICKUP BOX ENDGATE CONTROL SWITCH GMC HOOD AJAR SWITCH LEFT BACKUP LAMP LEFT CARGO LAMP LEFT FENDER FRONT SIDE MARKER LAMP LEFT FENDER REAR SIDE MARKER LAMP LEFT FRONT FOG LAMP LEFT FRONT REAR FENDER CLEARANCE LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LICENSE PLATE LAMP LEFT LOW BEAM HEADLAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT PARK/TURN SIGNAL LAMP LEFT PICKUP BOX AUXILIARY ENDGATE LATCH LEFT REAR REAR FENDER CLEARANCE LAMP LEFT REAR SIDE MARKER LAMP LEFT STOP/TURN SIGNAL LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LIFTGATE COURTESY LAMP LOGIC NCA WIRE PICKUP BOX ENDGATE UNLATCH SWITCH REAR GATE MODULE RIGHT LICENSE PLATE LAMP RIGHT PICKUP BOX AUXILIARY ENDGATE LATCH TRAILER BRAKE POWER CONTROL MODULE UNDERHOOD FUSE BLOCK WINDSHIELD WIPER RELAY WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR

ACCESSORY WAKE UP SERIAL DATA AUXILIARY CHASSIS CONTROL MODULE BATT POS VOLT BATTERY POSITIVE VOLTAGE HIGH SPEED GMLAN SERIAL DATA (+) 1 BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) CHASSIS CONTROL MODULE LIN BUS 1 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS GRN/BLU WIRE GRN/VIO WIRE GROUND GROUND 17 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOCAL INTERCONNECT N/W BUS 33 RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLTAGE 4 TRAILER AUXILIARY CTRL TRAILER BRAKE APPLY SIGNAL TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE CTRL SIG TRAILER BRAKE ENABLE SIG TRAILER BRAKE ENABLE SIGNAL TRAILER BRAKE POWER CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL/BLK WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) CAMPER/ COMPUTER DATA LINES SYSTEM GRN/BLU WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES LEFT TRAILER TURN SIG LAMP LIN BUS 2 RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER TURN SIG LAMP TRAILER AUXILARY CONTROL TRAILER BRAKE APPLY SIG TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKES PROVISION (BLUNT CUT) (UNDER LEFT SIDE OF INSTRUMENT PANEL) TRAILER CONNECTOR UNDERHOOD FUSE BLOCK W/ INTEGRATED TRAILER BRAKE CONTROL W/ SPECIAL EQUIPMENT W/ TRAILER HITCH PREPARATION PACKAGE W/O INTEGRATED TRAILER BRAKE CONTROL W/O SPECIAL EQUIPMENT W/O TRAILER HITCH PREPARATION PACKAGE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE