GMC Sierra IV (2018-2022) hot w/ ignition main relay energized Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRK TRANS SHIFT INTERLOCK SOL CTRL BRN/BLU WIRE BRN/WHT WIRE CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM DEFAULT DISABLE SOL CTRL DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SP GMLAN HI SP GMLAN SER DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 (PINS: 39 TO 48 NOT USED) HI SPD GMLAN SERIAL DATA (-) 1 (PINS: 55 TO 62 NOT USED) 63 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG INSTRUMENT CLUSTER KEY CAPTURE SOLENOID ACTUATOR LOGIC OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLT SER DATA (-) (1) SHIFT SEL SW PERFORMANCE SIG SHIFT SEL SW PRK SIG SIG GROUND STRG CLMN KEY CYLINDER LOCK SOL CTRL TAP UP/TAP DOWN SW SIG TORQUE CONV CLTH SOL CTRL TOW/ HAUL SWITCH TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL (PINS: 5, 6 NOT USED) 7 TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 2 SIG TRANS HIGH SIDE DRV 1 SIG DRV TRANS INPUT SPD SENSOR SIG TRANS INTERMEDIATE SPD SIG TRANS MAINLINE PRESS SOL CTRL TRANS OIL TEMP SENS LOW REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

2.7L TURBO 3.0L TURBO DIESEL 5.3L ACCESSORY WAKEUP SERIAL DATA AUTO SWITCH BATT POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH SOLENOID CTRL COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA (-) (1) (PINS: 39 TO 46 NOT USED) GMLAN SERIAL DATA (-) (1) (PINS: 55 TO 58 NOT USED) 59 GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INPUT SPD SIG LEFT SWITCH LOW REF 3 OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT SWITCH RUN/CRANK IGNITION 1 VOLT SERIAL DATA (-) (1) SIG GROUND SNOW SWITCH SOLENOID LOW SIDE CONTROL SPORT SWITCH SWITCH SIG TCC ON/OFF SOLENOID A CTRL TCC ON/OFF SOLENOID B CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 SIG TRANS HI SIDE DRIVER 2 SIG TRANS INTERMEDIATE SPD SIG TRANS MAIN LINE PRESSURE SOLENOID CTRL (PINS: 4 TO 6 NOT USED) 7 TRANS OIL TEMP SENS LO REF (PINS: 29 TO 32 NOT USED) TRANS OIL TEMP SENS SIG TRANS SENS A 9 VOLT REF (PINS: 9 TO 12 NOT USED) 13 TRANS SENS B 9 VOLT REF TRANSMISSION CONTROL MODULE (BEHIND LEFT CORNER OF THE RADIATOR) UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT REF (1) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANK DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC PARKS LAMPS IND RED WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP RUN/ SER VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT WHT WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANK DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC PARKS LAMPS IND RED WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP RUN/ SER VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE

AC PWR OUTLET STATUS IND CTRL BATT POS VOLT 34 BATT POS VOLT 27 BATT POS VOLT 51 DOME LP OFF IND CTRL BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER DOOR LOCK SWITCH EXHAUST BRAKE SWITCH SIG GRN/BRN WIRE GRN/YEL WIRE HDLP SW OFF SIG HI SPD GMLAN SERIAL DATA (-) 1 HDLP SW ON SIG HEADLAMP SW REF HEAD-UP DISPLAY SWITCH HEADLAMP SW SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION MODE SWITCH IND DIMMING CTRL LED BACK LIGHT DIMMING CTRL 1 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC PARK BRAKE CONTROL SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL USB RECEPTACLE VEHICLE STABILITY CONTROL SWITCH VIO/WHT WIRE W/ KEYLESS ENGINE START SWITCH W/ SIDE DOOR LOCK CONTROL W/ STEERING WHEEL ACCESSORY CONTROL W/O SIDE DOOR LOCK CONTROL W/O STEERING WHEEL ACCESSORY CONTROL WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE

12 VOLT REF ALERT LED CTRL ALERT LED CTRL DIMMING CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FORWARD COLLISION ALERT SWITCH GRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW SPD GMLAN SERIAL DATA 2 RED/GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL UP/DOWN SW SIG VIO WIRE VIO/BLK WIRE W/O HEAD-UP DISPLAY WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BLK/WHT WIRE BLU WIRE CAM LOW REF CAM SIG 2- COAX COAX BK GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE OG COAX DISPLAY SIG OG DISPLAY SIG RADIO REAR VIEW CAMERA (IN TAILGATE HANDLE) RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLT SIG GND VIO/GRN WIRE W/ BODY EQUIPMENT W/O BODY EQUIPMENT WHT/BLU WIRE

AUXILIARY MULTI-FUNCTION SWITCH BATTERY FUSE BLOCK BLK WIRE BLU WIRE CONFIGURABLE PROVISION BLUNT CUT CONFIGURABLE PROVISION RELAY 4 EXTENDED CAB CREW CAB GRN/BLU WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL AUXILIARY FUSE BLOCK POWER DISTRIBUTION SYSTEM RED/BLU WIRE ROOF BEACON RELAY WHT/BLK WIRE

2.7L TURBO BACKUP ALARM (IF EQUIPPED) BACKUP LAMP RELAY CONTROL BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND 17 GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LEFT TRAILER TURN SIG LAMP CONTROL LH REAR TRAILER STOP/TURN LAMP CTRL LOW SPEED GMLAN SERIAL DATA NCA WIRE PARK LAMP RELAY CONTROL PARK LAMPS RELAY RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RH REAR TRAILER STOP/TURN LAMP CTRL RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY RIGHT TRAILER TURN SIG LAMP CONTROL RUN/CRANK IGNITION 1 VOLTAGE 4 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 56 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 58 STOP LAMP RELAY COIL CONTROL TRAILER BACKUP LAMP CONTROL TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRAILER LIGHTING CONTROL MODULE TRAILER PARK LAMP CONTROL UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/WHT WIRE W/ SPECIAL EQUIPMENT W/O SPECIAL EQUIPMENT WHT WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE