Car Wiring Diagrams for Power distribution circuit for GMC Sierra IV (2018-2022)

6.6L TURBO DIESEL AUXILIARY BATTERY AUXILIARY BATTERY RELAY 1 AUXILIARY BATTERY RELAY 2 AUXILIARY CHASSIS CONTROL MODULE AUXILIARY GENERATOR BATTERY BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE ELECTRICAL AUXILIARY HEATER ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP DRIVER CONTROL MODULE GENERATOR GLOW PLUG CONTROL MODULE POWER STEERING CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REDUCTANT CONTROL MODULE STARTER MOTOR TO INSTRUMENT PANEL AUXILIARY FUSE BLOCK (DIAGRAM 10 OF 10) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 10) TO RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 10) TO RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 10) TO TRAILER CONNECTOR (CAMPER) (DIAGRAM 2 OF 10) TRAILER LIGHTING CONTROL MODULE TRANSFER CASE CONTROL MODULE VIO/BRN WIRE

6.6L TURBO DIESEL A/C COMPRESSOR CLUTCH RELAY BLUNT CUT) CAMPER/ FROM AUXILIARY BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) LEFT SIDE OBJECT SENSOR MODULE NOT USED RED/GRN WIRE RED/VIO WIRE RIGHT SIDE OBJECT SENSOR MODULE STARTER RELAY TO AUXILIARY UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 10) TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 10) TRAILER BRAKES POWER CONTROL MODULE TRAILER BRAKES PROVISION TRAILER CAMPER PROVISION TRAILER CONNECTOR TRAILER TIRE PRESSURE INDICATOR MODULE W/ AUXILIARY BATTERY RELAYS W/ INTEGRATED TRAILER BRAKE CONTROL W/ SPECIAL EQUIPMENT W/O AUXILIARY BATTERY RELAYS W/O SPECIAL EQUIPMENT

6.6L TURBO DIESEL BLK WIRE BLOWER MOTOR BODY CONTROL MODULE BRN WIRE CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR USB RECEPTACLE CHARGE IND CTRL CREW CAB EXTENDED CAB DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER WINDOW MOTOR FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FROM IGNITION MAIN RELAY (DIAGRAM 8 OF 10) FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH WINDOW SWITCH LOGIC MAL IND CTRL MOBILE DEVICE WIRELESS CHARGER MODULE NOT USED PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH PWR CTRL REAR SEAT ACCESSORY POWER RECEPTACLE REAR SEAT USB RECEPTACLE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RETAINED ACCESSORY POWER RELAY 1 RETAINED ACCESSORY POWER RELAY 2 RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE VIO WIRE VIO/YEL WIRE W/ ACCESSORY SUPPLY W/ BATTERY SUPPLY W/ EXPRESS UP/DOWN W/ KEYLESS ENTRY W/ MEMORY W/O EXPRESS UP/DOWN W/O KEYLESS ENTRY W/O MEMORY WHT WIRE YEL WIRE

10 SPEED A/T 6 SPEED A/T AUTOMATIC TRANSMISSION ASSEMBLY BODY CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) NCA WIRE PARKING ASSIST CONTROL MODULE RADIO RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEAT MEMORY CONTROL MODULE SERIAL DATA GATEWAY MODULE STEERING COLUMN LOCK MODULE SUNROOF MOTOR TO CARGO LAMP RELAY (DIAGRAM 7 OF 10) TO IGNITION SWITCH (DIAGRAM 6 OF 10) TRANSMISSION CONTROL MODULE VIDEO PROCESSING CONTROL MODULE W/ ALL AROUND VISION CAMERA W/ EXPRESS UP/DOWN W/ FORWARD COLLISION ALERT W/ KEYLESS ENTRY W/ MEMORY W/O KEYLESS ENTRY WINDSHIELD FRONT VIEW CAMERA

AUDIO AMPLIFIER FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 10) FRONT SEAT HEATING CONTROL MODULE KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK (LEFT END OF DASH) LEFT PICKUP BOX AUXILIARY ENDGATE LATCH RELAY LEFT PICKUP BOX ENDGATE LATCH RELAY NOT USED PASSENGER SEAT ADJUSTER SWITCH POWER TAKE-OFF CONTROL MODULE REAR GATE MODULE REAR SEAT HEATING CONTROL MODULE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SLIDING REAR WINDOW CLOSE RELAY SLIDING REAR WINDOW OPEN RELAY W/ MANUAL ASSIST POWER RELEASE GATE W/ POWER GATE FUNCTION

ACC LED SIG ACCESSORY VOLTAGE ACTIVE SIGNAL BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE DATA LINK CONNECTOR ENGINE START/STOP SWITCH FROM RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 10) FUEL HEATER RELAY GRN/BLK WIRE IGN 1 VOLT IGN KEY IGN MODE SW IGN MODE SWITCH IGN VOLT 2 IGNITION MODE SWITCH (W/ KEYLESS START) IGNITION MODE SWITCH CHALLENGE ACTIVE SIGNAL IGNITION MODE SWITCH SIGNAL 2 IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE KEY-IN IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE MODE VOLT OFF OFF/RUN/CRANK PASSENGER PRESENCE MODULE PASSIVE START SWITCH 2 LOW REFERENCE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT CONTROL MODULE RELAY 2 RESISTOR SIGNAL RIGHT INSTRUMENT PANEL FUSE BLOCK RUN WIRE RUN/CRANK RUN/CRANK IGNITION 1 VOLTAGE START LED SIG TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) TRAILER BRAKE CONTROL SWITCH VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

6.6L TURBO DIESEL ACCESSORY RELAY AUXILIARY AUDIO INPUT AUXILIARY HEATER COOLANT PUMP RELAY BODY CONTROL MODULE BRN/BLK WIRE CARGO LAMP RELAY ENGINE CONTROLS IGNITION RELAY FROM A/C COMPRESSOR CLUTCH RELAY (DIAGRAM 2 OF 10) FRONT FOG LAMP RELAY HEAD-UP DISPLAY HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HORN RELAY HVAC CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROLS SWITCH LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY PARK LAMPS RELAY REAR DEFOGGER RELAY REAR SEAT HEATING SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY STEERING WHEEL AIR BAG COIL STOP LAMP RELAY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 9 OF 10) TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) TRAILER BACKUP LAMPS RELAY USB RECEPTACLE W/ ONSTAR WHT/GRN WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

10 SPEED A/T 6 SPEED A/T 6.6L TURBO DIESEL AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY CHASSIS CONTROL MODULE BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS CONTROL SOLENOID VALVE ASSEMBLY DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR ELECTRICAL AUXILIARY HEATER ENGINE CONTROL MODULE FROM TRAILER BACKUP LAMPS RELAY (DIAGRAM 7 OF 10) FRONT AXLE ENGAGEMENT ACTUATOR FRONT OVERHEAD CONSOLE ASSEMBLY FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE GRN WIRE GRN/VIO WIRE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR REAR VIEW CAMERA REDUCTANT CONTROL MODULE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH SERIAL DATA GATEWAY MODULE STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TO INSTRUMENT PANEL AUXILIARY FUSE BLOCK (DIAGRAM 10 OF 10) TO RETAINED ACCESSORY POWER RELAY 1 (DIAGRAM 3 OF 10) TRAILER LIGHTING CONTROL MODULE TRANSMISSION CONTROL MODULE VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ BODY EQUIPMENT W/ DUAL TANK W/ FRONT HEATED SEATS W/ INTEGRATED TRAILER BRAKE CONTROL W/O BODY EQUIPMENT W/O DUAL TANK W/O INTEGRATED TRAILER BRAKE CONTROL

AC POWER OUTLET ENABLE ACCESSORY DC/AC POWER INVERTER MODULE BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BODY CONTROL MODULE BRN WIRE BRN/BLK WIRE CARGO ACCESSORY POWER RECEPTACLE COMPUTER DATA LINES SYSTEM DC/AC INVERTER CTRL DC/AC INVERTER CTRL 2 FROM UNDERHOOD FUSE BLOCK (DIAGRAM 7 OF 10) GRN WIRE GRN/BRN WIRE GROUND LOGIC LOW REF LOW REF (8) NCA WIRE RED WIRE RED/WHT WIRE SERIAL DATA VIO/YEL WIRE WAKEUP SERIAL DATA DC/AC INVERTER RLY CTRL WHT/GRN WIRE

AUX 1 AUX 2- AUX 3 AUX 4 AUXILIARY MULTI-FUNCTION SWITCH BLK WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE BRN/WHT WIRE CONFIGURABLE PROVISION CONFIGURABLE PROVISION RELAY 1 CONFIGURABLE PROVISION RELAY 2 CONFIGURABLE PROVISION RELAY 3 CONFIGURABLE PROVISION RELAY 4 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 8 OF 10) GRY/BLK WIRE INSTRUMENT PANEL AUXILIARY FUSE BLOCK ORG/WHT WIRE RED/BLU WIRE ROOF BEACON RELAY VIO/GRN WIRE WHT WIRE WHT/VIO WIRE YEL/BRN WIRE