GMC Sierra IV facelift (2022-2024) starting/charging system Wiring diagrams

ABS/TRACTION CTRL HILL DESCENT CTRL SW SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM SHIFT INTERLOCK SYSTEM ANTI-LOCK BRAKES SYSTEM AUTO HIGH BEAM ASSIST SW SIG BLK/GRY WIRE BLK/YEL WIRE BLOWER SPEED FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BODY CTRL MODULE LIN BUS 12 BRK TRANS SHIFT INTERLOCK SOL ACTR CTRL BRN WIRE BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL SET/COAST/RESUME/ACCELERATE SW SIG DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SW SIG DOME/READING LAMP ENABLE SIG DRIVER MODE 1 SW SIG ENDGATE REL SW ANALOG SIG INTERIOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD WARNING SW SIG HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLAMP SW REF HEADLAMP SW SIG HEADLIGHTS SYSTEM HIGH BEAM SELECT SW HIGH BEAM SIG HORN SW SIG HORNS SYSTEM IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLT IGNITION MODE SW START LED SIG LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND CTRL LEFT TURN SIG SW SIG MAJOR ENDGATE RELEASE SW SIG INTERIOR NAVIGATION SYSTEM PARK LOCK SOLENOID ACTUATOR CTRL POWER DISTRIBUTION SYSTEM REAR PARKING ASSIST DISABLE LED SIG REAR PARKING ASSIST DISABLE SIG RIGHT TURN SIG SW SIG SENS LOW REF SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TAP UP/TAP DOWN SW SIG 2 ENHANCED DRIVER MODE 2 SW SIG TRAILER BRAKE APPLY SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 1 ACCELERATOR PEDAL POSI SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM AUTOSAR CAN BUS (-) 2 SER DATA AUTOSAR CAN BUS (-) 3 SER DATA BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POSI SENS SIG BRN/RED WIRE CAMSHAFT EXH LOBE AXIAL POSI SIG 1 CAMSHAFT EXH LOBE AXIAL POSI SIG 2 CAMSHAFT EXH STEPPER CYL 2 FRT SOL CTRL CAMSHAFT EXH STEPPER CYL 2 POSI SIG CAMSHAFT EXH STEPPER CYL 2 REAR SOL CTRL CAMSHAFT EXH STEPPER CYL 3 FRT SOL CTRL CAMSHAFT EXH STEPPER CYL 3 POSI SIG CAMSHAFT EXH STEPPER CYL 3 REAR SOL CTRL CAMSHAFT INTAKE LOBE AXIAL POSI SIG 1 CAMSHAFT INTAKE LOBE AXIAL POSI SIG 2 CAMSHAFT INTAKE STEPPER CYL 4 FRT SOL CTRL CAMSHAFT INTAKE STEPPER CYL 4 POSI SENS SIG CAMSHAFT INTAKE STEPPER CYL 4 REAR SOL CTRL CAMSHAFT POSI MOTOR CTRL A CAMSHAFT POSI MOTOR CTRL B CAMSHAFT POSI MOTOR CTRL C CAMSHAFT POSI MOTOR CTRL D CAMSHAFT POSI MOTOR POSI SENS 1 SIG CAMSHAFT POSI MOTOR POSI SENS 2 SIG CAMSHAFT POSI SENS 2 GND COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CTRL MODULE LIN BUS 4 FUEL PUMP PRIMARY RLY CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOOD STATUS A SIG MASS AIR FLOW SENS SIG MASS AIR FLOW SENSOR NCA WIRE PASSENGER OUTSIDE REAR VIEW MIRROR POWERTRAIN MAIN RLY FUSED SPLY VOLT 2 POWERTRAIN RLY COIL CTRL PVT SER DATA POWERTRAIN CAN BUS (-) SER DATA RED/BRN WIRE RUN/CRANK IGN 1 VOLT SIG GND POWERTRAIN MAIN RLY FUSED SPLY VOLT 1 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTR RLY CTRL STARTING/CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL TRANSMISSION RANGE SENSOR AUTOMATIC TRANSMISSION VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 2 AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM AUTOSAR CAN BUS (-) 2 SER DATA AUTOSAR CAN BUS (-) 3 SER DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POSI SENS SIG BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CAN-BUS COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CTRL DATA DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE CTRL SENSORS LOW REF 2 ENGINE CTRL VEHICLE SENS LOW REF 1 ENGINE OIL IND EXH GAS RECIRCULATION POSI SIG EXH GAS RECIRCULATION VALVE HIGH CTRL EXH GAS RECIRCULATION VALVE LOW CTRL EXH PRESSURE SENS SENT 1 SIG FUEL GAUGE IND GLOW PLUG 2 CTRL GLOW PLUG 3 CTRL GLOW PLUG 4 GLOW PLUG 4 CTRL GLOW PLUG 5 CTRL GLOW PLUG 6 CTRL ENGINE CTRL VEHICLE SENS 5 VOLT REF 1 GLOW PLUG CTRL GLOW PLUG IND GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOOD STATUS A SIG HOT AT ALL TIMES IND INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC MALFUNCTION IND LAMP MASS AIR FLOW SENS SIG OIL PRESSURE SENS SIG CRANKCASE DIFFERENTIAL PRESSURE SENS SIG POSI SENS MTR CLOSE CTRL POSI SENS MTR OPEN CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN SENS BUS RLY CTRL RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT SERIAL SIG GND STARTER ENABLE RLY CTRL STARTING/CHARGING SYSTEM TURBOCHARGER VANE POSI SENS SIG TURBOCHARGER VANE POSITION ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WAIT TO WAIT TO START IND CTRL WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE CAMSHAFT POSITION SENSOR CRANKSHAFT POSI SENS VOLT CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL PUMP HI CTRL FUEL PUMP LOW CTRL FUEL RAIL PRES SENS SIG FUEL RAIL PRESSURE SENSOR GEN FIELD DUTY CYCLE SIG GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HI VOLT CTRL CYL 1 HI VOLT CTRL CYL 2 HI VOLT CTRL CYL 3 HI VOLT CTRL CYL 4 HI VOLT CTRL CYL 5 HI VOLT CTRL CYL 6 HI VOLT CTRL CYL 7 HI VOLT CTRL CYL 8 HI VOLT SUPPLY CYL 1 HI VOLT SUPPLY CYL 2 HI VOLT SUPPLY CYL 3 HI VOLT SUPPLY CYL 4 HI VOLT SUPPLY CYL 5 HI VOLT SUPPLY CYL 6 HI VOLT SUPPLY CYL 7 HI VOLT SUPPLY CYL 8 HIGH PRESSURE FUEL PUMP IGNITION CTRL 1 IGNITION CTRL 7 IGNITION CTRL LOW REF BANK 1 LOGIC OIL TEMP SENS SIG PRESS SENS LOW REF PRESSURE SENS SIG SENS LOW REF SENS LOW REF 1 SENS SENT 1 SIG SIG GND SOL ACTUATOR RLY CTRL SOL ENABLE SIG 1 SOL ENABLE SIG 8 SOL VALVE CTRL 1 SOL VALVE CTRL 8 SOL VALVE W LOW REF SPLY VOLT 3 STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TEMP SENS SIG THROTTLE POSI SENS LOW REF VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE CAMSHAFT POSITION SENSOR CRANKSHAFT POSI SENS VOLT CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL PUMP HI CTRL FUEL PUMP LOW CTRL FUEL RAIL PRES SENS SIG FUEL RAIL PRESSURE SENSOR GEN FIELD DUTY CYCLE SIG GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HI VOLT CTRL CYL 1 HI VOLT CTRL CYL 2 HI VOLT CTRL CYL 3 HI VOLT CTRL CYL 4 HI VOLT CTRL CYL 5 HI VOLT CTRL CYL 6 HI VOLT CTRL CYL 7 HI VOLT CTRL CYL 8 HI VOLT SUPPLY CYL 1 HI VOLT SUPPLY CYL 2 HI VOLT SUPPLY CYL 3 HI VOLT SUPPLY CYL 4 HI VOLT SUPPLY CYL 5 HI VOLT SUPPLY CYL 6 HI VOLT SUPPLY CYL 7 HI VOLT SUPPLY CYL 8 HIGH PRESSURE FUEL PUMP IGNITION CTRL 1 IGNITION CTRL 7 IGNITION CTRL LOW REF BANK 1 LOGIC OIL TEMP SENS SIG PRESS SENS LOW REF PRESSURE SENS SIG SENS LOW REF SENS LOW REF 1 SENS SENT 1 SIG SIG GND SOL ACTUATOR RLY CTRL SOL ENABLE SIG 1 SOL ENABLE SIG 8 SOL VALVE CTRL 1 SOL VALVE CTRL 8 SOL VALVE W LOW REF SPLY VOLT 3 STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TEMP SENS SIG THROTTLE POSI SENS LOW REF VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE