GMC Sierra IV facelift (2022-2024) blu Wiring diagrams

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

ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING REFRIGERANT PRESSURE SENSOR BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE AIR COOLER COOLANT PUMP ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST PRESSURE REGULATOR VALVE FROM ENGINE CONTROLS SENSOR SUPPLY VOLTAGE RELAY (DIAGRAM 7 OF 9) GLOW PLUG 2 GLOW PLUG 5 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED MASS AIR FLOW SENSOR RED/BRN WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CYLINDER HEAD TEMPERATURE SENSOR ENGINE OIL TEMPERATURE SENSOR ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST GAS RECIRCULATION VALVE 2 EXHAUST GAS TEMPERATURE SENSOR MODULE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 5 FUEL INJECTOR 6 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INLET CHARGE AIR COOLER COOLANT TEMPERATURE SENSOR NCA WIRE PASSENGER OUTSIDE REAR VIEW MIRROR RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/GRY WIRE

ACTUATOR CTRL CLOSE ACTUATOR CTRL OPEN AIR COOLANT TEMP SIG BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE COOLANT DIVERTER VALVE COOLING FANS SYSTEM DFI HI VOLT CTRL CYL 1 DFI HI VOLT CTRL CYL 2 DFI HI VOLT CTRL CYL 5 DFI HI VOLT CTRL CYL 6 ENGINE BLOCK TEMP SENS SIG ENGINE CONTROL MODULE ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR ENGINE INLET COOLANT TEMP SIG ENGINE OIL PRESSURE SENSOR ENGINE WATER CHARGE EXH GAS RECIRCULATION 2 FRP SENS 2 SIG FUEL RAIL PRESS SENS SIG FUEL RAIL PRESSURE SENSOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE INTAKE MANIFOLD TUNING SOLENOID VALVE LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE MAP SENS SIG OUTLET COOLANT TEMP SIG PARTICULATE FILTER EXHAUST PRESSURE DIFFERENTIAL SENSOR RED/VIO WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM THROTTLE POS SENS SENT 1 SIG VALVE CLOSE CTRL VALVE OPEN CTRL VALVE POSI SENS SIG VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE

AUTOSAR BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY BRN/WHT WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 2 EXHAUST GAS RECIRCULATION EXHAUST PRESSURE DIFFERENTIAL SENSOR EXHAUST GAS TEMPERATURE SENSOR MODULE 2 EXHAUST PARTICULATE MATTER SENSOR FUEL LEVEL SENSOR FUEL PUMP GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM INTAKE AIR FLOW CONTROL VALVE LOGIC MANIFOLD ABSOLUTE PRESSURE, INTAKE AIR TEMPERATURE SENSOR NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 RED/VIO WIRE RED/WHT WIRE SENS CTRL SENS LOW REF SENS SIG SER DATA VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

BATT POSI VOLT BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (-) SERIAL DATA CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SENSOR SUPPLY VOLTAGE RELAY ENGINE WIRING HARNESS JUNCTION BLOCK FUEL FILTER FUEL HEATER RELAY FUEL LEVEL SENS LOW REF FUEL PMP ASSEMBLY SHLD GND FUEL PRESS SENS LOW REF FUEL PRESS SENS SIG FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP POWER CONTROL MODULE FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 FUEL TEMP SENS 1 LOW REF FUEL TEMP SENS 1 SIG GEAR SHIFT CONTROL MODULE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE POWERTRAIN SENSOR BUS ENABLE PRIMARY FUEL LEVEL SENS SIG RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 2 OF 9) VIO/GRN WIRE VIO/WHT WIRE W/ ETRS WHT WIRE WHT/BRN WIRE WIF SENS LOW REF WIF SENS SIG YEL WIRE YEL/GRY WIRE

5 V REF 1 ACTUATOR CLOSE CTRL BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PUMP CTRL EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HI SIG BANK 1 SENS (1) HI SIG BANK 2 SENS 1 HI SIG BANK 2 SENS 2 IGNITION CTRL (5) IGNITION CTRL 3 IGNITION CTRL 4 IGNITION CTRL 6 KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 LIN BUS 1 LIN BUS 2 LOW CTRL BANK 1 SENS 1 LOW CTRL BANK 1 SENS 2 LOW CTRL BANK 2 SENS (1) LOW CTRL BANK 2 SENS (2) LOW REF (1) LOW REF BANK 2 LOW SIG BANK 1 SENS (1) LOW SIG BANK 2 SENS (2) LOW SIG BANK 2 SENS 1 NCA WIRE SOL ENABLE SIG 3 SOL ENABLE SIG 4 SOL ENABLE SIG 5 SOL ENABLE SIG 6 SOL VALVE CTRL 3 SOL VALVE CTRL 5 SOL VALVE CTRL 6 SPLY VOLT 5 TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CYLINDER 1 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 2 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 3 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 4 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 5 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 6 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 7 VALVE LIFTER OIL SOLENOID VALVE CYLINDER 8 VALVE LIFTER OIL SOLENOID VALVE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE KNOCK SENSOR #2 KNOCK SENSOR 1 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

5 V REF 1 ACTUATOR OPEN CTRL BANK 1 SENS 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HI SIG BANK 1 SENS (2) IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 IGNITION CTRL 2 IGNITION CTRL 8 KNOCK SENS SIG 1 KNOCK SENS SIG 2 LOGIC LOW SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MASS AIR FLOW SENSOR NCA WIRE SENS 1 SENS 1 VOLT REF SENS BUS ENABLE SENS SIG SIG GND SOL ENABLE SIG 2 SOL ENABLE SIG 7 SOL VALVE 1 SOL VALVE CTRL 2 SOL VALVE CTRL 4 SOL VALVE CTRL 7 SPARK PLUG STARTING/ CHARGING SYSTEM VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU 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