Car Wiring Diagrams for Wiring diagram engine performance 6.6l vin y for GMC Sierra IV (2018-2022)

ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRAKE APPLY SENSOR SIGNAL BRAKE SIGNAL BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CLUTCH RELAY CONTROL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DATA ENGINE CONTROL MODULE ENGINE INDICATOR CTRL FLOW SENSOR SIGNAL FUEL PRESSURE REGULATOR 1 GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND 4 GRY WIRE HOT AT ALL TIMES HUMIDITY SENSOR SIG LOW REF LOW REFERENCE LOW REFERENCE (2) MODE 2 SWITCH SIG MODULE LIN BUS 1 NAVIGATION SYSTEM PEDAL POSITION LOW REF 1 POSITION SIGNAL 1 POSITION SIGNAL 2 PRESSURE SENSOR SIGNAL PRIMARY RLY CONTROL RED/BRN WIRE REF RELAY COIL CONTROL RELAY FUSED SUPPLY 1 RUN/CRANK IGN 1 VOLTAGE SENSOR SENSOR LOW REFERENCE SERIAL DATA (-) (1) SERIAL DATA (-) 7 SIG SPEED CTRL SIGNAL START INDICATOR CONTROL STARTER ENABLE RLY CONTROL STARTING/CHARGING SYSTEM SWITCH LOW REFERENCE TEMPERATURE SENSOR SIGNAL UNDERHOOD FUSE BLOCK VALVE HIGH CONTROL VALVE LOW CONTROL VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE VOLT WAKEUP SERIAL DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR AUXILIARY UNDERHOOD FUSE BLOCK BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN RELAY ENGINE CONTROLS IGNITION RELAY FUEL HEATER RELAY GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES IGN LATE PRODUCTION EARLY PRODUCTION LOGIC MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE RED/YEL WIRE SERIAL DATA (-) 7 SIGNAL GROUND TURBOCHARGER VANE POSITION ACTUATOR UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

ACCESSORY VOLT 4 BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/GRN WIRE BRN/WHT WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 4 GLOW PLUG 5 GLOW PLUG 6 GLOW PLUG 7 GLOW PLUG 8 GLOW PLUG CTRL 1 GLOW PLUG CTRL 2 GLOW PLUG CTRL 3 GLOW PLUG CTRL 4 GLOW PLUG CTRL 5 GLOW PLUG CTRL 6 GLOW PLUG CTRL 7 GLOW PLUG CTRL 8 GND 2 GND 5 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES IGN 1 VOLT 21 NOT USED RED/VIO WIRE RED/YEL WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WAKEUP SER DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/WHT WIRE

BATTERY FUSE BLOCK BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM CTRL DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE OIL PRESSURE IND EXHAUST TEMPERATURE SENSOR 1 EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 EXHAUST TEMPERATURE SENSOR 4 EXHAUST TEMPERATURE SENSOR 5 FUEL GAUGE IND GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES IND CTRL IND LO SPD GMLAN INSTRUMENT CLUSTER LOGIC LOW CONTROL LOW REFERENCE MALFUNCTION INDICATOR LIGHT RED/VIO WIRE REDUCTANT INJECTOR RELAY CTRL RLY CTRL SHUTDOWN SIGNAL TRANSMISSIONS SYSTEM VALVE HIGH CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VOLT WAIT TO START IND WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ENGINE CONTROL MODULE FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL SENSOR SIG GMLAN SERIAL DATA (+) 7 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLTAGE LEVEL SENSOR SIGNAL 2 LOW REF LOW REFERENCE LOW REFERENCE 1 MODE CTRL BACKUP MODULE WAKE-UP SIGNAL PRIMARY RELAY CTRL RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SENSOR 2 SIGNAL SENSOR 4 SIGNAL SENSOR 5 SIGNAL SENSOR LOW REF SENSOR SIGNAL SENSOR SIGNAL 1 SHIELD GROUND SPEED SIGNAL SW FEEDBACK SIG TEMP LOW REFERENCE TEMP SENSOR 1 TEMP SENSOR 2 TEMP SENSOR 3 TEMPERATURE SIGNAL TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VOLT SIG A VOLTAGE PHASE 2 VOLTAGE PHASE 3 VOLTAGE REF W/ DUAL TANK W/O DUAL TANK WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AUXILIARY CHASSIS CONTROL MODULE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE DIESEL PARTICULATE FILTER EXHAUST DIFFERENTIAL PRESSURE SENSOR EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 2 FUEL HEATER/WATER IN FUEL SENSOR FUEL PUMP GRN/BLU WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC NCA WIRE PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, FUEL LEVEL SENSOR ASSEMBLY RED/VIO WIRE RED/WHT WIRE TRAILER LIGHTING CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE W/ DUAL TANK W/ INTEGRATED TRAILER BRAKE CONTROL W/O DUAL TANK WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP CTRL FUEL SENSOR SIG GMLAN SERIAL DATA (+) 7 GRN/BLU WIRE GRN/GRY WIRE GROUND 17 GRY WIRE IGNITION 1 VOLTAGE 4 LOW REF LOW REFERENCE MODULE WAKE-UP SIG NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 POS VOLTAGE 53 PRESSURE SENSOR SIG PRIMARY RELAY CTRL PUMP RLY CTRL RED/VIO WIRE RED/WHT WIRE SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP SECONDARY FUEL PUMP, FUEL LEVEL SENSOR ASSEMBLY SENSOR 2 LOW REF SENSOR SIG SENSOR SIG 2 SHIELD GROUND SYSTEM TEMP SENSOR LOW REF TEMP SIG VIO/BLU WIRE VIO/GRN WIRE VOLT REF VOLTAGE PHASE 2 VOLTAGE PHASE 3 WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRY WIRE

5-VOLT REFERENCE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE OIL LEVEL SWITCH FUEL RAIL PRESSURE SENSOR GND 16 GRN/BLU WIRE GROUND 16 HEATER CONTROL LOW HEATER CTRL IGNITION 1 VOLTAGE 4 LINE HEATER CTRL LINE HEATER LOW CTRL LINES SYSTEM LOGIC LOW REF MODULE WAKE-UP SIG POSITIVE VOLTAGE 34 PRESSURE SENSOR SIG RED WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE REDUCTANT LINE HEATER REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT PUMP, SENSOR ASSEMBLY (OUTSIDE OF LEFT FRAME, UNDER REAR OF CAB) REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SENSOR 5 VOLT REF SENSOR FEEDBACK SIG SERIAL DATA (-) (1) SERIAL DATA (-) 7 SMART PUMP CONTROL TANK 2 HEATER CTRL TANK HEATER LOW CTRL TEMP SENSOR SIG VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WAKE UP SERIAL DATA WHT WIRE YEL WIRE

AUXILIARY UNDERHOOD FUSE BLOCK BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLOSE CTRL CRANKSHAFT POSITION SENSOR DUTY CYCLE SIGNAL ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE SENSOR EXHAUST GAS RECIRCULATION VALVE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HEATER FUEL CTRL HIGH CTRL LOW CTRL LOW REF LOW REFERENCE MOTOR CLOSE CTRL MOTOR HIGH SIGNAL MOTOR LOW SIGNAL MOTOR OPEN CTRL NAVIGATION SYSTEM OIL LEVEL SW SIGNAL OPEN CTRL RED WIRE RED/VIO WIRE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT CONTROL MODULE RELAY 2 SENS REPLICATED SIG SENSOR SIGNAL SENSOR VOLT SOLENOID CTRL STARTING/ CHARGING SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR CAMSHAFT SENSOR 1 CHARGE IND CTRL CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 CTRL CYLINDER 5 CTRL CYLINDER 6 CTRL CYLINDER 7 CTRL CYLINDER 8 EARLY PRODUCTION LATE PRODUCTION ENGINE CONTROL MODULE EXHAUST AFTERTREATMENT FUEL INJECTOR EXHAUST GAS RECIRCULATION COOLER BYPASS SOLENOID VALVE 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 PRESSURE REGULATOR 2 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE INTAKE AIR FLOW VALVE INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOW REFERENCE LOW REFERENCE 1 SENSOR 2 SIGNAL SENSOR SIG SENSOR SIGNAL SPLY CYLINDER 1 SPLY CYLINDER 2 SPLY CYLINDER 3 SPLY CYLINDER 4 SPLY CYLINDER 5 SPLY CYLINDER 6 SPLY CYLINDER 7 SPLY CYLINDER 8 STARTING/CHARGING SYSTEM TEMP SIG VALVE SENSOR SIG VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VOLT REF WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE