GMC Sierra IV (2018-2022) grn/blu Wiring diagrams

ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CARGO BED LAMP CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG DOOR LOCK ACTUATOR LOCK CTRL DOOR LOCK ACTUATOR LOCK CTRL 2 DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOOR LOCKS, EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS DRIVER DOOR LOCK SW LOCK SIG DRIVER DOOR LOCK SW UNLOCK SIG GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE HI SPEED GMLAN SER DATA (-) 1 INADVERTENT POWER CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LEFT TAIL LAMP OUTAGE DETECTION SIG LF DOOR AJAR SW SIG FRONT TURN LAMP FEEDBACK SIG LOCAL INTERCONNECT NETWORK BUS SERIAL DATA 3 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 1 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 MAJOR ENDGATE RELEASE SW SIG EXTERIOR MAJOR ENDGATE RELEASE SW SIG INTERIOR MINOR ENDGATE HIGH RELAY CTRL MINOR ENDGATE LOW RELAY CTRL MINOR ENDGATE RELEASE SW DISCRETE SIG EXTERIOR PASSENGER DOOR LOCK SW LOCK CTRL PASSENGER DOOR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RF TURN LAMP FEEDBACK SIG RF DOOR AJAR SW SIG RIGHT TAIL LAMP OUTAGE DETECTION SIG SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SHIFT SELECT SW PARK SI SHIFT SELECT SW PERFORMANCE SIG 16 17 TRAILER BRAKE APPLY SIG STANDING LAMP RLY CTRL SURVEILLANCE SW SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS CHARGING SYSTEM FAULT INDICATOR CTRL YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C REFRIGERANT PRESSURE SENSOR ACTUATOR CTRL CLOSE ACTUATOR CTRL HI ACTUATOR CTRL LOW ACTUATOR CTRL OPEN AIR TEMP SENS 2 SIG BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAM POSI EXHAUST SENS 1 CANISTER PURGE SOL CTRL CHARGE IND CTRL COOLANT TEMP SENS 3 SIG CRANKSHAFT POSI SENS CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE EVAPORATIVE EMISSION PURGE SOLENOID VALVE EXHAUST SENS LOW REF 1 EXHAUST SOLENOID (1) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 2 HI SIG BANK 1 SENS (2) HI VOLT CTRL CYLINDER 2 HI VOLT CTRL CYLINDER 4 HI VOLT SPLY CYLINDER 2 HI VOLT SPLY CYLINDER 4 IGNITION CONTROL 2 IGNITION CONTROL 4 INLET COOLANT TEMP SIG INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR INTAKE SENS LOW REF 1 INTAKE SOLENOID (1) KNOCK SENS LOW REF 1 KNOCK SENS LOW REF 2 KNOCK SENSOR SIGNAL 1 KNOCK SENSOR SIGNAL 2 LOGIC LOW CTRL BANK 1 SENS 2 LOW REFERENCE BANK 1 LOW SIG BANK 1 SENS 2 MOTOR CLOSE CONTROL MOTOR OPEN CONTROL NCA WIRE OUTLET COOLANT TEMP SIG POSI SENS LOW REF PRESS SENS SIG REPLICATED SIG SENS LOW REF 1 SENSOR LOW REFERENCE SOL CTRL 2 SOL CTRL BANK 1 SOUND SYSTEMS STARTING/ CHARGING SYSTEM TURBO BYPASS TURBOCHARGER WASTEGATE ACTUATOR VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE W LOW REFERENCE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE X LOW REFERENCE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR LOGIC ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR LOGIC ACTUATOR HIGH CTRL ACTUATOR LOW CTRL BLK 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/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 21 COMPUTER DATA LINES SYSTEM CTRL DATA DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE OIL IND EVAPORATIVE EMISSION PURGE PUMP EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE EXHAUST SENS CTRL 1 FIELD DUTY CYCLE SIG FUEL GAUGE IND GMLAN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HI VOLT CTRL CYLINDER 1 HI VOLT CTRL CYLINDER 3 HI VOLT SPLY CYLINDER 1 HI VOLT SPLY CYLINDER 3 IGNITION CONTROL 1 IGNITION CONTROL 3 IND INSTRUMENT CLUSTER INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE SENS CTRL 1 KNOCK SENSOR #2 KNOCK SENSOR 1 LO SPD LOGIC MAIN RLY FUSED SPLY (1) MALFUNCTION IND LAMP OIL PUMP COMMAND SIG OIL PUMP MOTOR CTRL POSI INTAKE SENS 1 SER SERIAL STARTING/ CHARGING SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HIGH PRESSURE FUEL PUMP HOT AT ALL TIMES IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 LEFT ENGINE MOUNT SOLENOID VALVE NCA WIRE RED/GRN WIRE RIGHT ENGINE MOUNT SOLENOID VALVE RIGHT INSTRUMENT PANEL FUSE BLOCK SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

APP LOW REF 1 APP SIG (1) BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOCK COOL TEMP SIG BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAC OUTLET TEMP SENS LOW REF CAC OUTLET TEMP SENS SIG CHARGE AIR COOL TEMP SIG CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR CHARGING COOL FLOW CTRL ACT CTRL CLOSE COOL FLOW CTRL ACT CTRL OPEN COOL VLV POS SIG COOLING COOLING FANS SYSTEM CORE OUTLET TEMP SIG DFI HI VOLT SPLY CYL 1 DFI HI VOLT SPLY CYL 2 DFI HI VOLT SPLY CYL 5 DFI HI VOLT SPLY CYL 6 EGR POS SIG EGR TEMP SENS 3 LOW REF ENGINE CONTROL MODULE EXHAUST FLOW CTRL VLV 1 EXHAUST GAS RECIRCULATION VALVE 1 EXHAUST PRESS SENS 1 SIG EXHAUT GAS TEMP SENS 1 LOW REF FANS SYSTEM FPP RLY CTRL FRP SENS LOW REF GEN FIELD DUTY CYCLE SIG GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 4 GLOW PLUG 5 GLOW PLUG 6 GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HPFP HIGH SIDE CTRL LEFT ENGINE MOUNT SOLENOID VALVE OIL TEMP SENS SIG (2) POWER DISTRIBUTION SYSTEM PWR MAIN RLY FUSED SPLY 1 PWR MAIN RLY FUSED SPLY 3 PWR SENS BUS RLY CTRL RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT ENGINE MOUNT SOLENOID VALVE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLT SENS LOW REF (2) STARTER ENABLE RLY CTRL STARTING/ SYSTEM TC VANE POS SENS SIG TEMP SENS SIG VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BATT POSITIVE VOLT 8 BATTERY FUSE BLOCK BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE SENSOR 7 ENGINE OIL TEMPERATURE SENSOR EXHAUST TEMPERATURE SENSOR 1 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 5 FUEL INJECTOR 6 GLOW PLUG 1 CTRL GLOW PLUG 2 CTRL GLOW PLUG 3 CTRL GLOW PLUG 4 CTRL GLOW PLUG 5 CTRL GLOW PLUG 6 CTRL GMLAN SER DATA - (1) GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH PRESSURE EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 2 HOT AT ALL TIMES IGN 1 VOLT LOW REF RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WAKEUP SER DATA WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE DFI HI VOLT CTRL CYL 1 DFI HI VOLT CTRL CYL 2 DFI HI VOLT CTRL CYL 5 DFI HI VOLT CTRL CYL 6 DIESEL PARTICULATE FILTER EXHAUST DIFFERENTIAL PRESSURE SENSOR EGR TEMP SENS 3 SIG ENGINE BLOCK TEMP SENS SIG ENGINE CONTROL MODULE ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE OIL PRESSURE SENSOR EXHAUST GAS TEMP SENS 1 SIG EXHAUST GAS TEMP SENS 3 LOW REF EXHAUST GAS TEMP SENS 3 SIG EXHAUST TEMP SENS 2 LOW REF EXHAUST TEMP SENS 2 SIG EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 FRP SENS 2 SIG FRP SENS SIG FUEL RAIL PRESSURE SENSOR GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE INTAKE MANIFOLD TUNING SOLENOID VALVE LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE MAP SENS SIG NCA WIRE ORG/ WIRE RED/VIO WIRE RED/WHT WIRE THROTTLE ACT CLOSE CTRL THROTTLE ACT OPEN CTRL TRANSMISSION RANGE SENSOR AUTOMATIC TRANSMISSION ASSEMBLY VAR SWIRL VLV CLOSE CTRL VAR SWIRL VLV OPEN CTRL VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR CYLINDER HEAD TEMPERATURE SENSOR DATA 1 (+) ENGINE COOLANT TEMPERATURE SENSOR 5 EXHAUST GAS RECIRCULATION EXHAUST PRESSURE DIFFERENTIAL SENSOR EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPD INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOGIC NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 NITROGEN OXIDES SENSOR 3 RED/VIO WIRE RED/WHT WIRE SENS CTRL SENS LO REF SENS SIG SERIAL THROTTLE BODY (LEFT OF VALVE COVER) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

AUXILIARY UNDERHOOD FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CLUSTER SYSTEM COMPUTER DATA FUEL FILTER TEMP SENS LO REF FUEL FILTER TEMP SIG FUEL HEATER RELAY FUEL HEATER/WATER IN FUEL SENSOR (UNDER VEHICLE, ABOVE SPARE TIRE) FUEL LEVEL SENS LOW REF FUEL PMP ASSEMBLY SHD GND FUEL PRESSURE SENS LOW REF FUEL PRESSURE SENS SIG FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HI SPD GMLAN SER DATA (-) 7 HOT AT ALL TIMES INSTRUMENT LINES SYSTEM LOGIC NCA WIRE POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENS SIG RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT CONTROL MODULE RELAY 2 RUN/CRANK IGNITION 1 VOLT 4 SEC FSD BATT POSITIVE VOLT VIO/BLU WIRE VIO/GRN WIRE WAKE UP SIG WHT WIRE WHT/BRN WIRE WHT/RED WIRE WIF SENS LOW REF WIF SENS SIG WIF SENS VOLT REF YEL/GRY WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CLUSTER CLUSTER SYSTEM COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE OIL IND ENGINE OIL PRESSURE SENSOR EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL GAUGE IND FUEL LEVEL SENS LO REF FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL SYS CTRL MOD SHIELD GND FUEL TANK PRESS SENS SIG FUEL TANK PRESSURE SENSOR FUEL TANK VAPOR GMLAN GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPEED GMLAN SER DATA (-) 7 IGN INSTRUMENT INSTRUMENT CLUSTER LINES SYSTEM LO SPD LOGIC MALFUNCTION IND LIGHT POWERTRAIN SENS BUS ENABLE PRESS SENS LO REF PRIMARY FUEL LEVEL SENS SIG RED/BRN WIRE RED/VIO WIRE RUN/CRANK IGNITION 1 VOLT SYSTEM VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE