GMC Terrain II (2017-2021) gry Wiring diagrams

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR (NEAR TOP RIGHT SIDE OF RADIATOR) ACCELERATOR PEDAL POS 5 V REF 1 ACCELERATOR PEDAL POS 5 V REF 2 ACCELERATOR PEDAL POS LOW REF 1 ACCELERATOR PEDAL POS LOW REF 2 ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLUNT CUT) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE POS SENS LOW REF BRAKE POS SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLANT PUMP CTRL COOLING FAN CTRL RLY SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS ECM FUSE ENG CTRL SENS LO REF (2) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUEL METERING VALVE HIGH CTRL FUEL METERING VALVE LOW CTRL FUEL PRESSURE REGULATOR 1 FUEL PUMP PRIMARY RELAY CTRL GLOW PLUG CTRL GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOOD OPEN SWITCH SIGNAL HOT AT ALL TIMES INDUCTION AIR TEMP SENS SIG INTAKE AIR TEMP SENS LOW REF LOOP AUXILIARY PUMP RLY CTRL MAIN RELAY FUSED SPLY 1 MAIN RELAY FUSED SPLY 2 MAIN RELAY FUSED SPLY 3 MASS AIR FLOW SENS SIG NETWORK SERIAL DATA BUS 21 POWERTRAIN RELAY COIL CTRL PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RLY CTRL STARTING/CHARGING SYSTEM TRANSMISSION PARK/NEUTRAL SIG 1 TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK WAIT TO START IND CTRL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/PPL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUEL HEATER/WATER IN FUEL SENSOR (PART OF REDUCTANT FLUID RESERVOIR) FUEL LEVEL SENSOR FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP FUSE FUEL PUMP, LEVEL SENSOR ASSEMBLY GND EXT GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT LOGIC LOW REF NCA WIRE PPL PPL/BLU WIRE PPL/GRN WIRE PRESS SENS SIG PRI SENS SIG PRIMARY FUEL LEVEL SENSOR RED/BLU WIRE RLY CTRL SEC SENS SIG SECONDARY FUEL LEVEL SENSOR SENS 2 LOW REF SENS CTRL 1 SENS SIG SER DATA SER DATA (-) 7 TEMP SIG UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE VOLT PHASE 2 VOLT PHASE 3 W/ CATALYTIC REDUCTION SYSTEM W/O CATALYTIC REDUCTION SYSTEM WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE DRIVE MODE SELECT SWITCH DRIVE MODE SELECT SWITCH (ON FLOOR CONSOLE) ECM FUSE ECM/TCM FUSE ENGINE CONTROLS IGNITION RELAY FLEX FUEL FUSE FUSE 5 FUSE 6 GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN/ COIL/ EVEN FUSE IGN/ COIL/ ODD FUSE MODE NON/ WALK FUSE POWER DISTRIBUTION SYSTEM PPL/BLU WIRE PPL/GRN WIRE RED WIRE REDUCTANT INJECTOR TO FUEL HEATER RELAY (DIAGRAM 5 OF 9) TO REDUCTANT CONTROL MODULE RELAY 2 (DIAGRAM 5 OF 9) UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/PPL WIRE YEL WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 LOGIC ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRK VACUUM LOW REF BRK VACUUM SENS SIG BRN WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POS SENS CTRL DATA DATA 2 (+) DEF MODULE RELAY CTRL DEF VALVE HIGH CTRL DRIVER INFORMATION CENTER DISPLAY DRVR MODE SW SIG ENG CTRL SENS ENGINE CONTROL MODULE ENGINE OIL IND EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 2 EXHAUST PRESS EXHAUST PRESS SENS SIG 1 EXHAUST SENS 1 LOW REF EXHAUST SENS 2 LOW REF EXHAUST SENS 3 LOW REF EXHAUST SENS LOW REF EXHAUST SENS SIG EXHAUST TEMP SENS 1 EXHAUST TEMP SENS 2 EXHAUST TEMP SENS 2 SIG EXHAUST TEMP SENS 3 FRONT OF RADIATOR) FUEL GAUGE FUEL HEATER RLY CTRL 1 FUEL IND GLOW PLUG IND GMLAN GRN/BLU WIRE GRN/BRN WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEATER CTRL SIG HUMIDITY SENS SIG IND INSTRUMENT CLUSTER LO REF 2 LO SPD LOGIC MALFUNCTION IND NCA WIRE OUTSIDE AIR SENS SIG POSITIVE CRANKCASE VENTILATION HEATER PPL/BLU WIRE REPLICATED SIG RLY SENS LOW REF 1 SER SERIAL SOUND SYSTEM THROTTLE SENS SIG VALVE LOW CTRL WHT/BLU WIRE WHT/BRN WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/PPL WIRE YEL/RED WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/PPL WIRE BLU WIRE BLU/BRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM CTRL CTRL 1 DEF HEATER GND DEF HEATER SPLY 1 EXH FUEL HTR FUSE EXHAUST PARTICULATE MATTER SENSOR GRN/BLU WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEVEL SENS GND LEVEL SENS SIG LEVEL SENS SPLY LINE HEAT GND MODULE WAKE NITROGEN OXIDES SENSOR 2 PPL/BLU WIRE PPL/GRN WIRE PRESS SENS GND PRESS SENS SIG PRESS SENS SPLY PUMP GND PUMP PHASE A PUMP PHASE B PUMP PHASE C REAR BODY FUSE BLOCK RED WIRE RED/PPL WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT QUALITY SENSOR SENS 1 SENS GND SENS SIG SENS SPLY SERIAL DATA SERIAL DATA (-) 7 TANK HEAT GND TANK HEAT SPLY TEMP SENS UP SIG WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/WHT WIRE

ACT DIAG SIG BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLUNT CUT) BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BYPASS SOL CTRL ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH EXHAUST GAS RECIRCULATION COOLER BYPASS SOLENOID VALVE FUEL RAIL CTRL FUEL RAIL SENS SIG GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/PPL WIRE GRY/RED WIRE INTAKE MANIFOLD RUNNER VALVE ACTUATOR MAF SENS CTRL MAP SENS LOW REF MAP SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OIL LEVEL SW SIG OIL PUMP SIG PISTON JET VLV CTRL PPL/BLU WIRE PRESS SOL LO REF RED WIRE REDUCTANT LEVEL SENSOR 1 REDUCTANT PRESSURE SENSOR REDUCTANT PUMP REDUCTANT PUMP, SENSOR ASSEMBLY REDUCTANT TANK HEATER REDUCTANT TEMPERATURE SENSOR SOLENOID RLY CTRL STARTING/CHARGING SYSTEM STR PINION THROTTLE CTRL CLOSE THROTTLE CTRL OPEN WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/PPL WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PPL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLUNT CUT) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT INTAKE SENS LOW REF 1 CAMSHAFT POS INTAKE SENS 1 CAMSHAFT POS INTAKE SENS CTRL 1 CHARGE INDICATOR CTRL COOLANT TEMP SENS 2 LOW REF COOLANT TEMP SENS LOW REF COOLANT TEMP SENS SIG COOLER INLET TEMP SENS SIG COOLER OUTLET TEMP SENS SIG ENG METAL TEMP LO REF ENG METAL TEMP SENS SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMP SENS SIG EXHAUST GAS RECIRCULATION VALVE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL RAIL PRESS SENS 2 SIG FUEL RAIL PRESS SENS LOW REF FUEL RAIL PRESSURE SENSOR GENERATOR FIELD DUTY CYCLE SIG GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 4 GLOW PLUG CTRL 1 GLOW PLUG CTRL 2 GLOW PLUG CTRL 3 GLOW PLUG CTRL 4 GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/RED WIRE GRY/YEL WIRE INDUCTION AIR TEMP SENS 2 SIG INLET TEMP SENS LOW REF OIL PRESS SENS LOW REF OIL PRESS SENS SIG OUTLET TEMP SENS LOW REF PISTON COOLING OIL PRESS SIG PISTON COOLING OIL PRESSURE SWITCH PPL/BLK WIRE PPL/YEL WIRE RECIRCULATION SENS LOW REF RECIRCULATION VALVE MTR HIGH SIG RECIRCULATION VALVE MTR LOW SIG RECIRCULATION VALVE SENS SIG STARTING/CHARGING SYSTEM THROTTLE POS SENS LOW REF VARIABLE NOZZLE TURBO SOL HIGH SIG VARIABLE NOZZLE TURBO SOL LOW SIG VARIABLE SWIRL VALVE PWM CTRL SIG VARIABLE SWIRL, ACTUATOR POS SIG VARIABLE TURBO POS SENS LOW REF VARIABLE TURBO POS SENS SIG VOLT CTRL CYLINDER 1 VOLT CTRL CYLINDER 2 VOLT CTRL CYLINDER 3 VOLT CTRL CYLINDER 4 VOLT SPLY CYLINDER 1 VOLT SPLY CYLINDER 2 VOLT SPLY CYLINDER 3 VOLT SPLY CYLINDER 4 WHT/BLK WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/PPL WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SER DATA AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS LOW REF BRK POS SENS SIG BRK VACUUM SENS SIG BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CNSTR/ VENT/ SOL FUSE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV MODE SW SIG ECM FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL HTR RLY CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP CONTROLLER DATA OUT SIG GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 3 HI SPD GMLAN SER DATA (-) 7 HOOD OPEN SW SIG HOT AT ALL TIMES HUMIDITY SENS SIG IGN MODE SW MODE CTRL BACKUP IMS MODE SW LO REF INDUCTION AIR TEMP SENS SIG MAIN RLY FUSED SPLY 3 MASS AIR FLOW SENS SIG OUTSIDE AMBIENT AIR TEMP SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RELAY COIL CTRL PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE RED/PPL WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SENS HI REF BANK 1 STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PPL WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/PPL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BRAKE BOOSTER VACUUM SENSOR BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA (-) (3) DATA OUT SIG ECM FUSE ECM, TCM FUSE ENGINE CONTROLS IGNITION RELAY FLEX FUEL FUSE FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (UNDER LEFT SIDE OF VEHICLE) FUEL PUMP FUSE FUEL PUMP, LEVEL SENSOR ASSEMBLY (INSIDE FUEL TANK) FUSE 6 GRN/WHT WIRE GROUND GRY WIRE GRY/RED WIRE HOT ALL ALL TIMES HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN/ COIL/ ODD FUSE IGN/COIL/ EVEN FUSE LOW REF PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE PRIMARY FUEL LEVEL SENSOR RED WIRE RED/BLU WIRE REF SECONDARY FUEL LEVEL SENSOR SENS LOW SERIAL DATA UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE WHT WIRE WHT/BLU WIRE WHT/PPL WIRE YEL WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH (ON FLOOR CONSOLE) ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE SENSOR GRN WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 HIGH PRESSURE FUEL PUMP MODE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE PPL/BLK WIRE PPL/BLU WIRE RLY CTRL SER DATA TURBOCHARGER BOOST/INTAKE AIR TEMPERATURE SENSOR WHT/BLU WIRE WHT/PPL WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE