GMC Terrain II (2017-2021) blk Wiring diagrams

AUTO HEAD OFF PARK BATT POS VOLT BCM 3 FUSE BCM 4 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRN/YEL WIRE CHEVROLET COMPUTER DATA LINES SYSTEM GMC GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HAZ LED DIMMING SIG HAZ SW LH TURN SIG HAZ SW RH TURN SIG HAZARD WARNING SWITCH HDLP SW PARK LP SIG HEADLAMP SWITCH HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 HAZARD SW SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT LICENSE PLATE LAMP LEFT TURN IND LH FT TURN SIG LP CTRL BATT POS VOLT LH REAR STOP LP CTRL LH STOP/TAILLAMP FEEDBACK SIG LH FT TURN SIG LP CTRL LEFT PARK LAMP CTRL LOGIC PARK LIGHTS IND PARK LP RLY CTRL PPL PPL/BLU WIRE PPL/GRY WIRE PPL/WHT WIRE REAR LICENSE LP CTRL RH STOP/TAILLAMP FEEDBACK SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RIGHT LICENSE PLATE LAMP RIGHT OUTER TAIL/ STOP LAMP RIGHT OUTER TAIL/STOP LAMP RIGHT PARK LAMP CTRL RIGHT REAR SIDE MARKER LAMP RIGHT TAILLAMP ASSEMBLY RIGHT TAILLAMP ASSEMBLY (CHEVROLET W/ LED) RIGHT TAILLAMP ASSEMBLY (GMC) RIGHT TURN IND RR STOP LP CTRL STOP LP RLY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ LED W/O LED W/O TERRAIN DENALI W/ TERRAIN DENALI GMC CHEVROLET WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLK WIRE

"CHECK ENGINE" IND CTRL 5 VOLT REF A/C COMPRESSOR A/C PRESS SENS SIG AFTER BOIL HTR RLY CTRL AIR CONDITIONING SYSTEM AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR APP POS SIG 1 APP SIG (2) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRAKE PEDAL POSITION SENSOR BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVE MODE SELECT SWITCH (ON FLOOR CONSOLE) DRV MODE SW SIG ECM FUSE ECM, TCM FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUEL PUMP PRIMARY RLY CTRL SOL CTRL GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HIGH REF BANK 1 HOOD OPEN SW SIG HOT ALL ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG IGNITION 1 VOLT LOW REF LOW REF (1) LOW REF 2 MAF SENS SIG MAIN RELAY FUSED SPLY 1 MAIN RELAY FUSED SPLY 2 MODE PARK/NEUTRAL SIG (1) POWERTRAIN MAIN RLY PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE RED/WHT WIRE RELAY COIL CTRL SENS SIG STARTER ENABLE RELAY STARTER ENABLE RLY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK WAKEUP SERIAL DATA 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/PPL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AIR CONDITIONING SYSTEM BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/WHT WIRE BRAKE BOOSTER VACUUM SENSOR BRN/GRY WIRE BRN/WHT WIRE CNSTR/ VENT/SOL FUSE COMPUTER DATA LINES SYSTEM DATA (-) (3) DATA OUT SIG DRIVE MODE SELECT SWITCH ECM 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 W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN/ COIL/ EVEN FUSE IGN/ COIL/ ODD FUSE LOW REF MODE NCA WIRE NON/ WALK FUSE POWER DISTRIBUTION SYSTEM PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE PRIMARY FUEL LEVEL SENSOR RED WIRE RED/BLU WIRE RED/PPL WIRE SECONDARY FUEL LEVEL SENSOR SERIAL DATA SHIELD UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE WHT WIRE WHT/BLU WIRE WHT/PPL WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

5 VOLT REF ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 LOGIC ACTUATOR LOW CTRL BLK WIRE BLK/GRN WIRE BLU/PPL WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE IND CTRL CHARGING COMPUTER DATA LINES SYSTEM CTRL DATA DATA BUS 21 DUTY CYCLE SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL PRESSURE, TEMPERATURE SENSOR GRN WIRE GRN/BLU WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE LEVEL SENS SIG LIN SERIAL LOGIC LOW REF LOW SIDE CTRL PARK PHASER LK CTRL PPL PPL/BLK WIRE PPL/BLU WIRE PRESS SENS SIG PRESS SIG PRIMARY FUEL RED/PPL WIRE RLY RLY FUSED SPLY 4 SECONDARY FUEL SENS LOW REF (2) SENS SIG SENS SIG BANK (1) SER SOL CTRL STARTING/ SYSTEM TEMPERATURE SIG TURBOCHARGER BOOST SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE ENGINE OIL PRESSURE SENSOR EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE GRN WIRE GRN/BLU WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 LOGIC NCA WIRE PPL/BLU WIRE PPL/GRY WIRE SPARK PLUG THROTTLE BODY (LEFT SIDE OF INTAKE MANIFOLD) WHT/BLK WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN 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

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CNSTR/ VENT/SOL FUSE DIESEL PARTICULATE FILTER EXHAUST DIFFERENTIAL PRESSURE SENSOR ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EXHAUST TEMPERATURE SENSOR 1 EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 FROM ENGINE CONTROL IGNITION RELAY (DIAGRAM 3 OF 9) FROM NON/WALK FUSE (DIAGRAM 3 OF 9) FUEL HEATER FUSE FUEL HEATER RELAY FUSE 2 GRN/BLU WIRE GRN/PPL WIRE GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES NCA WIRE NOX SOOT FUSE PISTON COOLING OIL JET SOLENOID VALVE PPL/BLU WIRE PPL/GRN WIRE RED/PPL WIRE REDUCTANT CONTROL MODULE RELAY 2 REDUCTANT LINE HEATER REDUCTANT LINE HEATER 1 REDUCTANT LINE HEATER 2 SCR MOD FUSE UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/RED WIRE YEL 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

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR CRANKSHAFT POSITION SENSOR ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE SENSOR FUEL PRESSURE REGULATOR 2 GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/PPL WIRE GRY/RED WIRE INTAKE AIR FLOW VALVE (LEFT SIDE OF INTAKE MANIFOLD) INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOGIC PPL/BLU WIRE PPL/YEL WIRE RADIATOR COOLANT TEMPERATURE SENSOR TURBOCHARGER VANE POSITION CONTROL SOLENOID VALVE TURBOCHARGER VANE POSITION SENSOR UNDERHOOD FUSE BLOCK WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/PPL WIRE