GMC Terrain II (2017-2021) anti-lock brakes system Wiring diagrams

ABS/TCS HILL DESCENT CTRL SW SIG ACC IGN VOLT ACC IND ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT BATTERY POSITIVE VOLT INFOTAINMENT REGULATED CTRL BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DIMMER SW LO REF DIMMER SW SIG DIMMIMG IND DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER DR LOCK SW UNLOCK SIG DRIVER MODE 5 INDICATOR CONTROL ENGINE START/ STOP EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRONT FOG LAMP SWITCH SIGNAL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD LED DIMMING SIGNAL HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG HAZARD SW SIG HDLP AUTOMATIC HI BEAM DIM CTRL HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HORN SW SIG HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMPS SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTR CTRL HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTUATOR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOLT IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LED BACKLIGHT DIMMING CTRL LIN BUS 15 PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM PPL/BLK WIRE PPL/BLU WIRE PPL/YEL WIRE REAR FOG LAMP SWITCH SIGNAL REAR WINDOW WIPER SWITCH SIGNAL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REMOTE FUNCTION ACTR TRANSMIT SIGNAL RUN/CRANK IGN 1 VOLT SECURITY INDICATOR CTRL SET/COAST/RESUME/ ACCELERATE SW SIG WINDSHIELD WIPER SW LOW REF SHIFT SELECT SW PERFORMANCE SIG START IND TAP UP/TAP DOWN SWITCH SIGNAL TRANSMISSIONS SYSTEM VIO/YEL WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/RED WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY 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

"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

ACTUATOR LOW CTRL AIR PRESS SIG ANTI-LOCK BRAKES SYSTEM BANK 1 SENS 1 BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLU/PPL WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CTRL CURRENT ADJUST SIG CURRENT PUMP SIG DATA DRIVER INFORMATION CENTER DISPLAY DUTY CYCLE SIG ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL IND EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL GAUGE FUEL IND FUEL PRESSURE, TEMPERATURE SENSOR FUEL TANK PRESSURE SENSOR GMLAN GRN WIRE GRN/BLU WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HTD OXYGEN SENS GND IND INSTRUMENT CLUSTER LEVEL SENS SIG LO SPD LOGIC LOW CTRL LOW REF LVL SENS SIG MALFUNCTION IND MAP SENS SIG OIL LEVEL SW SIG PPL/BLK WIRE PPL/BLU WIRE PRESSURE SENS SIG PRIMARY FUEL RLY FUSED SPLY 5 SECONDARY FUEL SENS COLLECTOR SIG SENS LOW REF SENS SIG SER DATA BUS 21 SERIAL SIG GND SOL CTRL STARTING/ CHARGING SYSTEM TEMP SIG WHT/BLU WIRE WHT/PPL WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE