GMC Terrain II (2017-2021) blk Wiring diagrams

ABS FUSE 22 ABS FUSE 27 BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE PRESSURE MODULATOR BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/GRY WIRE GRN/PPL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PPL RED/PPL WIRE RED/WHT WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

1.6L TURBO DIESEL ABS IND. ABS/TCS HILL DESCENT CTRL SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRAKE POSITION BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER J122 (1.5L TURBO, 2.0L TURBO) LOGIC NCA WIRE PPL RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

A/C EVAPORATOR TEMPERATURE SENSOR AIR INLET DR STEPPER MOTOR CTRL 1 AIR INLET DR STEPPER MOTOR CTRL 2 AIR INLET DR STEPPER MOTOR CTRL 3 AIR INLET DR STEPPER MOTOR CTRL 4 AIR RECIRCULATION DOOR ACTUATOR AIR TEMP DR STEPPER MOTOR PASS CTRL 1 AIR TEMP DR STEPPER MOTOR PASS CTRL 2 AIR TEMP DR STEPPER MOTOR PASS CTRL 3 AIR TEMP DR STEPPER MOTOR PASS CTRL 4 AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/GRN WIRE DR CTRL LOW REF ECM FUSE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR EVAP CORE TEMP SENS SIG GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC MOTOR CTRL J121 (1.5L TURBO, 2.0L TURBO) LEFT AIR TEMPERATURE DOOR ACTUATOR MODE DOOR ACTUATOR MODE DR STEPPER MOTOR CTRL 1 MODE DR STEPPER MOTOR CTRL 2 MODE DR STEPPER MOTOR CTRL 3 MODE DR STEPPER MOTOR CTRL 4 ORG/ WIRE PPL/BLU WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR TEMP DR STEPPER MOTOR CTRL 1 TEMP DR STEPPER MOTOR CTRL 2 TEMP DR STEPPER MOTOR CTRL 3 TEMP DR STEPPER MOTOR CTRL 4 UNDERHOOD FUSE BLOCK WHT WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

BACKUP LAMP CTRL BACKUP LAMP CTRL IGN BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR ISRVM FUSE LOGIC LOW REF MIRROR DIMMING PPL/GRY WIRE SIG UNDERHOOD FUSE BLOCK YEL/WHT WIRE

"CHECK ENGINE" IND CTRL ABS IND. AFL IND AIR BAG IND BATT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BK USB BLK WIRE BRAKE IND BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DOOR LOCK IND DOWN DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL PRESSURE IND FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE FUSE 3 GLOW PLUG IND GRN/BLK WIRE GRN/BRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/YEL WIRE HEAD-UP DISPLAY SIG HIGH BEAM ASSISTANT IND HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK IPC USB FUSE KM/H IND LANE KEEPING ASSIST IND LEFT TURN IND LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC LOW FUEL IND LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL MALFUNCTION IND MOST CTRL MOST SERIAL DATA (+) MPH IND NAVIGATION SYSTEM PARK BRAKE IND PARK LAMPS IND POWER SUPPLY TRANSFORMER PPL PPL/GRN WIRE REAR FOG LAMP IND RED/BRN WIRE RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL REGULATED CTRL RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TURN IND SEAT BELT IND SECURITY IND SEEK DOWN SEEK UP SERVICE PARK BRAKE IND SPEEDOMETER TACHOMETER TRACTION OFF IND UNDERHOOD FUSE BLOCK UP LEFT USB USB DRIVE DATA CONNECTOR VAR/ FUNC FUSE VEHICLE AHEAD IND VOL - VOL + SEL VSC IND VSC OFF IND W/ START/STOP SYSTEM W/O START/STOP SYSTEM WAIT TO START INDICATOR CONTROL WHT WIRE WHT/GRN WIRE WHT/PPL WIRE WIPER/ WASHER SYSTEM

ABS FUSE 22 BATT POSITIVE VOLT BATTERY POSITIVE VOLT BCM 4 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/PPL WIRE BODY CONTROL MODULE BRAKE FLUID LEVEL SENS SIG BRN WIRE BRN/PPL WIRE BRN/WHT WIRE BUS 2 COIL CTRL COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER MODE 1 IND CTRL DRIVER MODE 2 IND CTRL DRIVER MODE 4 IND CTRL DRIVER MODE 5 IND CTRL ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/PPL WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA (-) 1 LOGIC MODE MODE 1 IND MODE 2 IND MODE 4 IND MODE 5 IND NETWORK NETWORK BUS 3 PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH PPL/YEL WIRE PRESS BRAKE RAP RLY RAP RLY COIL CTRL RED/BLU WIRE RED/PPL WIRE TOW/ HAUL TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

"CHECK ENGINE" IND CTRL 1.6L TURBO DIESEL 1.6L TURBO DIESEL 2.0L TURBO, 1.5L TURBO 2.0L TURBO 2.0L TURBO, 1.5L TURBO AIR TEMPERATURE SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENSOR FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA (+) 7 GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (+) 7 J110 (2.0L TURBO, 1.5L TURBO) LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LOGIC LOW REF LOW REF 2 LR DR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OIL LEVEL SWI SIG OIL PRESSURE SENS SIG PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEC SENS SIG SECONDARY FUEL LEVEL SENSOR SENS 2 LOW REF SENS LOW REF UNDERHOOD FUSE BLOCK WAIT TO START IND CTRL WHT WIRE WHT/RED WIRE YEL/BRN WIRE

B+ MIRROR MOTOR FOLD OUT CTRL BLK WIRE BLU WIRE BRN WIRE DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER PASSENGER DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW SWITCH ELECTROCHROMIC MIRROR CIRCUIT EXTERIOR LIGHTS, DEFOGGER SYSTEMS FOLD IN CTRL FOLDING SWITCH GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LEFT TURN SIGNAL REPEATER LAMP LOGIC MIRROR DIMMING MIRROR MOTOR NAVIGATION SYSTEM OFF OSRVM FUSE PASSENGER POWER DISTRIBUTION SYSTEM PPL PPL/YEL WIRE RED WIRE RED/BRN WIRE RIGHT WHT WIRE WHT/BRN WIRE YEL WIRE YEL/PPL WIRE

BLK WIRE DEFOGGER SYSTEM EXTERIOR LIGHTS, DEFOGGER SYSTEMS GRN/BLK WIRE GRN/VIO WIRE GRY WIRE NAVIGATION SYSTEM PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PPL/YEL WIRE RIGHT TURN SIGNAL REPEATER LAMP WHT WIRE WHT/BRN WIRE YEL/PPL WIRE

ABS FUSE 22 BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BCM 4 FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER WINDOW MOTOR MODULE DRV SEAT BELT DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE HDLP SW OFF SIG CTRL HDLP SW ON SIG CTRL HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LO SPD GMLAN SERIAL DATA (-) 1 LO SPD GMLAN SERIAL DATA 2 LOGIC LR DR AJAR SW SIG NCA WIRE NETWORK BUS 3 NETWORK BUS 4 OFF AUTO ORG/BRN WIRE PARK PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RADIO RED/BLU WIRE RED/PPL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND SERIAL DATA SERIAL DATA 2 SW LOW REF TIRE PRESSURE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/PPL WIRE YEL WIRE YEL/RED WIRE