GMC Terrain II (2017-2021) (behind center of dash) Wiring diagrams

1.5L TURBO, 2.0L TURBO 1.6L TURBO DIESEL GMC CHEVROLET AUTOMATIC TRANSMISSION ASSEMBLY BACKUP BACKUP LP CTRL BATT POS VOLT BCM 7 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/PPL WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT LIFTGATE TAILLAMP ASSEMBLY LIN SER DATA BUS 2 LOGIC LOGIC INSIDE REAR VIEW MIRROR LP CTRL NCA WIRE RADIO RAP RLY COIL CTRL RED WIRE RED/BRN WIRE RED/GRY WIRE REVERSE IND RIGHT BACKUP LAMP RIGHT LIFTGATE TAILLAMP ASSEMBLY TRANS PARK/ NEUTRAL SIG 1 TRANS POS SW BIT 2 SIG TRANS POS SW BIT 3 SIG TRANS POS SW PARITY BIT SIG TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

BATT POS VOLT BATT POSITIVE VOLT BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/PPL WIRE BLK/WHT WIRE BLU WIRE BLU/PPL WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS CTRL CURRENT SENS LOW REF CURRENT SENS SIG DRIVER INFORMATION CENTER DISPLAY ECM FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 5 FUSE 6 FUSE 7 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRY WIRE GRY/GRN WIRE HI SPD GMLAN SRL DATA (-) (1) INSTRUMENT CLUSTER LO SPD GMLAN LOGIC RED WIRE RED/BRN WIRE RED/WHT WIRE SERIAL DATA 2 SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/YEL WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE FUSE 6 GRN WIRE GRN/WHT WIRE GRY WIRE HIGH NOTE HORN HORN ASSEMBLY HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LOW NOTE HORN RED WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

BATT POS VOLT BCM 8 FUSE BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM DISPLAY INFORMATION CENTER DISPLAY GRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LG LATCH FUSE LIFT GLASS/REAR COMPARTMENT LID LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LIFTGATE UNLATCH RELAY LIFTGATE UNLATCH SWITCH LOGIC LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 PPL/GRY WIRE REAR CLOSURE HANDLE SW OPEN SIG RED/BLU WIRE RED/BRN WIRE YEL/BLU WIRE

AUXILIARY AUDIO INPUT BATTERY SAVER RELAY 1 BLK WIRE BODY CONTROL MODULE CAM LGM VPM FUSE CHEVROLET/ GMC DSP HMI FUSE FROM BODY CONTROL MODULE (DIAGRAM 3 OF 9) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 9) FRONT OVERHEAD CONSOLE ASSEMBLY GARAGE DOOR OPENER GRY/BRN WIRE GRY/PPL WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK IPC USB FUSE LIFTGATE CONTROL MODULE ONSTAR FUSE PARKING ASSIST CONTROL MODULE PPL/BLU WIRE RADIO RDO FUSE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB RECEPTACLE W/ START STOP SYSTEM W/O START STOP SYSTEM W/O START STOP SYSTEM WINDSHIELD FRONT VIEW CAMERA

1.6L TURBO DIESEL ACCESSORY DC/AC POWER INVERTER MODULE BATT POS VOLT BLK WIRE BLU/BRN WIRE BLU/WHT WIRE CAM FUSE EXH FUEL HTR FUSE FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 9) FROM REAR BODY FUSE BLOCK (DIAGRAM 5 OF 9) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 9) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 9) GRY/GRN WIRE L/GATE FUSE LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LIFTGATE CONTROL MODULE LT TRLR TRN/ SIG FUSE PARK LAMPS RELAY PHASE A DC TO AC INVERTER CTRL PHASE B PPL REAR BODY FUSE BLOCK RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REDUCTANT CONTROL MODULE RELAY 1 RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY RT TRLR TRN/ SIG FUSE TRAILER CONNECTOR VIDEO PROCESSING CONTROL MODULE W/ TRAILER BRAKE PROVISIONS W/O TRAILER BRAKE PROVISIONS YEL/GRY WIRE

1.5L TURBO 1.6L TURBO DIESEL 1.6L TURBO DIESEL 2.0L TURBO A/C COMPRESSOR CLUTCH RELAY ACC IND ACC LED SIG ACCESSORY IGN VOLT ACCESSORY VOLT AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE FUEL HEATER RELAY GRN/BLK WIRE GRY/GRN WIRE HEATED OXYGEN SENSOR 1 IGN 1 VOLT IGN MODE SW IGNITION MODE SWITCH ILL IND INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE INTAKE MANIFOLD RUNNER VALVE ACTUATOR KEYLESS ENTRY CONTROL MODULE NCA WIRE NON/WALK FUSE PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE PASSIVE START SWITCH PISTON COOLING OIL JET SOLENOID VALVE POSITIVE CRANKCASE VENTILATION HEATER PPL/BLK WIRE PPL/BLU WIRE PPL/YEL WIRE RAP RELAY 2 COIL CONTROL RUN/CRANK RUN/CRANK IGN 1 VOLT START IND START LED SIG STARTER RELAY TO HVAC CONTROLS) NEAR BREAKOUT (INSTRUMENT PANEL HARNESS, TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 9 OF 9) TRANSMISSION RANGE CONTROL MODULE TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE UNDERHOOD FUSE BLOCK VOLT YEL WIRE

APO CIRCUIT BREAKER BLK WIRE BODY CONTROL MODULE CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR USB RECEPTACLE CHG IND CTRL CIGARETTE LIGHTER RECEPTACLE CIGLTR FUSE DRIVER SEAT HEATING SWITCH FROM OCC SENS FUSE (DIAGRAM 3 OF 9) FRT HT SW FUSE GMC GRN WIRE GRY/GRN WIRE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LG LATCH FUSE LIFTGATE UNLATCH RELAY LOGIC MOBILE DEVICE WIRELESS CHARGER MODULE PASSENGER SEAT HEATING SWITCH PPL PWR FSD CTRL RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RETAINED ACCESSORY POWER RELAY RIGHT STEERING WHEEL CONTROLS SWITCH SHFT CHRG FUSE STEERING WHEEL AIR BAG COIL SWC FUSE VOLT W/ SMOKERS PACKAGE ACCESSORY W/O SMOKERS PACKAGE ACCESSORY

BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/GRN WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM FUSE 5 FUSE 6 GENERATOR GMLAN SER DATA - (1) IGN MODE SW VOLT IGNITION MODE SWITCH RED WIRE STARTER 1 FUSE STARTER MOTOR STARTER RELAY UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

B+ VOLT BATT POS VOLT BCM 4 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 PPL RAIN/AMBIENT LIGHT SENSOR MODULE REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE