GMC Terrain II facelift (2021-2024) vio/blu Wiring diagrams

AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED PARK/ NEUTRAL SIG 1 PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED/GRN WIRE SHIFT SOLENOID VALVE 1 SOL LO SIDE CTRL TOP OF TRANSMISSION) TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM GMLAN SER DATA - (1) GRN/RED WIRE GROUND HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE ORG/ WIRE RED WIRE RED/GRN WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VOLT REF WHT WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

BACKLIGHT LOW REF BACKLIGHT LOW REF DIMMING CTRL BACKUP LAMP CTRL BATT POS VOLT BATTERY FUSE BLOCK BK LVDS INFOTAINMENT DISPLAY SIG BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POS SENS REPLICATED SIG GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPD GMLAN SERIAL DATA 2 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) LVDS NAVIGATION DISPLAY DIMMING CTRL POWER SUPPLY TRANSFORMER RADIO RADIO KEYPAD BUTTON SIG RADIO VOLUME UP SIG RADIO KEYPAD DIMMING CTRL RADIO KEYPAD POWER SIG RADIO KEYPAD VOLT REF RADIO VOLUME DOWN SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE REGULATED CTRL RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPEAKER (+) CTRL RR SPEAKER SIG (-) TOUCH INTERRUPT REQ SIG VIO/BLU WIRE VIO/WHT WIRE W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (CENTER OF DASH) BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA ENGINE CONTROL MODULE ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LF TWEETER SPEAKER (+) LINES SYSTEM LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG MICROPHONE 2 FEEDBACK SIG MICROPHONE 2 SIG MICROPHONE 3 FEEDBACK SIG MICROPHONE 3 SIG MICROPHONE 4 LOW REF MICROPHONE 4 SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RF TWEETER SPEAKER (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

ACTIVE NOISE CANCELLATION MODULE BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REMOTE ENABLE SIG REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE GRN WIRE GRN/WHT WIRE GRY/WHT WIRE INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE MULTI-FUNCTION INTAKE AIR SENSOR TOP OF TRANSMISSION) TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE VIO/BLU WIRE VIO/GRY WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CTRL DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL IND ENGINE OIL PRESSURE SENSOR FUEL GAUGE FUEL IND GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 IND INSTRUMENT CLUSTER INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR LOGIC MALFUNCTION IND NCA WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/RED WIRE BRN/WHT WIRE EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HIGH PRESSURE FUEL PUMP IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 LOGIC NCA WIRE SPARK PLUG THROTTLE BODY (TOP RIGHT OF ENGINE) VIO/BLK WIRE VIO/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

ACC SOL VLV LOW SIDE CTRL BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAM POS ACT SOL VLV W LOW CAM POS ACT SOL VLV X LOW CAMSHAFT POSITION ACTUATOR CHARGE INDICATOR CONTROL COMPUTER DATA LINES SYSTEM CRANK POS SENSOR LOW REF CRANK POS SENSOR VOLTAGE CRANKSHAFT POS SENSOR SIG CRANKSHAFT POSITION SENSOR ECT SENS SIG ENG CNTRL VEH SENS LOW REF 1 (PINS: 44 TO 48 NOT USED) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EX CAM POS SENS 1 VLTG REF EX CAM POS SENS LOW REF 1 EXHAUST CAMSHAFT POSITION SENSOR EXHT CAM POS ACT SOL VLV 1 EXHT CAM POS SENS 1 FUEL INJ HI VOLT CTRL CYL 1 FUEL INJ HI VOLT CTRL CYL 2 FUEL INJ HI VOLT CTRL CYL 3 FUEL INJ HI VOLT CTRL CYL 4 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL SENS SIG GEN SIG (PINS: 65 TO 68 NOT USED) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HI PRESS FUEL PMP HI CTRL HI PRESS FUEL PUMP LOW CNTRL IGN CNTRL LOW REF BANK 1 IGNITION CONTROL 1 IGNITION CONTROL 2 IGNITION CONTROL 3 IGNITION CONTROL 4 IN CAM POS ACT SOL VLV 1 IN CAM POS SENSOR 1 VTG REF INJ CYL 1 INJ CYL 2 INJ CYL 3 INJ CYL 4 INTAKE CAM POS SENS LOW REF 1 INTAKE CAMSHAFT POS SENSOR 1 INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE CAMSHAFT POSITION SENSOR MAN ABSOL PRESS SENS LOW REF MAP SENS SIG POWERTRAIN SENSOR BUS ENABLE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTING/CHARGING SYSTEM THROTTLE INT ABSOL PRESS SIG (PINS: 39 TO 42 NOT USED) THROTTLE POS SENS LOW REF THROTTLE POS SIG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE ENGINE CONTROL MODULE GRN/BLU WIRE GRY/WHT WIRE HIGH CTRL IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 NCA WIRE PPL/GRY WIRE SENS LOW REF (2) SENS LOW REF 1 SIG GND SPARK PLUG VIO/BLU WIRE VIO/GRY WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE