GMC Terrain II facelift (2021-2024) grn/yel Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA BACKUP LAMP CTRL BACKUP LAMP RELAY CTRL BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS CTRL DOME LAMP OFF INDICATOR CTRL DOOR LOCK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK ACTUATOR UNLOCK CTRL DR LOCK ACTUATOR LOCK CTRL DRIVER MODE 1 INDICATOR CTRL DRIVER MODE 2 INDICATOR CTRL DRIVER MODE 4 INDICATOR CTRL DRIVER MODE 5 INDICATOR CTRL DRL RELAY CTRL EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FRONT FOG LAMP CONTROL FRONT TURN SIG LAMP FEEDBACK SIG FRONT WINDSHIELD WIPER SW HIGH SIG LIFT GLASS/REAR COMPT LID MTR RELEASE CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEMS HI SPEED GMLAN DATA BUS (+) 1 HI SPEED GMLAN DATA BUS (-) 1 RIGHT FRONT DRL CONTROL HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CTRL INSTRUMENT CLUSTER SYSTEM INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SW SIG KEY CAPTURE/COLUMN LOCK SHIFT POS SIG LED BACKLIGHT DIMMING CTRL 1 LEFT HEAD LAMP HIGH BEAM CONTROL LEFT HEADLAMP RELAY CONTROL LF HDLP LO BEAM CTRL LF TURN SIG LAMP CTRL LH PARK LAMP CTRL 2 LH STOP/TAIL LAMP FEEDBACK SIG LIFTGATE AJAR SWITCH SIG 1 LOCAL INTERCONNECT NETWORK BUS 2 LOCAL INTERCONNECT NETWORK BUS 3 LR TURN SIG LAMP CTRL PARK LAMP RELAY CONTROL PARK LOCK SOLENOID CTRL POWER DISTRIBUTION SYSTEM PUSH BUTTON START CHALLENGE ACTIVE REAR COMPT LID LAMP CTRL REAR LICENSE LAMP CTRL REAR WINDOW WASHER RELAY CTRL REAR WIPER MOTOR RELAY COIL CTRL RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RF TURN SIG LAMP CTRL RF TURN SIG LAMP FEEDBACK SIG RH HDLP LO BEAM CTRL RH PARK LAMP CTRL 2 RH STOP/TAIL LAMP FEEDBACK SIG RIGHT REAR TURN SIG LAMP CTRL RR CLOSURE HANDLE SW OPEN SIG LINEAR INTERCONNECT NETWORK DATA BUS 1 RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SIDE MARKER/LICENSE LAMP CTRL STARTING/CHARGING SYSTEM STOP LAMP RELAY COIL CTRL TRAILER BRAKE APPLY SIG TRANS SHIFT LEVER POSITION IND 2 CTRL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HI SPD GMLAN SER DATA (+) 5 HI SPD GMLAN SER DATA (-) 2 HIGH SPEED GMLAN SERIAL DATA (+) 8 HIGH SPEED GMLAN SERIAL DATA (+) 9 HIGH SPEED GMLAN SERIAL DATA (-) 11 HIGH SPEED GMLAN SERIAL DATA (-) 12 HIGH SPEED GMLAN SERIAL DATA (-) 13 HIGH SPEED GMLAN SERIAL DATA (-) 8 GROUND HOT AT ALL TIMES HVAC CONTROL HVAC CONTROL MODULE HVAC CONTROLS INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LEFT SIDE OBJECT SENSOR MODULE LIN BUS 1 LO SPD GMLAN LO SPD GMLAN SER DATA LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA 2 LOW SPEED GMLAN SERIAL DATA 3 MODULE LIN BUS 2 NCA WIRE RED/GRN WIRE RED/VIO WIRE RIGHT SIDE OBJECT SENSOR MODULE SER DATA SER DATA COMM ENABLE SERIAL DATA GATEWAY MODULE (CENTER OF DASH) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR

AMBIENT LIGHT/ SUNLOAD SENSOR BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE DRIVER SEAT HEATING SWITCH DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE LEFT REAR SEAT HEATING SWITCH LEFT REAR WINDOW SWITCH LIN BUS 1 LIN BUS 2 LIN BUS 3 LIN BUS 4 LIN BUS 5 PASSENGER SEAT HEATING SWITCH PASSENGER WINDOW SWITCH REAR SEAT HEATING CONTROL MODULE RIGHT REAR SEAT HEATING SWITCH RIGHT REAR WINDOW SWITCH SUNROOF CONTROL MODULE TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO/YEL WIRE W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

6 SPEED A/T ACCY IGN VOLT ACCY WAKEUP ACCY WAKEUP SER DATA ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR BATTERY SENSOR MODULE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE COMM ENABLE COOLING FAN MOTOR FRONT OF RADIATOR) GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 2 LIN BUS 1 LIN BUS 2 LIN BUS 3 LIN BUS 4 LIN BUS 5 LO SPD GMLAN NCA WIRE SER DATA SER DATA (-) (1) SER DATA COMM ENABLE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/YEL WIRE W/ FORWARD COLLISION ALERT W/O FORWARD COLLISION ALERT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/WHT WIRE DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBAR SUPPORT MOTOR DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR FRONT VERTICAL MTR DWN CTRL FRONT VERTICAL MTR UP CTRL GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL LEFT "C" PILLAR) MEMORY 1 SWITCH MEMORY 2 SWITCH REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/GRN WIRE RWD SET SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESSURE SENSOR A/C SWITCH BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH ENGINE CONTROLS IGNITION RELAY FAN DOWN SWITCH FAN UP SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HVAC CONTROLS LEFT TEMPERATURE UP SWITCH START/ STOP SWITCH RIGHT TEMPERATURE DOWN SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED WIRE RED/BLU WIRE RIGHT TEMPERATURE UP SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH VIO/BLU WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH WINDSHIELD DEFROST SWITCH LEFT TEMPERATURE DOWN SWITCH

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

AUDIO LOW REF AUDIO SIG + BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPD GMLAN SERIAL DATA 2 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MIC (-) LOW REF MIC SIG POWER SUPPLY TRANSFORMER RADIO RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REF REGULATED CTRL REMOTE ENABLE SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT MOBILE TELEPHONE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA (-) 9 SERIAL DATA (-) 9 BACKUP LAMP CTRL SERIAL DATA (-) 9 SERIAL DATA (+) 9 SERIAL DATA COMM ENABLE SIG VIO/YEL WIRE W/ ONSTAR W/ START/ STOP SYSTEM W/O ONSTAR W/O START STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK 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

BATTERY POSITIVE VOLT BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM 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 WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE 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 SPD GMLAN SERIAL DATA (-) 1 BATTERY POSITIVE VOLT 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 LO SPD GMLAN SERIAL DATA 2 LOGIC LOW TIRE PRESSURE IND 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 PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RADIO RED/BLU WIRE RED/VIO WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND SERIAL DATA 2 SW LOW REF UNDERHOOD FUSE BLOCK W/ ELECTRONIC TRANS RANGE SELECTOR SYSTEM W/O ELECTRONIC TRANS RANGE SELECTOR SYSTEM WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE