GMC Terrain II (2017-2021) red/yel Wiring diagrams

BATTERY FUSE BLOCK BCM 2 FUSE BCM 6 FUSE BLK WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM CTRL DRIVER MODE SELECT SWITCH FUSE 3 GRN/BLU WIRE GRY/PPL WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INSTRUMENT PANEL FUSE BLOCK LOGIC NETWORK BUS 2 PARK LOCK SOL CTRL PARK POSITION SWITCH POWER SUPPLY TRANSFORMER PPL/BLK WIRE PPL/GRN WIRE PPL/YEL WIRE PRESS BRAKE RAP RLY COIL RAP RLY COIL CTRL RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SHIFT POS SIG SHIFT SELECT SWITCH PERFORMANCE SIG SPLY VOLT 2 SPLY VOLT 2 BATT POS VOLT TAP UP/TAP DOWN SW SIG TCM FUSE TCM/ECM FUSE TOW/HAUL SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK UP/DOWN TRANSMISSION MANUAL SHIFT SWITCH W/O START/STOP SYSTEM W/ START/STOP SYSTEM WHT WIRE WHT/PPL WIRE

ACC WAKEUP SERIAL DATA BATT POS VOLT BATTERY FUSE BLOCK BCM 2 FUSE BCM 6 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BUS 2 COIL CTRL COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH E SHIFT FUSE FUSE 3 GRN/BLU WIRE GRY/PPL WIRE HI SPD GMLAN SER DATA (+) 3 HI SPD GMLAN SER DATA (-) 7 HI SPD GMLAN SER DATA (-) 7 ACC WAKEUP SERIAL DATA HI SPD GMLAN SER DATA (-) 7 BATT POS VOLT HI SPD GMLAN SER DATA - HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INSTRUMENT PANEL FUSE BLOCK LOGIC NETWORK NETWORK BUS 2 PARK LOCK SOL CTRL PARK POSITION SWITCH POWER SUPPLY TRANSFORMER PPL/BLK WIRE PPL/GRN WIRE PPL/YEL WIRE PRESS BRAKE RAP RLY RAP RLY COIL CTRL RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SHIFT POS SIG SHIFT SELECT SW PERFORMANCE SIG SIG GND SPLY TAP UP/TAP DOWN SW SIG TOW/HAUL SWITCH TRANSMISSION RANGE SELECTOR CONTROLS TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK UP/DOWN TRANSMISSION MANUAL SHIFT SWITCH VAR/ FUNC FUSE VOLT 2 WHT WIRE WHT/PPL WIRE

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

AMPLIFIER FUSE BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE CAMERA SIGNAL 2 CAMERA SIGNAL 2 (PINS: 16 TO 29 NOT USED) COMPUTER DATA LINES SYSTEM DSP HMI FUSE FUSE 3 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 IPC USB FUSE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPD GMLAN SERIAL DATA 2 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MIC SIG AUDIO SIG MIC (-) LOW REF MIC LOW REF AUDIO LOW REF MIC SIG NAVIGATION SYSTEM NETWORK SERIAL DATA BUS 5 POWER SUPPLY TRANSFORMER PPL/YEL WIRE RADIO RDO FUSE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL 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 SWC FUSE W/ ONSTAR W/O ONSTAR W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SW SIG DRIVER INFORMATION CENTER DISPLAY DSP HMI FUSE FRT PARKING LEFT/RIGHT/MID SENS LF SUPPLEMENTAL OBJECT SENS SIG FRT PARKING FRT PARKING SENS LOW REF FUSE 3 GMLAN SER DATA (-) (2) GND REAR PARK ASSIST DISABLE SIG GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LED DISABLE SIG LEFT CORNER SENS FRT PARKING LEFT MID SENS LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT REAR MIDDLE PARKING ASSIST SENSOR LEFT REAR OUTER PARKING ASSIST SENSOR LO SPD GMLAN SER DATA LOGIC LR CORNER OBJECT SENS SIG LR MIDDLE OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE (RIGHT SIDE OF LUGGAGE AREA) PARKING ASSIST DISABLE SWITCH PARKING ASSIST IND PARKING ASSIST ON/OFF SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRY WIRE PPL/WHT WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER PARKING ASSIST SENSOR RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT REAR MIDDLE PARKING ASSIST SENSOR RIGHT REAR OUTER PARKING ASSIST SENSOR RR CORNER OBJECT SENS SIG RR MIDDLE OBJECT SENS SIG W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/PPL WIRE YEL/WHT WIRE

AJAR SW SIG BLK WIRE BLU/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH DRV (+) DRV UP SIG EXPRESS EXPRESS SIG FT WINDOW FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LEFT FRONT LEFT REAR LIN SERIAL LIN SERIAL DATA BUS 3 LOCKOUT INDICATOR LOGIC MTR STATUS SIG OSRVM FUSE POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/YEL WIRE RIGHT FRONT RIGHT REAR RR WDO FUSE UNLCK SIG WHT/PPL WIRE WINDOW LOCK SWITCH WINDOW SWITCH

AJAR SW SIG BLK WIRE BLU/GRY WIRE BLU/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DOOR LOCKS SYSTEM DOWN DOWN CTRL EXPRESS GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE ILL LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LIN SERIAL LIN SERIAL DATA BUS 4 LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH RED/BRN WIRE RED/YEL WIRE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL UP CTRL YEL/BLU WIRE

BACKLIGHT LOW REF BACKLIGHT LOW REF DIMMING CTRL BACKUP LAMP CTRL BATT POS VOLT BATTERY FUSE BLOCK 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 FUSE 3 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PPL WIRE GY LVDS INFOTAINMENT DISPLAY SIG HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK IPC USB FUSE 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 PPL/BLU WIRE PPL/WHT WIRE 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 RDO FUSE 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 (-) SWC FUSE TOUCH INTERRUPT REQ SIG W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

AMPLIFIER FUSE BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE CAMERA SIGNAL 2 CAMERA SIGNAL 2 (PINS: 16 TO 29 NOT USED) COMPUTER DATA LINES SYSTEM DSP HMI FUSE FUSE 3 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 IPC USB FUSE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPD GMLAN SERIAL DATA 2 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MIC SIG AUDIO SIG MIC (-) LOW REF MIC LOW REF AUDIO LOW REF MIC SIG NAVIGATION SYSTEM NETWORK SERIAL DATA BUS 5 POWER SUPPLY TRANSFORMER PPL/YEL WIRE RADIO RDO FUSE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL 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 SWC FUSE W/ ONSTAR W/O ONSTAR W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AMPLIFIER FUSE BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/GRN WIRE CAMERA SIGNAL 2 CAMERA SIGNAL 2 (PINS: 16 TO 29 NOT USED) COMPUTER DATA LINES SYSTEM DSP HMI FUSE FUSE 3 GRN/WHT 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 IPC USB FUSE LOW SPD GMLAN SERIAL DATA 2 MIC (-) LOW REF MIC LOW REF AUDIO LOW REF MIC SIG MIC SIG AUDIO SIG NAVIGATION SYSTEM NETWORK SERIAL DATA BUS 5 POWER SUPPLY TRANSFORMER PPL/YEL WIRE RADIO RDO FUSE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RED/YEL WIRE REF REGULATED CTRL RIGHT FRONT MOBILE TELEPHONE MICROPHONE SERIAL DATA (-) 9 SERIAL DATA (-) 9 BACKUP LAMP CTRL SERIAL DATA (-) 9 SERIAL DATA (+) 9 SERIAL DATA COMM ENABLE SIG SWC FUSE W/ ONSTAR W/O ONSTAR W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT/BLU WIRE WHT/GRN WIRE