GMC Terrain II (2017-2021) blu/blk Wiring diagrams

02 SNSR FUSE 1.6L TURBO DIESEL ACC WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE FUSED SUPPLY 4 GRN WIRE GRN/PPL WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA - HIGH SPD SER DATA (+) (1) HIGH SPD SER DATA (+) 3 BATT POS VOLT HIGH SPD SER DATA (+) 3 GROUND HIGH SPD SER DATA (-) 3 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN ISS ISS LOW HIGH LIN DATA BUS 21 LOGIC LOW REF NON/ WALK FUSE OSS OSS LOW HIGH PARK/ NEUTRAL SIG 1 PC 2 SOL PC 3 SOL PC 4 SOL PC 5 SOL PPL/BLU WIRE PPL/GRN WIRE PPL/WHT WIRE PPL/YEL WIRE PR LINE SOL 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 WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RUN/CRANK IGN 1 VOLT SHFT-CTL FUSE SHIFT SOLENOID VALVE 1 SOL LO SIDE CTRL SS 1 TCC SOL TCM FUSE TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANS POS SW TRANS POS SW BIT 1 SIG TRANS POS SW BIT 2 SIG TRANS POS SW PARITY BIT BIT 3 SIG SIG 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 TRANSMISSION RANGE CONTROL MODULE (1.6L TURBO DIESEL) (TOP OF TRANSMISSION) TRCM FUSE UNDERHOOD FUSE BLOCK W/O START/STOP SYSTEM W/ START/STOP SYSTEM WAKEUP SER DATA 2 WHT WIRE WHT/GRY WIRE YEL 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

ABS FUSE B+ VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/PPL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (1) PARK BRK RELEASE SW VOLT REF HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 SER DATA COMM ENABLE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LIN SERIAL DATA BUS 2 LOGIC LR PARK BRK MTR APPLY CTRL PARK BRAKE APPLY SW VOLT REF PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK IND RED/VIO WIRE RED/WHT WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR LOW REF LR PARK BRK MTR LOW REF RR PARK BRK MTR APPLY CTRL SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED 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

BATT POS BK COAX AM/FM BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE CAMERA SIGNAL 2 COAX DATA ETHERNET BUS 4 (-) GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LOGIC MIC (-) LOW REF MIC 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 NAVIGATION SYSTEM PPL/BLU WIRE RADIO RED WIRE RED/BRN WIRE RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE USB USB GY USB SERIAL DATA USB SERIAL VOLT W/O S-BAND DIGITAL AUDIO SYSTEM WHT/BLU WIRE WHT/GRN WIRE YEL 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

1.6L TURBO DIESEL 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 PPL/BLU WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL 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 WHT 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

1.6L TURBO DIESEL AUDIO AMPLIFIER 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 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 PPL/BLU WIRE PPL/BRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL 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 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE