GMC Terrain II (2017-2021) (under front of driver seat) Wiring diagrams

AMBIENT LIGHTING CTRL 1 BATT POS VOLT BCM 7 FUSE BLK WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMPS SW SIG REAR COMPARTMENT LID LAMP CTRL DEFEAT SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LF DR AJAR SW SIG LOGIC LOW SPEED GMLAN SERIAL DATA LR DR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH REAR COMPARTMENT COURTESY LAMP RED/BRN WIRE RED/GRY WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP RR DR AJAR SW SIG WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU/PPL WIRE BRN/PPL WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 6 GRN WIRE GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC CONTROLS HVAC FUSE INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA MIR/DEFOG FUSE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH RED WIRE RED/GRN WIRE RR/WDO/DEFOG FUSE UNDERHOOD FUSE BLOCK

2.0L TURBO, 1.5L TURBO 1.6L ACT CTRL ACTR LOCK CTRL ACTR UNLCK CTRL ACTUATOR BATT POS VOLT BCM 8 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CTRL DR LOCK CTRL DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER DISPLAY GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD OPEN SW SIG HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LH HDLP LO BEAM CTRL LOCK SIG LOGIC NCA WIRE PASS DOOR LOCK SW LOCK CTRL PASS DOOR LOCK SW UNLOCK CTRL PASSENGER DOOR LOCK SWITCH PPL PPL/GRN WIRE RCV SIG RECEIVE SIG RED/BRN WIRE REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO BEAM CTRL SEC IND CTRL SECURITY IND SERIAL DATA (+) (3) TRANS SIG UNDERHOOD FUSE BLOCK UNLCK SIG VAR/ FUNC FUSE WHT WIRE WHT/PPL WIRE YEL WIRE YEL/GRN WIRE YEL/PPL WIRE

AJAR AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLK/GRN WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/YEL WIRE BUS 3 BUS 4 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HVAC CONTROL MODULE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LF DR AJAR LOGIC DRIVER WINDOW MOTOR MODULE LOGIC DRIVER WINDOW SWITCH LOW REF LR DR AJAR NETWORK NETWORK BUS 3 PASS DR PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH LOGIC PPL RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH LOGIC RR DR AJAR STATUS SIG SW SIG UNLOCK SIG WHT/PPL WIRE

BLK WIRE BRN/GRN WIRE BRN/YEL WIRE BUS 3 BUS 4 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN SER DATA (-) (2) GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LOGIC LOGIC PASSENGER WINDOW SWITCH LOGIC RIGHT REAR WINDOW SWITCH LR DR AJAR NETWORK NETWORK BUS 4 PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PEPS FUSE PPL PPL/GRN WIRE REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG SECURITY IND SW SIG UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE WHT/GRN WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/PPL WIRE BRN/WHT WIRE DRL FUSE DRL/LT FUSE FOG/LMP/FRT FUSE FRONT FOG LAMP RELAY FUSE 6 GMC GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI/BEAM/ LT FUSE HI/BEAM/ RT FUSE HOT AT ALL TIMES LEFT FRONT FOG LAMP LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY (W/LED) LEFT HEADLAMP BALLAST LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP NCA WIRE PPL/GRY WIRE RED WIRE RIGHT FRONT FOG LAMP UNDERHOOD FUSE BLOCK W/ HID W/ HID W/LED WHT WIRE WHT/BRN WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOME OFF IND DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY GARAGE DOOR OPENER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HEATED STEERING WHEEL SWITCH LED INTERIOR LIFTGATE CONTROL SWITCH KEYPAD GREEN KEYPAD RED WIRE LED CONTROL LEFT STEERING WHEEL CONTROLS SWITCH LIN SERIAL DATA BUS 3 LOGIC NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PPL RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE WHT WIRE WHT/PPL WIRE YEL WIRE

AWD IND BLK WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER SEAT HEATING SWITCH FORWARD COLLISION IND FRONT VIEW CAMERA WINDSHIELD GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) (3) INFO DISPLAY MODULE INSTRUMENT CLUSTER LEFT REAR WINDOW SWITCH LIN SERIAL DATA BUS 3 LIN SERIAL DATA BUS 4 LO SPD GMLAN SERIAL DATA 2 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 15 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 LOCAL INTERCONNECT SERIAL DATA BUS 10 LOGIC PASSENGER SEAT HEATING SWITCH PASSENGER WINDOW SWITCH PPL/WHT WIRE RADIO RADIO CONTROLS RADIO KEYPAD BUTTON SIGNAL REAR DIFFERENTIAL CLUTCH CONTROL MODULE RIGHT REAR WINDOW SWITCH TRANSMISSION RANGE SELECTOR CONTROLS TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE YEL 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