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

BATT POS VOLT BATT POSITIVE VOLT BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/PPL WIRE BLK/WHT WIRE BLU WIRE BLU/PPL WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS CTRL CURRENT SENS LOW REF CURRENT SENS SIG DRIVER INFORMATION CENTER DISPLAY ECM FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 5 FUSE 6 FUSE 7 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRY WIRE GRY/GRN WIRE HI SPD GMLAN SRL DATA (-) (1) INSTRUMENT CLUSTER LO SPD GMLAN LOGIC RED WIRE RED/BRN WIRE RED/WHT WIRE SERIAL DATA 2 SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/YEL WIRE

1.6L TURBO DIESEL 2.0L TURBO, 1.5L TURBO BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ECM FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 5 FUSE 6 FUSE 7 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRN/PPL WIRE GRY WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LO SPD GMLAN LOGIC RED WIRE RED/BRN WIRE RED/WHT WIRE SERIAL DATA 2 SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK WHT WIRE

BLK WIRE BLU/PPL WIRE BLU/YEL WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR GRN/BLU WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK PWR SEAT FUSE RED/BRN WIRE RWD UP DN YEL WIRE YEL/BLU WIRE

BATT POS VOLT BCM 8 FUSE BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM DISPLAY INFORMATION CENTER DISPLAY GRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LG LATCH FUSE LIFT GLASS/REAR COMPARTMENT LID LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LIFTGATE UNLATCH RELAY LIFTGATE UNLATCH SWITCH LOGIC LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 PPL/GRY WIRE REAR CLOSURE HANDLE SW OPEN SIG RED/BLU WIRE RED/BRN WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE CELL COAX COMPUTER DATA LINES SYSTEM DOWN ETHERNET BUS 4 (-) GRN/ORG WIRE GRY WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPD GMLAN LEFT LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF MICROPHONE (-) LOW REF MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BLU WIRE RED/BRN WIRE REF RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SEL SERIAL DATA (-) 9 SIG STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEPHONE VOICE LOW REF VOICE SIGNAL VOL (-) W/ ONSTAR W/O ONSTAR WHT WIRE WHT/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE CELL COAX COMPUTER DATA LINES SYSTEM DOWN ETHERNET BUS 4 (-) GRN/ORG WIRE GRY WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPD GMLAN LEFT LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF MICROPHONE (-) LOW REF MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE REF RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SEL SERIAL DATA (-) 9 SIG STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEPHONE VOICE LOW REF VOICE SIGNAL VOL (-) W/ ONSTAR W/O ONSTAR WHT WIRE WHT/GRN WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU/PPL WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HIGH HEAT IND HOT AT ALL TIMES ILL LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR SEAT HEATING SWITCH LOW HEAT IND LR CUSHION NTC LO REF LR CUSHION NTC SIG LR HTD SEAT CUSHION ELEMENT LO REF LR HTD SEAT ELEMENT CTRL LR HTD SEAT CUSHION ELEMENT CTRL BATT POS VOLT LR SEAT BACK NTC LO REF LR SEAT BACK NTC SIG MED HEAT IND NCA WIRE PPL/BLK WIRE REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR SEAT HEATING SWITCH RR CUSHION NTC LO REF RR CUSHION NTC SIG RR HTD SEAT CUSHION ELEMENT LO REF RR HTD SEAT ELEMENT CTRL RR HTD SEAT CUSHION ELEMENT CTRL RR HTD/ SEAT 1 FUSE RR HTD/ SEAT 2 FUSE RR SEAT BACK NTC LO REF RR SEAT BACK NTC SIG SEAT BACK SWITCH SEAT CUSHION, BACK SWITCH SERIAL DATA BUS 2 WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AIR BAG IND AUTOMATIC LOCKING RETRACTOR SW LOW REF AUTOMATIC LOCKING RETRACTOR SW SIG BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRY/GRN WIRE GRY/ORG WIRE HI SPEED GMLAN SERIAL DATA (+) (2) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LINES SYSTEM LO SPD LO SPD GMLAN SERIAL DATA LOGIC LOW SPEED GMLAN SERIAL DATA NCA WIRE OCC SENS FUSE ORG/BRN WIRE ORG/GRN WIRE ORG/PPL WIRE ORG/WHT WIRE PASS AIR BAG OFF INDICATOR CTRL PASS AIR BAG ON INDICATOR CTRL PASS IP MOD STAGE 1 HI CTRL PASS IP MOD STAGE 1 LO CTRL PASS IP MOD STAGE 2 HI CTRL PASS IP MOD STAGE 2 LO CTRL PASS SEAT BELT INDICATOR CTRL PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE MODULE PASSENGER SEAT BELT TENSION SENSOR PNK WIRE RED/BRN WIRE RED/GRN WIRE SDM FUSE SEAT BELT IND SERIAL SERIAL DATA COMMUNICATION ENABLE SHORTING BAR SIG GND SIG GROUND STEERING WHEEL AIR BAG (IN STEERING WHEEL) STEERING WHEEL AIR BAG COIL STEERING WHEEL MOD STAGE 1 HI CTRL STEERING WHEEL MOD STAGE 1 LO CTRL STEERING WHEEL MOD STAGE 2 HI CTRL STEERING WHEEL MOD STAGE 2 LO CTRL TAN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE

B+ VOLT BATT POS VOLT BCM 4 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 PPL RAIN/AMBIENT LIGHT SENSOR MODULE REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLK/GRY WIRE BLU WIRE BLU/PPL WIRE BRN/BLU WIRE BRN/GRY WIRE DELAY SWITCH GRN/WHT WIRE GRY WIRE GRY/PPL WIRE HI LO HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK MIST OFF INT OSRVM FUSE PPL REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY REAR WIPER/WASHER SWITCH RED/BRN WIRE RR/WPR FUSE UNDERHOOD FUSE BLOCK WASH/PUMP FUSE WASHER SWITCH WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER SWITCH WINDSHIELD WIPER/WASHER SWITCH YEL WIRE YEL/BLU WIRE