GMC Terrain II (2017-2021) nca Wiring diagrams

AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN/GRY WIRE GRN/PPL WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) (3) IGN MODE SW MODE CTRL BACKUP IMS MODE SW LO REF NCA WIRE PPL PPL/BLK WIRE PPL/WHT WIRE PPL/YEL WIRE RED/GRN WIRE TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/ INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK VALVE POSITION SWITCH W/ ETRS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLU WIRE BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE NCA WIRE PPL PPL/BLK WIRE RED/GRN WIRE TRANSMISSION CONTROL SOLENOID VALVE 1 TRANSMISSION CONTROL SOLENOID VALVE 10 TRANSMISSION CONTROL SOLENOID VALVE 2 TRANSMISSION CONTROL SOLENOID VALVE 3 TRANSMISSION CONTROL SOLENOID VALVE 4 TRANSMISSION CONTROL SOLENOID VALVE 5 TRANSMISSION CONTROL SOLENOID VALVE 6 TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION CONTROL SOLENOID VALVE 9 TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR TRANSMISSION RANGE CONTROL VALVE 1 POSITION SWITCH TRANSMISSION RANGE CONTROL VALVE 2 POSITION SWITCH W/ ETRS W/O ETRS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE CENTER CONSOLE COMPARTMENT LAMP CENTER CONSOLE CUPHOLDER ACCENT LAMP CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER DOOR ACCENT LAMP DRIVER DOOR HANDLE ACCENT LAMP FRONT OVERHEAD CONSOLE ASSEMBLY GMC GRN/BRN WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE LEFT REAR DOME/ READING LAMPS LIFT GATE SHUT FACE SW LED CTRL LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 18 NCA WIRE PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE ACCENT LAMP RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT REAR DOME/ READING LAMPS W/ INTERIOR LAMP PACKAGE WHT/BRN WIRE WHT/YEL WIRE

6 SPEED A/T ACCELERATOR PEDAL POSITION SENSOR AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA (-) 8 FRONTVIEW CAMERA - WINDSHIELD GMLAN GMLAN SERIAL DATA - 1 GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD INPUT SPD SIG LOGIC LOW SIG NCA WIRE OUTPUT SPD SIG SER SERIAL DATA (-) (1) SIG HIGH SIG LOW SIG OUTPUT TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/ INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSIONS SYSTEM W/ ETRS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

6 SPEED A/T ACCELERATOR PEDAL POSITION SENSOR AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA - 1 GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE INPUT SPD SIG LOGIC LOW SIG NCA WIRE OUTPUT SPD SIG SERIAL DATA (-) (1) SIG HIGH SIG LOW SIG OUTPUT TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/ INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSIONS SYSTEM W/ ETRS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT 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

2.0L TURBO, 1.5L TURBO 1.6L AMBIENT LIGHT/ SUNLOAD SENSOR BCM 8 FUSE BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HOOD OPEN SW SIG HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LF DR AJAR LOGIC DRIVER WINDOW MOTOR MODULE LOGIC DRIVER WINDOW SWITCH LOW REF NCA WIRE NETWORK NETWORK BUS 3 PPL RED/BRN WIRE RED/WHT WIRE SERIAL DATA (+) (3) STATUS SIG SW SIG UNLOCK SIG WHT WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/YEL WIRE YEL 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

1.6L TURBO DIESEL 2.0L TURBO AUTOMATIC TRANSMISSION ASSEMBLY (1.5L TURBO, 1.6L TURBO DIESEL) AUTOMATIC TRANSMISSION ASSEMBLY (2.0L TURBO) BATT POS VOLT BATTERY FUSE BLOCK BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS LOW REF BRK POS SENS SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA 1 (+) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 3 GRN/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IMS MODE SW LOW REF INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE/COLUMN LOCK SHIFT POS SIG NCA WIRE PARK LOCK SOL CTRL PARK POSITION SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LOWER CENTER OF DASH) PPL/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE SERIAL SPLY VOLT 2 SPLY VOLT 2 BATT POS VOLT SW MODE CTRL SW MODE CTRL BACKUP TRANS PARK/ NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR W/O START/STOP SYSTEM W/ START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLU WIRE