GMC Terrain II facelift (2021-2024) except california Wiring diagrams

6 SPEED A/T ACCY WAKEUP SER DATA BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE EXCEPT CALIFORNIA GRN WIRE GRN/VIO WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 3 HI SPD GMLAN SER DATA (-) 7 LIN BUS 1 VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ADAPTIVE CRUISE IND ADAPTIVE CRUISE SWITCH APP POS SIG 1 APP SIG (2) BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS LOW REF BRK POS SENS SIG BRN/BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CANCEL SWITCH CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM CRUISE IND CRUISE/ETC/TCC BRAKE SIG DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM EXCEPT CALIFORNIA FORWARD COLLISION ALERT WARNING SWITCH GAP UP/DOWN SW SIG GMLAN GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA (-) 7 BATT POS VOLT GRN/WHT WIRE GROUND GRY/GRN WIRE HOT ALL ALL TIMES HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO SPD LOGIC LOW REF LOW REF (1) LOW REF 2 RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RES+ SER SERIAL DATA (-) (1) SET- SET/COAST/RESUME/ ACCELERATE SW SIG STEERING WHEEL AIR BAG COIL THROTTLE ACTR CTRL CLOSE THROTTLE ACTR CTRL OPEN THROTTLE POSITION SENS 5 VOLT REF THROTTLE POSITION SENS LOW REF THROTTLE POSITION SENS SENT 1 SIG UNDERHOOD FUSE BLOCK W/ FORWARD COLLISION ALERT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

6 SPEED A/T ACCELERATOR PEDAL POSITION SENSOR AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO 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 DATA (-) 8 EXCEPT CALIFORNIA GMLAN GMLAN SERIAL DATA - 1 GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD INPUT SP SIG INPUT SPD SIG LOGIC NCA WIRE OUTPUT SP SIG OUTPUT SPD SIG SENS REF SER SERIAL DATA (-) (1) 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

ADAPTIVE CRUISE IND ADAPTIVE CRUISE SWITCH APP POS SIG 1 APP SIG (2) BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS LOW REF BRK POS SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE IND CRUISE/ETC/TCC BRAKE SIG DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM EXCEPT CALIFORNIA FORWARD COLLISION ALERT WARNING SWITCH GAP UP/DOWN SW SIG GMLAN GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA (-) 7 BATT POS VOLT GP UP/DOWN SWITCH GRN WIRE GRN/WHT WIRE GROUND GRY/GRN WIRE HOT ALL ALL TIMES HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO SPD LOGIC LOW REF LOW REF (1) LOW REF 2 RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RES+ SER SERIAL DATA (-) (1) SET- SET/COAST/RESUME/ ACCELERATE SW SIG STEERING WHEEL AIR BAG COIL THROTTLE ACTR CTRL CLOSE THROTTLE ACTR CTRL OPEN THROTTLE POSITION SENS 5 VOLT REF THROTTLE POSITION SENS LOW REF THROTTLE POSITION SENS SENT 1 SIG UNDERHOOD FUSE BLOCK W/ FORWARD COLLISION ALERT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

6 SPEED A/T ACCELERATOR PEDAL POSITION SENSOR AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO 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 EXCEPT CALIFORNIA 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

"CHECK ENGINE" IND CTRL AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SENSOR EXCEPT CALIFORNIA FUEL LEVEL SENSOR FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA (+) 7 AIR TEMPERATURE SENS SIG GRN/GRY WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (+) 7 LOGIC LOW REF LOW REF 2 NETWORK BUS 4 OIL PRESSURE SEN LOW REF OIL PRESSURE SENS SIG PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEC FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SENS 2 LOW REF UNDERHOOD FUSE BLOCK WHT WIRE WHT/RED WIRE YEL/BRN WIRE

BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BODY CONTROL MODULE BRN WIRE COOLING FAN MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE EXCEPT CALIFORNIA FRONT FOG LAMP RELAY FRONT SEAT HEATING CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GENERATOR HORN RELAY LEFT HEADLAMP RELAY NCA WIRE POWER STEERING CONTROL MODULE REAR DEFOGGER RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT HEADLAMP RELAY STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO IGNITION MAIN RELAY (DIAGRAM 2 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 9) TO POWER SUPPLY TRANSFORMER (DIAGRAM 3 OF 9) TO REAR BODY FUSE BLOCK (DIAGRAM 5 OF 9) W/ START/STOP SYSTEM W/O START/STOP SYSTEM