GMC Terrain II facelift (2021-2024) wht Wiring diagrams

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE PRESSURE MODULATOR BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/VIO WIRE RED/WHT WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

ABS IND. ABS/TCS HILL DESCENT CTRL SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION BRAKE POSITION SENS SIG BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM CONTROL IND CRUISE CRUISE CONTROL SWITCH DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER LOGIC NCA WIRE RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BACKUP BACKUP LP CTRL BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) CHEVROLET COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GMC GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LIN SER DATA BUS 2 LOGIC LP CTRL NCA WIRE RADIO RAP RLY COIL CTRL RED WIRE RED/BRN WIRE RED/GRY WIRE REVERSE IND RIGHT BACKUP LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY TRANS PARK/ NEUTRAL SIG 1 TRANS POS SW BIT 2 SIG TRANS POS SW BIT 3 SIG TRANS POS SW PARITY BIT SIG TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRN/GRN WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HAZ SW LH TURN SIG HAZ SW RH TURN SIG HAZ WARNING IND LED DIMMING SIG HAZARD WARNING SWITCH HAZARD WARNING SWITCH SIGNAL HDLP SW PARK LP SIG HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT PARK LAMP LEFT FRONT TURN SIGNAL LAMP LEFT FRONT TURN SIGNAL LAMP CTRL LEFT HEADLAMP ASSEMBLY LEFT PARK LAMP CTRL 2 LEFT REAR STOP/TURN SIG LAMP CTRL LEFT STOP/TAIL LAMP FEEDBACK SIG PARK LAMP RELAY CONTROL REAR LICENSE PLATE LAMP CTRL RED/BLU WIRE RED/GRN WIRE RIGHT FRONT TURN SIGNAL LAMP CTRL RIGHT PARK LAMP CTRL 2 RIGHT REAR STOP/TURN SIG LAMP CTRL RIGHT STOP/TAIL LAMP FEEDBACK SIG STOP LAMP RELAY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTO HEAD PARK OFF BACKUP LAMPS CIRCUIT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POS SENS SIG BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE CTRL ENGINE CTRL VEHICLE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM HEADLAMP SWITCH HI SPD GMLAN LEFT BACKUP LAMP LEFT INNER TAIL- LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LEFT OUTER TAIL LAMP LEFT REAR SIDE MARKER LAMP LEFT STOP/ TURN SIGNAL LAMP LEFT STOP/TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LOGIC NCA WIRE SENS 5 VOLT REF 1 SENS LOW REF (2) SER DATA (-) 7 VIO WIRE VIO/GRY WIRE W/O 360 VIEW VISION WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

& RECEIVER ACTR LOCK CTRL ACTR UNLCK CTRL BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/VIO 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 (+) 1 RECEIVE SIG GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD OPEN SW SIG HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM INSTRUMENT CLUSTER 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 POWER DISTRIBUTION SYSTEM RCV SIG RECEIVER CTRL REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO BEAM CTRL SEC IND CTRL SECURITY IND SERIAL DATA (+) (3) TRANS SIG UNLCK SIG VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

& RECEIVER ACC IGN VOLT ACTR LOCK CTRL ACTR UNLCK CTRL BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM CTRL DR LOCK CTRL DRIVER DOOR LOCK SWITCH DRV DR OPEN SW SIG IGNITION MODE SWITCH CHALLENGE ACTIVE SIG GMLAN SER DATA GMLAN SER DATA (+) 1 SEC IND CTRL GMLAN SER DATA - (1) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI INTR ANT SIG 1 HI INTR ANT SIG 2 HI INTR ANT SIG 3 HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN 1 VOLT IGNITION MODE SWITCH IGNITION MODE SWITCH CHALLENGE ACTIVE SIG INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LH HDLP LO BEAM CTRL LOCK SIG LOW INTR ANT SIG 1 LOW INTR ANT SIG 2 LOW INTR ANT SIG 3 LOW REF PASS DOOR LOCK SW LOCK CTRL PASS DOOR LOCK SW UNLOCK CTRL PASSENGER DOOR LOCK SWITCH POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL RCV SIG RECEIVE SIG RECEIVER CTRL RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO BEAM CTRL SW SIG 2 TRANS SIG UNLCK SIG VIO WIRE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUEL FILLER DOOR LOCK ACTUATOR GRN WIRE GRN/YEL WIRE GROUND GRY WIRE HOOD OPEN SW SIG HVAC CONTROL MODULE LF DR AJAR LOGIC LOW REF NCA WIRE NETWORK NETWORK BUS 3 SERIAL DATA (+) (3) STATUS SIG SW SIG UNLOCK SIG VIO WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BUS 1 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HIGH SPEED GMLAN HOOD OPEN HOOD STATUS B SIG IMMOBILIZER CONTROL MODULE (UNDER CENTER CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LIN IMMOBILIZER LIN BUS 1 IMMOBILIZER LOW REF INSTRUMENT CLUSTER LOGIC NCA WIRE SERIAL DATA (-) (1) SW SIG WHT WIRE YEL WIRE

BACKUP RLY CTRL BATT POS VOLT BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GRN/GRY WIRE GRN/VIO WIRE GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT "C" PILLAR) LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LH RR TURN SIG LP CTRL RH RR TURN SIG LP CTRL RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER BRK APPLY SIG TRAILER CONNECTOR (W/ TRAILER BRAKE PROVISIONS) (UNDER CENTER REAR OF VEHICLE) TRAILER CONNECTOR (W/O TRAILER BRAKE PROVISIONS) (UNDER CENTER REAR OF VEHICLE) UNDERHOOD FUSE BLOCK W/ TRAILER BRAKE PROVISIONS W/O TRAILER BRAKE PROVISIONS WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRY WIRE