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

ACCESSORY WAKEUP SERIAL DATA ANALOG SIG 1 ANALOG SIG 2 BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE LIN BUS 1 GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 (PINS: 39 TO 48 NOT USED) 49 HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA 2 LOGIC OUT SPD SIG PARK LOCK SOL CTRL PARK SW 2 SIG PARK SW SIG RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT SIG GND SURGE ACCUMULATOR SOLENOID VALVE LOW SIDE CONTROL TCC/CLUTCH SOL CTRL TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRV 1 SIG TRANS HI SIDE DRV 2 SIG TRANS INTERMEDIATE SPD SIG TRANS LEVEL TEMP SENS TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (LEFT SIDE OF TRANSMISSION) TRANSMISSION FLUID TEMPERATURE SENSOR LOW REFERENCE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE 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 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/VIO 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 RED/GRN WIRE TOP OF TRANSMISSION) 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 VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE 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

BACK SWITCH BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRIVER SEAT HEATING SWITCH DRV HEATED BACK NTC SIG DRV HEATED SEAT ELEMENT CTRL DRV HEATED SEAT ELEMENT LO REF DRV HEATED SEAT NTC LO REF DRV HEATED SEAT NTC SIG DRV SEAT VENT MOTOR CTRL 1 FRONT SEAT HEATING CONTROL MODULE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT N/W SERIAL DATA BUS 2 LOW TEMP IND MED TEMP IND NCA WIRE PASS HEATED BACK NTC LO REF PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT CTRL PASS HEATED SEAT ELEMENT LO REF PASS HEATED SEAT NTC LO REF PASS HEATED SEAT NTC SIG PASS SEAT VENT MOTOR CTRL 1 RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BACK SWITCH BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRV SEAT VENT MOTOR CTRL 1 GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT ILL LEFT "C" PILLAR) LOGIC LOW TEMP IND MED TEMP IND NCA WIRE PASS SEAT VENT MOTOR CTRL 1 PASSENGER BACK SEAT BLOWER MOTOR PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER SEAT HEATING SWITCH RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BACKLIGHT LOW REF BACKLIGHT LOW REF DIMMING CTRL BACKUP LAMP CTRL BATT POS VOLT BATTERY FUSE BLOCK BK LVDS INFOTAINMENT DISPLAY SIG BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POS SENS REPLICATED SIG GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPD GMLAN SERIAL DATA 2 LR SPEAKER (+) CTRL LR SPEAKER SIG (-) LVDS NAVIGATION DISPLAY DIMMING CTRL POWER SUPPLY TRANSFORMER RADIO RADIO KEYPAD BUTTON SIG RADIO VOLUME UP SIG RADIO KEYPAD DIMMING CTRL RADIO KEYPAD POWER SIG RADIO KEYPAD VOLT REF RADIO VOLUME DOWN SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE REGULATED CTRL RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPEAKER (+) CTRL RR SPEAKER SIG (-) TOUCH INTERRUPT REQ SIG VIO/BLU WIRE VIO/WHT WIRE W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SW SIG DRIVER INFORMATION CENTER DISPLAY FRT PARKING LEFT/RIGHT/MID SENS FRT PARKING LT MID SENS FRT PARKING RT CORNER SENS FRT PARKING RT MID SENS FRT PARKING SENS LOW REF GMLAN SER DATA (+) 2 GND GMLAN SER DATA (-) (2) GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LED DISABLE SIG LEFT "C" PILLAR) LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT REAR MIDDLE PARKING ASSIST SENSOR LEFT REAR OUTER PARKING ASSIST SENSOR LF SUPP OBJECT SENS SIG FRT PARKING LT CORNER SENS LO SPD GMLAN SER DATA LOGIC LR CORNER OBJECT SENS SIG LR MIDDLE OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE (RIGHT SIDE OF LUGGAGE AREA) PARKING ASSIST DISABLE SWITCH PARKING ASSIST IND PARKING ASSIST ON/OFF SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) REAR PARK ASSIST DIS SIG RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RF SUPP OBJECTSENS SIG RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER PARKING ASSIST SENSOR RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT REAR MIDDLE PARKING ASSIST SENSOR RIGHT REAR OUTER PARKING ASSIST SENSOR RR CORNER OBJECT SENS SIG RR MIDDLE OBJECT SENS SIG VIO/GRY WIRE VIO/WHT WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

ANT SIG HI ANT SIG LO BLK WIRE BLU WIRE BRN/GRN WIRE BRN/YEL WIRE DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE KEYLESS ENTRY CONTROL MODULE (BEHIND LOWER RIGHT REAR TRIM PANEL) LEFT REAR EXTERIOR DOOR HANDLE SWITCH LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LR DR HANDLE SW SIG NCA WIRE PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH RED WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR HANDLE SW SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/GRN WIRE YEL/GRY WIRE

AWD IND AWD INDICATOR CTRL AWD POWER TRANSFER MTR AWD POWER TRANSFER MTR CTRL A BATTERY POSITIVE VOLT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP (ON REAR DIFFERENTIAL) DRIVE MODE SELECT SWITCH GRN/BRN WIRE GRY/GRN WIRE HI SPD GMLAN DATA BUS (+) 1 BATTERY POSITIVE VOLT HI SPD GMLAN DATA BUS (+) 1 GND HI SPD GMLAN DATA BUS (+) 2 HI SPD GMLAN DATA BUS (-) 1 HOT AT ALL TIMES INDICATOR DIMMING CTRL LOW VOLT POWER TRANSFER UNIT SHIFT ACTUATOR REAR BODY FUSE BLOCK REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR DIFFERENTIAL CLUTCH SOLENOID VALVE REAR DIFFERENTIAL CLUTCH SOLENOID VLV 1 LOW REAR DIFFERENTIAL CLUTCH REAR DIFFERENTIAL CLUTCH SOLENOID VLV 2 LOW RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SENS SIG SENS VOLT REF SERIAL DATA COMM ENABLE SIG (1) SIG 3 SOLENOID VLV HI SPLY VOLT U PHASE V PHASE VIO WIRE VIO/BRN WIRE VIO/WHT WIRE W PHASE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/ORG WIRE WHT/RED WIRE