GMC Terrain II facelift (2021-2024) instrument cluster Wiring diagrams

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR BLK WIRE BLU WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ETHERNET BUS 7 (-) FRONT OF RADIATOR) GRN/VIO WIRE GROUND GRY/BLU WIRE HIGH SPEED GMLAN SERIAL DATA + (1) HIGH SPEED GMLAN SERIAL DATA - (1) HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LIN BUS 1 LOGIC UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE A/C COMPRESSOR SOLENOID VALVE CTRL BATT POS VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (TOP CENTER OF DASH) INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LOGIC LOW SPEED GMLAN SERIAL DATA LOWER RIGHT FRONT OF ENGINE) NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) REAR DEFOG RLY CTRL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE REGULATED CTRL RUN/CRANK IGNITION 1 VOLT SOLAR SENS DRV SIG SOLAR SENS LOW REF UNDERHOOD FUSE BLOCK VIO/GRN WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR

BATT POS VOLT BATT POSITIVE VOLT BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRN/VIO WIRE 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

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) GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRN/VIO 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

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

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

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE CRUISE IND AFL IND AIR BAG IND BATT POS VOLT BATT POSITIVE VOLT BATTERY FUSE BLOCK BK USB BLK WIRE BRAKE IND BRN/BLU WIRE BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DOWN DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL LEVEL IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GRN/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH BEAM IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 INSTRUMENT PANEL FUSE BLOCK LANE KEEPING ASSIST IND LEFT LEFT TURN IND LIGHTS ON IND LOGIC LOW FUEL IND LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL MALFUNCTION IND NAVIGATION SYSTEM PARK BRAKE IND PARK LAMPS IND POWER STEERING IND POWER SUPPLY TRANSFORMER REAR FOG LAMP IND RED/BRN WIRE RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL REGULATED CTRL RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT TURN IND SEAT BELT IND SEAT BELT IND 2 SECURITY IND SEEK DOWN SEEK UP SERVICE PARK BRAKE IND SPEEDOMETER TACHOMETER TRACTION OFF IND UNDERHOOD FUSE BLOCK USB USB DRIVE DATA CONNECTOR USB SERIAL DATA VEHICLE AHEAD IND VIO WIRE VIO/GRN WIRE VOL - VOL + SEL VSC IND VSC OFF IND W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/GRN WIRE WIPER/ WASHER SYSTEM

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY DRV SOLAR SENS SIG ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (TOP CENTER OF DASH) INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LOGIC LOW SPEED GMLAN SERIAL DATA POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) REAR DEFOG RLY CTRL RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RUN/CRANK IGNITION 1 VOLT SOLAR SENS LOW REF SOLENOID VALVE CTRL UNDERHOOD FUSE BLOCK VIO/GRN WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM

B+ VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (1) PARK BRK RELEASE SW VOLT REF HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 SER DATA COMM ENABLE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LH PARK BRK MTR APPLY CTRL LIN SERIAL DATA BUS 2 LOGIC PARK BRAKE APPLY SW VOLT REF PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK IND RED/VIO WIRE RED/WHT WIRE RH PARK BRAKE MOTOR LOW REF LH PARK BRK MTR LOW REF RH PARK BRK MTR APPLY CTRL RIGHT PARK BRAKE ACTUATOR SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER WINDOW MOTOR MODULE DRV SEAT BELT DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE HDLP SW OFF SIG CTRL HDLP SW ON SIG CTRL HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 BATTERY POSITIVE VOLT HI SPEED GMLAN HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 2 LOGIC LOW TIRE PRESSURE IND LR DR AJAR SW SIG NCA WIRE NETWORK BUS 3 NETWORK BUS 4 OFF AUTO ORG/BRN WIRE PARK 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 PARK BRAKE SWITCH PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RADIO RED/BLU WIRE RED/VIO WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND SERIAL DATA 2 SW LOW REF UNDERHOOD FUSE BLOCK W/ ELECTRONIC TRANS RANGE SELECTOR SYSTEM W/O ELECTRONIC TRANS RANGE SELECTOR SYSTEM WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE