GMC Terrain II (2017-2021) volt Wiring diagrams

5 VOLT REF A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AUXILIARY HEATER CTRL BATT POS BATT POS VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR BRN/GRN WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY DSP HMI FUSE ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FUSE 3 FUSE 4 FUSE 6 GRN WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC BLWR FUSE HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA LOWER RIGHT FRONT OF ENGINE) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRN WIRE REAR DEFOG RLY CTRL RED WIRE 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 SPD CTRL TEMP SENS LOW REF UNDERHOOD FUSE BLOCK VAR/FUNC FUSE VIO WIRE VOLT W/ START/STOP SYSTEM W/O START/STOP SYSTEM WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE

1.5L TURBO, 2.0L TURBO 1.6L TURBO DIESEL 5 VOLT REF A/C PRESS AMBIENT LIGHT/SUNLOAD SENSOR ANTI-THEFT SYSTEM BATT POS BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP COOLING FAN COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) CTRL RLY SIG DATA (-) (3) ENG COOLANT ENGINE CONTROLS SYSTEM FUSE SPLY 1 GMLAN SERIAL GRN WIRE GRN/PPL WIRE GRY WIRE HEADLIGHTS SYSTEM HTR RLY CTRL J110 (1.5L TURBO, 2.0L TURBO) LOGIC LOW REF 2 MAIN RLY PPL/BLU WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/WHT WIRE SENS 2 LO REF SENS LO REF SENS SIG SPD SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE

1.6L TURBO DIESEL A/C PRESS SENS SIG AMBIENT AIR TEMPERATURE SENSOR BATT POS BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SENS 2 LO REF COOLING FAN CTRL RLY SIG COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) ECM FUSE ENG COOLANT TEMP SENS SIG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR FUSE 4 GMLAN SERIAL DATA (-) 3 GRN/PPL WIRE HOT AT ALL TIMES J110 (1.5L TURBO, 2.0L TURBO) J122 (1.5L TURBO, 2.0L TURBO) LOGIC LOW REF 2 RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/WHT WIRE SENS LO REF SPD SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE BATT POS 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 BLWR MTR BRN/GRN WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY DSP HMI FUSE ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FUSE 3 GRN WIRE GRN/YEL WIRE GROUND 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 BLWR FUSE HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA LOWER RIGHT FRONT OF ENGINE) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRN WIRE REAR DEFOG RLY CTRL RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE REGULATED CTRL RUN/CRANK IGNITION 1 VOLT SOLAR SENS DRV SIG SOLAR SENS LOW REF SPD CTRL UNDERHOOD FUSE BLOCK VAR/FUNC FUSE VOLT W/ START/STOP SYSTEM W/O START/STOP SYSTEM

5 VOLT REF A/C PRESS AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) ANTI-THEFT SYSTEM BATT POS BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) CTRL RLY SIG DATA (-) (3) ENG COOLANT ENGINE CONTROLS SYSTEM FUSE SPLY 1 GMLAN SERIAL GRN WIRE GRY WIRE HEADLIGHTS SYSTEM LOGIC LOW REF 2 MAIN RLY PPL/BLU WIRE RED/BLU WIRE RED/WHT WIRE SENS LO REF SENS SIG SPD SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE

BATT POS BATT POS VOLT BK BU COAX AM/FM BLK WIRE BUS 10 BUS 5 COAX COAX CU HD/XM COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY ETHERNET BUS 4 (-) GMLAN SERIAL GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE (CENTER OF DASH) LOGIC LVDS LVDS GY NAVIGATION DISPLAY SIG RADIO RED/BLU WIRE RED/BRN WIRE SERIAL DATA USB USB BU USB SERIAL DATA USB RECEPTACLE USB SERIAL VOLT W/ ONSTAR W/O ONSTAR W/O ELECTRONIC TRANS RANGE SELECT W/ ELECTRONIC TRANS RANGE SELECT YEL WIRE

BATT POS BATT POS VOLT BK BU COAX AM/FM BLK WIRE BRN/BLK WIRE BUS 10 BUS 5 COAX COAX CU HD/XM COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) GMLAN SERIAL GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE (CENTER OF DASH) LOGIC LVDS LVDS GY NAVIGATION DISPLAY SIG RADIO RED/BLU WIRE RED/BRN WIRE SERIAL DATA USB USB BK USB SERIAL DATA USB RECEPTACLE USB SERIAL VOLT W/ ONSTAR W/O ONSTAR W/O ELECTRONIC TRANS RANGE SELECT W/ ELECTRONIC TRANS RANGE SELECT YEL WIRE

BATT POS BK COAX AM/FM BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE CAMERA SIGNAL 2 COAX DATA ETHERNET BUS 4 (-) GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LOGIC MIC (-) LOW REF MIC SIG MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG NAVIGATION SYSTEM PPL/BLU WIRE RADIO RED WIRE RED/BRN WIRE RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE USB USB GY USB SERIAL DATA USB SERIAL VOLT W/O S-BAND DIGITAL AUDIO SYSTEM WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

BATT POS BATT POS VOLT BK BU COAX AM/FM BLK WIRE BUS 10 BUS 5 COAX COAX CU HD/XM COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY ETHERNET BUS 4 (-) GMLAN SERIAL GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE (CENTER OF DASH) LOGIC LVDS LVDS GY NAVIGATION DISPLAY SIG RADIO RED/BLU WIRE RED/BRN WIRE SERIAL DATA USB USB BU USB SERIAL DATA USB RECEPTACLE USB SERIAL VOLT W/ ONSTAR W/O ONSTAR W/O ELECTRONIC TRANS RANGE SELECT W/ ELECTRONIC TRANS RANGE SELECT YEL WIRE

BATT POS BATT POS VOLT BK BU COAX AM/FM BLK WIRE BRN/BLK WIRE BUS 10 BUS 5 COAX COAX CU HD/XM COMPUTER DATA LINES SYSTEM DATA DATA 2 (+) DISPLAY ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) GMLAN SERIAL GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE (CENTER OF DASH) LOGIC LVDS LVDS GY NAVIGATION DISPLAY SIG RADIO RED/BLU WIRE RED/BRN WIRE SERIAL DATA USB USB BK USB SERIAL DATA USB RECEPTACLE USB SERIAL VOLT W/ ONSTAR W/O ONSTAR W/O ELECTRONIC TRANS RANGE SELECT W/ ELECTRONIC TRANS RANGE SELECT YEL WIRE