GMC Terrain II facelift (2021-2024) ign 1 volt Wiring diagrams

& 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

BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DATA 2 (+) ELECTRONIC BRAKE CONTROL MODULE FRONT FOG LAMP IND GMLAN SERIAL GROUND GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LO SPD LOGIC PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOL REF PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOL PARK BRAKE SWITCH PARK LIGHTS IND RED/VIO WIRE RED/WHT WIRE RIGHT FRONT FOG LAMP UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE YEL WIRE YEL/RED 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

12 VOLT REF ALERT LED CTRL BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE CHEVROLET COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DIMMING CTRL DRIVE MODE SELECT SWITCH DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT MEMORY CONTROL MODULE FORWARD COLLISION ALERT LED CTRL FORWARD COLLISION ALERT WARNING SWITCH GMC GRN WIRE GRN/WHT WIRE GROUND GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT "C" PILLAR) LEFT STEERING WHEEL CONTROLS SWITCH LOCAL INTERCONNECT NETWORK BUS 8 LOGIC LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 LR HAPTIC SEAT MOTOR CTRL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) RED WIRE RED/GRN WIRE RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL RR HAPTIC SEAT MOTOR CTRL SERIAL DATA COMM ENABLE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VIO/GRN WIRE W/ FORWARD COLLISION ALERT W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA (TOP CENTER OF WINDSHIELD) YEL/BRN WIRE

A/C COMPRESSOR CLUTCH RELAY ACC IND ACC LED SIG ACCESSORY IGN VOLT ACCESSORY VOLT BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE GRN/BLK WIRE GRY/GRN WIRE HEATED OXYGEN SENSOR 1 IGN 1 VOLT IGN MODE SW IGNITION MODE SWITCH ILL INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE KEYLESS ENTRY CONTROL MODULE NCA WIRE PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE PASSIVE START SWITCH RAP RELAY 2 COIL CONTROL RUN/CRANK RUN/CRANK IGN 1 VOLT START IND START LED SIG STARTER RELAY TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 9 OF 9) TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE VOLT YEL 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

BATT POS VOLT BATTERY FUSE BLOCK BK INFOTAINMENT DISPLAY SIG BLK WIRE BLU WIRE CAMERA LO REF CAMERA SIG (-) CHEVROLET COAX COMPUTER DATA LINES SYSTEM GMC GRN/WHT WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INFO DISPLAY MODULE (CENTER OF DASH) INSTRUMENT PANEL FUSE BLOCK LO SPEED GMLAN SERIAL DATA 2 LVDS LVDS SIG NCA WIRE OG CAMERA SIG POWER SUPPLY TRANSFORMER RADIO RD COAX REAR VIEW CAMERA (W/ HD RESOLUTION) (CENTER OF LIFTGATE) REAR VIEW CAMERA (W/O HD RESOLUTION) (CENTER OF LIFTGATE) RED WIRE RED/BLU WIRE RED/GRY WIRE REGULATED CTRL UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT/BLU WIRE

AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED A/T) BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GMLAN SER DATA - (1) GRN/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IMS CTRL BACKUP IMS MODE SW LO CTRL IMS MODE SW LOW REF NCA WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER PINION SOL RLY CTRL TRANS PARK/ NEUTRAL SIG 1 TRANS PARK/NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (9 SPEED A/T) (LEFT SIDE OF TRANSMISSION) TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/VIO WIRE

ACC IGN VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM GENERATOR GMLAN SER DATA GMLAN SER DATA - (1) GRN WIRE GRN/BLK WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED IGN 1 VOLT IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE LOGIC LOW REF RED WIRE RED/BLU WIRE RED/GRY WIRE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY SW SIG 2 UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE

AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED A/T) BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GMLAN SER DATA - (1) GRN/YEL WIRE GRY/BRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN SW MODE CTRL BACKUP IMS MODE SW LO CTRL IMS MODE SW LO REF NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LOWER CENTER OF DASH) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL TRANS PARK/ NEUTRAL SIG 1 TRANS PARK/NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (9 SPEED A/T) (LEFT SIDE OF TRANSMISSION) TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE