GMC Terrain II facelift (2021-2024) blu/yel Wiring diagrams

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT "C" PILLAR) RED/BRN WIRE RWD UP DN YEL WIRE YEL/BLU WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GROUND GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) (2) SERIAL DATA COMM ENABLE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SERIAL DATA 2 POWER STEERING CONTROL MODULE (ON POWER STEERING MOTOR) POWER STEERING MOTOR POWER STEERING WARNING LIGHT IND RED WIRE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE

BATT POS BG COAX WIFI ANTENNA COAX SIG BK COAX AM/FM BK USB USB SERIAL DATA BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE CAMERA SIGNAL 2 CAMERA SIGNAL 2 (-) MICROPHONE 4 LOW REF 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 HD/XM COAX CU LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LOGIC MIC (-) LOW REF MIC SIG MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG MICROPHONE 2 FEEDBACK SIG MICROPHONE 2 SIG MICROPHONE 3 FEEDBACK SIG MICROPHONE 3 SIG MICROPHONE 4 SIG NAVIGATION SYSTEM (REAR VIEW CAMERA CIRCUIT) RADIO RED WIRE RED/BRN WIRE RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE USB USB SERIAL VIO/BLU WIRE VOLT W/O S-BAND DIGITAL AUDIO SYSTEM WHT/BLU WIRE WHT/GRN WIRE WLAN WIRELESS COMMUNICATION ANTENNA YEL WIRE

AUDIO AMPLIFIER (CENTER OF DASH) BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA ENGINE CONTROL MODULE ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LF TWEETER SPEAKER (+) LINES SYSTEM LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG MICROPHONE 2 FEEDBACK SIG MICROPHONE 2 SIG MICROPHONE 3 FEEDBACK SIG MICROPHONE 3 SIG MICROPHONE 4 LOW REF MICROPHONE 4 SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RF TWEETER SPEAKER (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

ACTIVE NOISE CANCELLATION MODULE BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER 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 RED WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE REMOTE ENABLE SIG REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 VIO/BLU WIRE WHT WIRE WHT/GRN 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

5 VOLT REF AJAR SW SIG 1 AJAR SW SIG 2 AJAR SW SIG 3 BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HANDLE SW OPEN SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT LIFTGATE OBJECT SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE UNLATCH SWITCH LIN SERIAL DATA BUS 18 LOGIC LOW REF LOW SPD GMLAN SERIAL DATA 2 MTR CLOSE CTRL MTR OPEN CTRL MTR RELEASE CTRL 2 OBJECT SENSOR SIG ON/OFF SW SIG OPEN/CLOSE SW SIG POSITION SENS SIG 1 POSITION SENS SIG 2 REAR BODY FUSE BLOCK REAR CLOSURE OPEN RED/GRN WIRE RED/GRY WIRE RIGHT LIFTGATE OBJECT SENSOR SHUT FACE SW LED CTRL SHUT FACE SW SIG WHT WIRE WHT/BLK WIRE YEL/BLU WIRE

3/4 OFF MAX 5 VOLT REF BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HANDS FREE CLOSURE RELEASE SENSOR LOW REF 1 HANDS FREE CLOSURE RELEASE SENSOR LOW REF 2 HANDS FREE CLOSURE RELEASE SENSOR SIG 1 HANDS FREE CLOSURE RELEASE SENSOR SIG 2 HANDS-FREE LIFTGATE SENSOR CONTROL MODULE ILL INTERIOR LIFTGATE CONTROL SWITCH LIFTGATE LATCH ASSEMBLY (BOTTOM CENTER OF LIFTGATE) LIFTGATE MOTOR ASSEMBLY (NEAR LEFT SIDE OF LIFTGATE) LIN SERIAL DATA BUS 18 LOW REF LOWER HANDS-FREE LIFTGATE SENSOR NCA WIRE REAR OPEN/ CLOSE SWITCH RED/GRN WIRE SENS SIG 1 SENS SIG 2 UPPER HANDS-FREE LIFTGATE SENSOR W/ SIDE ACTIVE SAFETY W/O 360 VIEW MONO VISION W/O SIDE ACTIVE SAFETY WHT WIRE WHT/GRY WIRE YEL 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