GMC Terrain II (2017-2021) blu/ppl Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA BACKUP LAMP CTRL BACKUP LAMP RELAY CONTROL BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/PPL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/GRY WIRE BRN/PPL WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIGNAL CURRENT SENS CTRL CURRENT SENS LOW REF CURRENT SENS SIG DOME LAMP OFF INDICATOR CTRL DOOR LOCK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK ACTUATOR UNLOCK CTRL DR LOCK ACTUATOR LOCK CTRL DRIVER MODE 1 INDICATOR CONTROL DRIVER MODE 2 INDICATOR CONTROL DRIVER MODE 4 INDICATOR CTRL DRL RELAY CONTROL FOG LAMP RLY CTRL FRONT WINDSHIELD WIPER SW HIGH SIG LIFT GLASS/REAR COMPT LID MTR RELEASE CTRL FUSE 7 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/VIO WIRE GRY/YEL WIRE HDLP HIGH BEAM RLY CTRL HEADLIGHTS SYSTEM HI SPEED GMLAN DATA BUS (-) HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CTRL INSTRUMENT CLUSTER SYSTEM INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SWITCH SIGNAL KEY CAPTURE/COLUMN LOCK SHIFT POS SIG LED AMBIENT LIGHTING CONTROL 1 LED BACKLIGHT DIMMING CTR LF TURN SIG LAMP CTRL LH HEADLAMP LO BEAM CTRL LH PARK LAMP CTRL LH STOP/TAIL LAMP FEEDBACK SIG LIFTGATE AJAR SWITCH SIG 1 LOCAL INTERCONNECT NETWORK BUS 2 LOCAL INTERCONNECT NETWORK BUS 3 LOGISTIC MODE RLY CLOSE CTRL LOGISTIC MODE RLY OPEN CTRL LOW SPEED GMLAN SERIAL DATA PASS DOOR LOCK SW UNLOCK CTRL LR STOP LAMP CTRL LR TURN SIG LAMP CTRL PARK LAMP RELAY CONTROL PARK LOCK SOLENOID CTRL PASS DOOR LOCK SW LOCK CTRL POWER DISTRIBUTION SYSTEM PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/WHT WIRE PPL/YEL WIRE PUSH BUTTON START CHALLENGE ACTIVE RAP RELAY COIL CTRL REAR COMPT LID LAMP CTRL REAR FOG LAMP CTRL REAR LICENSE LAMP CTRL REAR WINDOW WASHER RELAY CTRL REAR WIPER MOTOR RELAY COIL CTRL RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RF TURN SIG LAMP CTRL RH HEADLAMP LO BEAM CTRL RH PARK LAMP CTRL RH STOP/TAIL LAMP FEEDBACK SIG RR CLOSURE HANDLE SW OPEN SIG LINEAR INTERCONNECT NETWORK DATA BUS 1 RR STOP LAMP CTRL RR TURN SIG LAMP CTRL RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM STOP LAMP RELAY COIL CTRL TRAILER BRAKE APPLY SIGNAL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK WIRE BLU/PPL 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/BLU WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK PWR SEAT FUSE RED/BRN WIRE RWD UP DN YEL WIRE YEL/BLU WIRE

BATT POS VOLT BLK WIRE BLU/GRN WIRE BLU/PPL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOWN DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT MEMORY CONTROL MODULE FORWARD SW SIG FRONT VERTICAL DWN SW SIG FRONT VERTICAL UP SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE HORIZONTAL MTR SENS SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK BUS 8 LOW SPEED GMLAN SERIAL DATA LR HAPTIC SEAT MTR CTRL LUM FUSE MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEM SENS HI REF (2) MSM FUSE NAVIGATION SYSTEM PWR SEAT FUSE REAR BODY FUSE BLOCK REAR VERTICAL DWN SW SIG REAR VERTICAL UP SW SIG REARWARD SW SIG RECLINE FORWARD SW SIG RECLINE MTR POS SENS SIG RECLINE REARWARD SW SIG RED/BRN WIRE RED/GRN WIRE RR HAPTIC SEAT MTR CTRL RWD UP DOWN VERTICAL MTR POS SENS SIG VERTICAL MTR SENS SIG WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/PPL WIRE BLU/YEL WIRE BRN/WHT WIRE DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBAR SUPPORT MOTOR DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR FRONT VERTICAL MTR DWN CTRL FRONT VERTICAL MTR UP CTRL GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL MEMORY 1 SWITCH MEMORY 2 SWITCH PPL REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/GRN WIRE RWD SET SWITCH WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

ABS FUSE 22 ABS FUSE 27 APPLY SW SIG APPLY SW VOL REF BLK WIRE BLU/BLK WIRE BLU/PPL WIRE BRN WIRE COMPUTER DATA LINES SYSTAM COMPUTER DATA LINES SYSTEM DATA COM ELECTRONIC BRAKE CONTROL MODULE FRONT FOG LAMP IND GMC GROUND GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PARK LIGHTS IND PPL/GRN WIRE REAR FOG LAMP IND RED/VIO WIRE RED/WHT WIRE RELEASE SW SIG RELEASE SW VOL REF RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP COOLING FAN RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIG SPLY VOL UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE W/ HID W/ HID W/ LED W/ LED WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

ABS FUSE B+ VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/PPL 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 LIN SERIAL DATA BUS 2 LOGIC LR PARK BRK MTR APPLY CTRL PARK BRAKE APPLY SW VOLT REF PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK IND RED/VIO WIRE RED/WHT WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR LOW REF LR PARK BRK MTR LOW REF RR PARK BRK MTR APPLY CTRL SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

AJAR AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLK/GRN WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/YEL WIRE BUS 3 BUS 4 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HVAC CONTROL MODULE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LF DR AJAR LOGIC DRIVER WINDOW MOTOR MODULE LOGIC DRIVER WINDOW SWITCH LOW REF LR DR AJAR NETWORK NETWORK BUS 3 PASS DR PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH LOGIC PPL RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH LOGIC RR DR AJAR STATUS SIG SW SIG UNLOCK SIG WHT/PPL WIRE

2.0L TURBO, 1.5L TURBO 1.6L AMBIENT LIGHT/ SUNLOAD SENSOR BCM 8 FUSE BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HOOD OPEN SW SIG HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LF DR AJAR LOGIC DRIVER WINDOW MOTOR MODULE LOGIC DRIVER WINDOW SWITCH LOW REF NCA WIRE NETWORK NETWORK BUS 3 PPL RED/BRN WIRE RED/WHT WIRE SERIAL DATA (+) (3) STATUS SIG SW SIG UNLOCK SIG WHT WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/YEL WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU/PPL WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HIGH HEAT IND HOT AT ALL TIMES ILL LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR SEAT HEATING SWITCH LOW HEAT IND LR CUSHION NTC LO REF LR CUSHION NTC SIG LR HTD SEAT CUSHION ELEMENT LO REF LR HTD SEAT ELEMENT CTRL LR HTD SEAT CUSHION ELEMENT CTRL BATT POS VOLT LR SEAT BACK NTC LO REF LR SEAT BACK NTC SIG MED HEAT IND NCA WIRE PPL/BLK WIRE REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR SEAT HEATING SWITCH RR CUSHION NTC LO REF RR CUSHION NTC SIG RR HTD SEAT CUSHION ELEMENT LO REF RR HTD SEAT ELEMENT CTRL RR HTD SEAT CUSHION ELEMENT CTRL RR HTD/ SEAT 1 FUSE RR HTD/ SEAT 2 FUSE RR SEAT BACK NTC LO REF RR SEAT BACK NTC SIG SEAT BACK SWITCH SEAT CUSHION, BACK SWITCH SERIAL DATA BUS 2 WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/GRY WIRE BLU WIRE BLU/PPL WIRE BRN/BLU WIRE BRN/GRY WIRE DELAY SWITCH GRN/WHT WIRE GRY WIRE GRY/PPL WIRE HI LO HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK MIST OFF INT OSRVM FUSE PPL REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY REAR WIPER/WASHER SWITCH RED/BRN WIRE RR/WPR FUSE UNDERHOOD FUSE BLOCK WASH/PUMP FUSE WASHER SWITCH WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER SWITCH WINDSHIELD WIPER/WASHER SWITCH YEL WIRE YEL/BLU WIRE