GMC Terrain II (2017-2021) (under front of passenger seat) Wiring diagrams

BATT POS VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN WIRE GRY WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (+) 5 HOT AT ALL TIMES LEFT SIDE OBJECT SENSOR MODULE LH SIDE OBJECT DETECTION LED CTRL LO SPD GMLAN SERIAL DATA PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR REAR BODY FUSE BLOCK RED WIRE RED/BRN WIRE RH SIDE OBJECT DETECTION LED CTRL RIGHT SIDE OBJECT SENSOR MODULE SBZA FUSE YEL WIRE

1.6L TURBO DIESEL 1.5L TURBO, 2.0L TURBO BACKUP LAMPS CIRCUIT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS BRK POS SENS SIG BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISTRIBUTION ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/PPL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/YEL WIRE HI SPD GMLAN LEFT INNER TAIL/STOP LAMP LEFT LIFTGATE TAILLAMP ASSEMBLY LEFT OUTER TAIL/ STOP LAMP LEFT OUTER TAIL/STOP LAMP LEFT REAR SIDE MARKER LAMP LEFT TAILLAMP ASSEMBLY LEFT TAILLAMP ASSEMBLY LOGIC LEFT TURN SIGNAL LAMP LOW REF NCA WIRE PPL PPL/GRY WIRE PPL/WHT WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY (CHEVROLET) RIGHT INNER TAIL/STOP LAMP RIGHT LIFTGATE TAILLAMP ASSEMBLY RIGHT PARK DAYTIME RUNNING LAMP SER DATA (-) 7 SYSTEM W/ LED W/O LED W/O TERRAIN DENALI W/ TERRAIN DENALI GMC CHEVROLET WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE CENTER HIGH MOUNTED STOP LAMP DISTRIBUTION DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 1 GRN/GRY WIRE GRN/PPL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY (CHEVROLET) LEFT HEADLAMP ASSEMBLY (GMC) LEFT PARK DAYTIME RUNNING LAMP LEFT TURN SIGNAL REPEATER LAMP LT PRK FUSE NCA WIRE PARK LAMPS RELAY PASSENGER OUTSIDE REAR VIEW MIRROR PPL PPL/GRY WIRE PPL/WHT WIRE PRK FUSE REAR BODY FUSE BLOCK RED/GRN WIRE RED/YEL WIRE RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY (GMC) RIGHT PARK DAYTIME RUNNING LAMP RIGHT TURN SIGNAL REPEATER LAMP RT PRK FUSE SYSTEM TRAILER CONNECTOR TRLR PRK FUSE UNDERHOOD FUSE BLOCK W/ TRAILER BRAKE PROVISIONS W/O TRAILER BRAKE PROVISIONS GMC CHEVROLET WHT/YEL WIRE

1.5L TURBO, 2.0L TURBO 1.6L TURBO DIESEL 6 SPEED 9 SPEED ACTIVE NOISE CANCELLATION MODULE AUDIO AMPLIFIER AUTOMATIC TRANSMISSION ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUXILIARY AUDIO INPUT AUXILIARY HEATER COOLANT PUMP BLK WIRE BLK/WHT WIRE BLOWER MOTOR ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH EXHAUST PARTICULATE MATTER SENSOR HVAC CONTROLS IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INFO DISPLAY MODULE INSTRUMENT CLUSTER INTAKE MANIFOLD RUNNER VALVE ACTUATOR MULTI-FUNCTION INTAKE AIR SENSOR NITROGEN OXIDES SENSOR 1 RADIO STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRANSMISSION CONTROL MODULE USB RECEPTACLE W/ ACTIVE NOISE W/ ONSTAR W/ START/ STOP SYSTEM W/O ACTIVE NOISE W/O START STOP SYSTEM

1.5L TURBO 1.6L TURBO DIESEL 1.6L TURBO DIESEL 2 WAY BLK WIRE BLU WIRE CARGO ACCESSORY POWER RECEPTACLE CHEVROLET FRONT OVERHEAD CONSOLE ASSEMBLY FRONT SEAT HEATING CONTROL MODULE FUEL HEATER/ WATER IN FUEL SENSOR FUEL PUMP DRIVER CONTROL MODULE GARAGE DOOR OPENER GMC INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT REAR DOME/ READING LAMPS LEFT SUNSHADE NCA WIRE NITROGEN OXIDES SENSOR 2 PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER PRESENCE MODULE PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH REAR COMPARTMENT COURTESY LAMP REDUCTANT CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT OUTER TAIL/ STOP LAMP RIGHT OUTER TAIL/STOP LAMP RIGHT REAR DOME/ READING LAMPS RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR TURN SIGNAL LAMP RIGHT REAR WINDOW SWITCH RIGHT SUNSHADE RIGHT TURN SIGNAL REPEATER LAMP VIDEO PROCESSING CONTROL MODULE W/ INTERIOR LAMP PACKAGE W/ LED W/ LED W/O LED W/ TERRAIN DENALI W/O LED W/O TERRAIN DENALI

BATT POS VOLT BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLU/GRN WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER, EXTERIOR LIGHTS SYSTEMS DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH GRN WIRE GRN/BLK WIRE GRN/PPL WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 8 LOGIC LOW SPD GMLAN SERIAL DATA MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEMORY 1 SWITCH MEMORY 2 SWITCH MSM FUSE NAVIGATION SYSTEM PASS MIR MTR COMMON CTRL PASS MIR MTR RH (+) LH (-) CTRL PASS MIR MTR UP (+) DOWN (-) CTRL PASS MIR POSITION SENS 5 VOLT REF PASS MIR POSITION SENS LH (-) RH (+) SIG PASS MIR POSITION SENS LO REF PASS MIR POSITION SENS UP (+) DOWN (-) SIG PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH PPL/WHT WIRE PPL/YEL WIRE REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE RIGHT TURN SIGNAL REPEATER LAMP SET SWITCH WHT WIRE WHT/BRN WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

2.0L TURBO, 1.5L TURBO 1.6L ACT CTRL ACTR LOCK CTRL ACTR UNLCK CTRL ACTUATOR BATT POS VOLT BCM 8 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CTRL DR LOCK CTRL DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER DISPLAY GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD OPEN SW SIG HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LH HDLP LO BEAM CTRL LOCK SIG LOGIC NCA WIRE PASS DOOR LOCK SW LOCK CTRL PASS DOOR LOCK SW UNLOCK CTRL PASSENGER DOOR LOCK SWITCH PPL PPL/GRN WIRE RCV SIG RECEIVE SIG RED/BRN WIRE REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO BEAM CTRL SEC IND CTRL SECURITY IND SERIAL DATA (+) (3) TRANS SIG UNDERHOOD FUSE BLOCK UNLCK SIG VAR/ FUNC FUSE WHT WIRE WHT/PPL WIRE YEL WIRE YEL/GRN WIRE YEL/PPL 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

BLK WIRE BLK/ORG WIRE BLU WIRE BRN/ORG WIRE DRIVER SEAT BELT RETRACTOR PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRY/ORG WIRE LEFT FRONT IMPACT SENSOR LEFT FRONT SIDE IMPACT SENSOR LEFT REAR SIDE IMPACT SENSOR LEFT ROOF RAIL AIR BAG NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/PPL WIRE ORG/WHT WIRE ORG/YEL WIRE PASSENGER AIR BAG OFF IND PASSENGER AIR BAG ON IND PPL/ORG WIRE RIGHT FRONT IMPACT SENSOR RIGHT FRONT SIDE IMPACT SENSOR RIGHT REAR SIDE IMPACT SENSOR SEAT BELT IND SHORTING BAR VIO/WHT WIRE