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

AUTO HEAD OFF PARK BATT POS VOLT BCM 3 FUSE BCM 4 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRN/YEL WIRE CHEVROLET COMPUTER DATA LINES SYSTEM GMC GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HAZ LED DIMMING SIG HAZ SW LH TURN SIG HAZ SW RH TURN SIG HAZARD WARNING SWITCH HDLP SW PARK LP SIG HEADLAMP SWITCH HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 HAZARD SW SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT LICENSE PLATE LAMP LEFT TURN IND LH FT TURN SIG LP CTRL BATT POS VOLT LH REAR STOP LP CTRL LH STOP/TAILLAMP FEEDBACK SIG LH FT TURN SIG LP CTRL LEFT PARK LAMP CTRL LOGIC PARK LIGHTS IND PARK LP RLY CTRL PPL PPL/BLU WIRE PPL/GRY WIRE PPL/WHT WIRE REAR LICENSE LP CTRL RH STOP/TAILLAMP FEEDBACK SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RIGHT LICENSE PLATE LAMP RIGHT OUTER TAIL/ STOP LAMP RIGHT OUTER TAIL/STOP LAMP RIGHT PARK LAMP CTRL RIGHT REAR SIDE MARKER LAMP RIGHT TAILLAMP ASSEMBLY RIGHT TAILLAMP ASSEMBLY (CHEVROLET W/ LED) RIGHT TAILLAMP ASSEMBLY (GMC) RIGHT TURN IND RR STOP LP CTRL STOP LP RLY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ LED W/O LED W/O TERRAIN DENALI W/ TERRAIN DENALI GMC CHEVROLET WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLK 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

BACK SWITCH BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRIVER SEAT HEATING SWITCH DRV HEATED BACK NTC SIG DRV HEATED SEAT ELEMENT CTRL DRV HEATED SEAT ELEMENT LO REF DRV HEATED SEAT NTC LO REF DRV HEATED SEAT NTC SIG DRV SEAT VENT MOTOR CTRL 1 FRONT SEAT HEATING CONTROL MODULE FRT HT SW FUSE GRN/BLU WIRE GRN/PPL WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT AT ALL TIMES HTD/SEAT FUSE ILL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT N/W SERIAL DATA BUS 2 LOW TEMP IND MED TEMP IND NCA WIRE PASS HEATED BACK NTC LO REF PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT CTRL PASS HEATED SEAT ELEMENT LO REF PASS HEATED SEAT NTC LO REF PASS HEATED SEAT NTC SIG PASS SEAT VENT MOTOR CTRL 1 PPL/WHT WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BACK SWITCH BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE CDST- VENT FUSE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DR/SEAT/ VENT FUSE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRV SEAT VENT MOTOR CTRL 1 GRN/PPL WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT ILL LOGIC LOW TEMP IND MED TEMP IND NCA WIRE PASS SEAT VENT MOTOR CTRL 1 PASSENGER BACK SEAT BLOWER MOTOR PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER SEAT HEATING SWITCH PPL/BLK WIRE PPL/GRY WIRE PPL/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/GRY WIRE

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

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 DSP HMI FUSE FRT PARKING LEFT/RIGHT/MID SENS LF SUPPLEMENTAL OBJECT SENS SIG FRT PARKING FRT PARKING SENS LOW REF FUSE 3 GMLAN SER DATA (-) (2) GND REAR PARK ASSIST DISABLE SIG 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 CORNER SENS FRT PARKING LEFT MID SENS 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 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) PPL/GRY WIRE PPL/WHT WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE 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 W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/PPL WIRE YEL/WHT WIRE

2.0L TURBO 1.5L TURBO 1.6L TURBO DIESEL A/C COMPRESSOR CLUTCH RELAY A/C FUSE AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY COOLANT PUMP RELAY BLK WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS CONTROL SOLENOID VALVE ASSEMBLY ELECTRICAL AUXILIARY HEATER ENG/ COOL/PMP FUSE ENGINE CONTROL MODULE FROM AHL FUSE (DIAGRAM 1 OF 9) FRT/WPR FUSE FUEL HEATER FUSE FUEL HEATER RELAY FUEL PUMP DRIVER CONTROL MODULE GRN/PPL WIRE HVAC CONTROL MODULE IGNITION MAIN RELAY INSTRUMENT CLUSTER LD TRAILR FUSE NEC TERM FUSE PPL/GRN WIRE PPL/WHT WIRE REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY RED/BRN WIRE RED/GRY WIRE RR/WPR FUSE TCM/ ECM FUSE TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 9) TO HDLP/POS FUSE (DIAGRAM 7 OF 9) TO POWER SUPPLY TRANSFORMER (DIAGRAM 3 OF 9) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE CONTROL MODULE TRANSMISSION RANGE SELECTOR CONTROLS TRCM FUSE VAR/FUNC FUSE W/O HEAD-UP DISPLAY WASH PUMP FUSE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

3 4 SIG 1 BAT POS VOL BLK WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/PPL WIRE BRN WIRE CLOSE COMPUTER DATA LINES SYSTEM DATA 1 SIG DATA BUS 1 DATA K-LINE DOWN DOWN CTRL DOWN CTRL PPL EXPRESS CLOSE EXPRESS DOWN EXPRESS OPEN EXPRESS UP FRONT OVERHEAD CONSOLE ASSEMBLY GROUND GRY WIRE HOT AT ALL TIMES LOGIC LOW REF ORG/ WIRE PPL PPL/WHT WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/WHT WIRE S/ROOF FUSE SIG (1) SIG (2) SUNROOF CONTROL MODULE SUNROOF SUNSHADE MOTOR MODULE SWITCH SIG TAN WIRE UP CTRL WHT WIRE YEL WIRE