GMC Terrain II (2017-2021) bcm 4 fuse Wiring diagrams

ABS/TCS HILL DESCENT CTRL SW SIG ACC IGN VOLT ACC IND ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT BATTERY POSITIVE VOLT INFOTAINMENT REGULATED CTRL BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DIMMER SW LO REF DIMMER SW SIG DIMMIMG IND DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER DR LOCK SW UNLOCK SIG DRIVER MODE 5 INDICATOR CONTROL ENGINE START/ STOP EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRONT FOG LAMP SWITCH SIGNAL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD LED DIMMING SIGNAL HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG HAZARD SW SIG HDLP AUTOMATIC HI BEAM DIM CTRL HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HORN SW SIG HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMPS SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTR CTRL HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTUATOR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOLT IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LED BACKLIGHT DIMMING CTRL LIN BUS 15 PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM PPL/BLK WIRE PPL/BLU WIRE PPL/YEL WIRE REAR FOG LAMP SWITCH SIGNAL REAR WINDOW WIPER SWITCH SIGNAL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REMOTE FUNCTION ACTR TRANSMIT SIGNAL RUN/CRANK IGN 1 VOLT SECURITY INDICATOR CTRL SET/COAST/RESUME/ ACCELERATE SW SIG WINDSHIELD WIPER SW LOW REF SHIFT SELECT SW PERFORMANCE SIG START IND TAP UP/TAP DOWN SWITCH SIGNAL TRANSMISSIONS SYSTEM VIO/YEL WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/RED WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

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

AMBIENT LIGHT SENSOR SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY POSITIVE VOLTAGE BCM 1 FUSE BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/PPL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER SW HI BEAM SIG DRL RLY CTRL FOG LAMP RLY CTRL FRONT FOG LAMP SW SIG FRONT FOG LAMP SWITCH GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/BRN WIRE HDLP AUTO HI BEAM DIM CTRL HDLP HI BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) INSTRUMENT PANEL FUSE BLOCK LEFT LOW BEAM SPLY CTRL LEFT PARK LAMP CTRL LOW REFERENCE OFF PARK PPL/GRY WIRE REAR FOG LAMP REAR FOG LAMP SW SIG REAR FOG LAMP SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT LOW BEAM SPLY CTRL RIGHT PARK LAMP CTRL RR FOG LAMP CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/PPL WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

ABS FUSE 22 BATT POSITIVE VOLT BATTERY POSITIVE VOLT BCM 4 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/PPL WIRE BODY CONTROL MODULE BRAKE FLUID LEVEL SENS SIG BRN WIRE BRN/PPL WIRE BRN/WHT WIRE BUS 2 COIL CTRL COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER MODE 1 IND CTRL DRIVER MODE 2 IND CTRL DRIVER MODE 4 IND CTRL DRIVER MODE 5 IND CTRL ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/PPL WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA (-) 1 LOGIC MODE MODE 1 IND MODE 2 IND MODE 4 IND MODE 5 IND NETWORK NETWORK BUS 3 PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH PPL/YEL WIRE PRESS BRAKE RAP RLY RAP RLY COIL CTRL RED/BLU WIRE RED/PPL WIRE TOW/ HAUL TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

2.0L TURBO 1.5L TURBO 1.6L TURBO DIESEL 6 SPEED 9 SPEED ACCY WAKEUP SER DATA AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BCM 1 FUSE BCM 4 FUSE BCM 6 FUSE BCM 8 FUSE BLK WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT MEMORY CONTROL MODULE E SHIFT FUSE ENGINE CONTROL MODULE ESCL FUSE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 9) FUSE 26 GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 3 HVAC CONTROL MODULE HVAC FUSE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFOTAINMENT REGULATED CTRL INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH OCC SENS FUSE PASSENGER PRESENCE MODULE PEPS FUSE POWER SUPPLY TRANSFORMER (W/ START-STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRN WIRE PPL/YEL WIRE PWR SEAT FUSE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR WINDOW SWITCH RR WDO FUSE RUN/CRANK IGN 1 VOLT SDM FUSE STARTER ENABLE RLY CTRL STARTER RELAY TCM FUSE TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 9) TO RETAINED ACCESSORY POWER RELAY (DIAGRAM 9 OF 9) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SELECTOR CONTROLS UNDERHOOD FUSE BLOCK W/ MEMORY W/ START STOP SYSTEM W/O START STOP SYSTEM W/ START/ STOP SYSTEM W/O MEMORY WHT WIRE YEL/PPL WIRE

ABS FUSE 22 BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BCM 4 FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER WINDOW MOTOR MODULE DRV SEAT BELT DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE HDLP SW OFF SIG CTRL HDLP SW ON SIG CTRL HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LO SPD GMLAN SERIAL DATA (-) 1 LO SPD GMLAN SERIAL DATA 2 LOGIC LR DR AJAR SW SIG NCA WIRE NETWORK BUS 3 NETWORK BUS 4 OFF AUTO ORG/BRN WIRE PARK PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RADIO RED/BLU WIRE RED/PPL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND SERIAL DATA SERIAL DATA 2 SW LOW REF TIRE PRESSURE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/PPL WIRE YEL WIRE YEL/RED WIRE

B+ VOLT BATT POS VOLT BCM 4 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 PPL RAIN/AMBIENT LIGHT SENSOR MODULE REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE