GMC Acadia II facelift (2019-2024) 3.6l Wiring diagrams

2.5L 3.6L ABS IND. BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE IND BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE POSITION SENS LOW REF BRAKE POSITION SENS SIG BRAKE VACUUM SENS SIG COMPUTER DATA LINES SYSTEM DESCENT CTRL SW SIG DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF IND GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HILL DESCENT CONTROL SWITCH HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR WHEEL SPEED SENSOR LOGIC NCA WIRE RED/GRY WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR SERIAL DATA (-) (1) SIG GND TRACTION CTRL SW SIG 1 VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

2.5L 3.6L ABS IND. BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE IND BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE POSITION SENS LOW REF BRAKE POSITION SENS SIG BRAKE VACUUM SENS SIG COMPUTER DATA LINES SYSTEM DESCENT CTRL SW SIG DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF IND GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HILL DESCENT CONTROL SWITCH HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR WHEEL SPEED SENSOR LOGIC NCA WIRE RED/GRY WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR SERIAL DATA (-) (1) SIG GND TRACTION CTRL SW SIG 1 VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

2.0L TURBO 2.5L 3.6L BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN/GRY WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG CTRL CLOSE CTRL OPEN ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN/YEL WIRE GRY/VIO WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INLET TEMP SIG LOGIC OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/WHT WIRE SENS 5 VOLT REF 1 SENS LOW REF (2) SENS LOW REF 1 SIG GND SIG GND SENS LOW REF TEMP SENS 2 SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VALVE POSITION SIG VIO WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.0L TURBO 2.5L 3.6L ACC IGN VOLT ACC WAKEUP SERIAL DATA ACTR CTRL ACTR LO REF ACTR RECEIVE ACTR TRANSMIT AMBIENT LIGHT/ SUNLOAD SENSOR B+ VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE CHALLENGE ACTIVE SIG COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 9 DR LCK ACTR LCK CTRL DR LCK ACTR LCK CTRL 2 DR LCK ACTR UNLCK CTRL DRV DR LCK SW LCK SIG DRV DR LCK SW UNLCK SIG ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUEL DR LCK RLY CTRL GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIGNAL HOOD STATUS B SIGNAL HORN RLY CTRL HORNS SYSTEM HVAC CONTROL MODULE LH HEADLAMP LO BEAM CTRL LIN SERIAL LO REF LOGIC PASS DR LCK SW LCK CTRL PASS DR LCK SW UNLCK CTRL PASSENGER WINDOW SWITCH PPL/YEL WIRE RED/PPL WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE CONTROL DOOR LOCK RECEIVER CONTROL REMOTE CONTROL DOOR LOCK RECEIVER LOW REFERENCE SIG GND REMOTE CONTROL DOOR LOCK RECEIVER RECEIVE SIGNAL REMOTE FUNCTION ACTR TRANSMIT SIG RF DR AJAR RH HEADLAMP LO BEAM CTRL RUN/CRANK IGN 1 VOLT SEC IND CTRL SERIAL DATA COMM ENABLE SIG SOLAR SENSOR SW SIG VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/PPL WIRE

"CHECK ENGINE" IND CTRL 2.5L 2.0L TURBO 3.6L ABS IND. ADAPTIVE CRUISE IND ADAPTIVE FRONT LIGHTING (AFL) IND AIR BAG IND AJAR SW SIG ASSIST IND BATT POST VOLT BLK WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE WARNING IND BRN/BLU WIRE BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CONTROL IND CRUISE IND DISPLAY DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL ENGINE OIL LEVEL GAUGE ESC IND ESC OFF IND FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GND LINEAR INTERCONNECT NETWORK BUS 12 GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH BEAM LAMP IND HILL DECENT HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE DEPARTURE LANE KEEPING LED DISPLAY DIMMING CTRL LEFT TURN SIG IND LIGHT ON IND LIN BUS 3 LIN SER BUS 4 LIN SER DATA LOGIC LOW FUEL IND LOW SPD GMLAN SER DATA 2 LOW WASHER FLUID IND CTRL MALFUNCTION IND MOST SERIAL DATA (+) NAVIGATION SYSTEM OFF IND PARK BRAKE IND PARK LAMP IND PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH POWER STEERING PRESSURE IND REAR FOG LAMP IND RED/GRY WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RIGHT TURN SIG IND RUN/CRANK IGN 1 VOLT SEAT BELT 2 IND SEAT BELT IND SECURITY IND SERVICE PARK SPEEDOMETER TACHOMETER TIRE PRESSURE IND TRACTION CONTROL UNDERHOOD FUSE BLOCK VEHICLE AHEAD IND VIO WIRE VIO/GRY WIRE WARNING IND WARNING LIGHT IND WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

1-YE 2-YE 2.5L 3.6L AM/FM BACKUP LAMP CTRL BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/GRN WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LO SPD GMLAN SER DATA 2 LR SPEAKER (+) CTRL RADIO REAR VIEW CAMERA REPLICATED RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE ROOF REAR ANTENNA RR SPEAKER (+) CTRL SER DATA COMM ENABLE SIGNAL USB VIO/BLU WIRE W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1-YE 2-YE 2.5L 3.6L AM/FM BACKUP LAMP CTRL BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLK WIRE COAX COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LO SPD GMLAN SER DATA 2 RADIO REAR VIEW CAMERA REPLICATED RIGHT FRONT DOOR SPEAKER RIGHT FRONT INSTRUMENT PANEL SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE ROOF REAR ANTENNA SER DATA COMM ENABLE SIGNAL USB VIO/BLU WIRE W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

2.0L TURBO 2.5L 3.6L ACC WAKEUP SERIAL DATA AMBIENT LIGHT/ SUNLOAD SENSOR B+ VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN/GRY WIRE GRN/PPL WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOOD OPEN SW SIG HOOD STATUS B SIGNAL HOT AT ALL TIMES HVAC CONTROL MODULE IMMOBILIZER CONTROL MODULE (REAR OF FLOOR CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LIN BUS 1 IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 9 LOGIC LOW SPD GMLAN SERIAL DATA 2 RED/VIO WIRE SECURITY INDICATOR SECURITY INDICATOR CTRL SERIAL DATA COMM ENABLE SIG GND SOLAR SENSOR LOW REF VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

2.0L TURBO 2.0L TURBO 2.5L 3.6L AUXILIARY HVAC CONTROLS BATTERY SENSOR FUSE HOLDER BATTERY SENSOR MODULE BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER COLLISION ALERT INDICATORS ELECTRICAL AUXILIARY HEATER ENGINE CONTROL MODULE FROM BATTERY FUSE BLOCK (DIAGRAM 2 OF 8) FROM BODY CONTROL MODULE (DIAGRAM 8 OF 8) FUEL PUMP DRIVER CONTROL MODULE GRN/VIO WIRE HVAC CONTROL MODULE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER REAR BODY FUSE BLOCK REAR WIPER IGNITION RELAY RED WIRE RED/WHT WIRE STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TO POWER SUPPLY TRANSFORMER (DIAGRAM 7 OF 8) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SELECTOR CONTROLS VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ REAR AIR CONDITIONER

2.0L TURBO 2.5L 2.5L 3.6L 3.6L A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BODY CONTROL MODULE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COOLING FAN CONTROL MODULE ELECTRICAL AUXILIARY HEATER ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT PUMP FRONT FOG LAMP RELAY GENERATOR HEADLAMP LOW BEAM RELAY HIGH BEAM SOLENOID ACTUATOR RELAY HORN RELAY LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LOGIC NCA WIRE POWER STEERING CONTROL MODULE REAR WINDOW WASHER PUMP RELAY REAR WIPER IGNITION RELAY REAR WIPER RELAY RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO BATTERY SENSOR FUSE HOLDER (DIAGRAM 1 OF 8) TO IGNITION MAIN RELAY (DIAGRAM 1 OF 8) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 8) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 8) TO POWER SUPPLY TRANSFORMER (DIAGRAM 7 OF 8) TO REAR BODY FUSE BLOCK (DIAGRAM 3 OF 8) TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ HID W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY