GMC Acadia II facelift (2019-2024) blk Wiring diagrams

BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE MASTER CYLINDER) BRAKE PRESSURE MODULATOR BRAKE SYSTEM CONTROL MODULE BRK FLUID LEVEL SWITCH SIG BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPD GMLAN SER DATA (-) 1 HIGH SPD GMLAN SER DATA (-) 2 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPD SENS CTRL LEFT FRONT WHEEL SPD SENS SIG LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LEFT PRK BRK MTR APPLY CTRL LEFT PRK BRK MTR LOW REF LEFT REAR WHEEL SPD SENS CTRL LEFT REAR WHEEL SPD SENS SIG LEFT REAR WHEEL SPEED SENSOR NCA WIRE PRK BRK APPLY SWITCH SIG PRK BRK APPLY SWITCH VOLT REF PRK BRK RELEASE SWITCH SIG PRK BRK RELEASE SWITCH VOLT REF PRK BRK SWITCH SIG PRK BRK SWITCH SUPPLY VOLTAGE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT REAR WHEEL SPD SENS CTRL RIGHT REAR WHEEL SPD SENS SIG RIGHT REAR WHEEL SPEED SENSOR RUN/CRANK IGN 1 VOLTAGE SER DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/RED WIRE

ABS IND. BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR LOW REFERENCE BRAKE APPLY SENSOR SIG BRAKE APPLY SENSOR VOLTAGE REF BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ESC IND GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SWITCH SIG HIGH SPD GMLAN SER DATA (+) 7 HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC PARK BRAKE SWITCH RED/VIO WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG NCA WIRE 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 RED/GRY WIRE RED/YEL WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF GND RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED 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

AUTO BATT POS VOLT 21 BATT POS VOLT 27 BATT POS VOLT 34 BATT POS VOLT 38 BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRK APLY SENS LOW REF BRK APLY SENS SIG BRK APLY SENS VOLT REF CENTER CONSOLE MULTI-FUNCTION SWITCH CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HANDS-FREE LIFTGATE SENSOR LAMP HANDS-FREE LIFTGATE SENSOR LAMP CONTROL HAZ WARN SW LH TURN SIG HAZ WARN SW RH TURN SIG HAZ WARN SW SIG HAZARD SWITCH HEAD HEADLAMP SW PRK LMP SIG HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LF TURN SIG LAMP CTRL LH PRK LAMP CTRL LICENSE PLATE LAMP LO SPD GMLAN SERIAL DATA LR STOP LAMP CTRL OFF PARK RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RF TURN SIG LAMP CTRL RH PRK LAMP CTRL RR LICENSE LAMP CTRL RR STOP LAMP CTRL RR TURN SIG LP FEEDBACK SIG STOP LAMP RLY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE

2.0L TURBO 2.5L 3.6L 5-VOLT REF 1 BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE GRN/VIO WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) J152 (2.0L TURBO) LEFT FRONT PARK LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT TURN SIGNAL REPEATER LAMP LOGIC LOW REF (1) NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE APPLY SW VOL REF PARK BRAKE RELEASE SW SIG PARK BRAKE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR RIGHT FRONT PARK LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA COMMUNICATION ENABLE VIO/GRY WIRE W/ LED WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN/WHT WIRE GRY WIRE HORN RELAY HORN RELAY CONTROL HORN SWITCH HORN SWITCH SIGNAL HOT AT ALL TIMES LEFT HORN RED WIRE RIGHT HORN STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

BACKUP LAMP CTRL BACKUP LAMPS CIRCUIT BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM GND 17 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY REAR BODY FUSE BLOCK RED WIRE RED/GRN WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER BRAKE PROVISION (BLUNT CUT) (FRONT OF CENTER CONSOLE) TRAILER BRK APPLY SIG TRAILER CONNECTOR TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRY WIRE

AJAR SW SIG BATT POS VOLT BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HDLP SW OFF SIG HDLP SW ON SIG HDLP SW PARK LP SIG HOT AT ALL TIMES IGN MODE SW VOLT IGNITION MODE SWITCH INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LIN BUS 3 LIN SERIAL DATA BUS 4 LOGIC LOW SPD GMLAN SERIAL DATA OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PARK AUTO HEAD OFF PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH PPL/WHT WIRE RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SEAT BELT IND TURN SIGNAL/MULTI-FUNCTION SWITCH W/ EXPRESS UP/DOWN W/O EXPRESS UP/DOWN WHT/VIO WIRE

BLK WIRE BLK/ORG WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE WARNING IND BRK FLUID LEVEL SW SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRV SEAT BELT SW LOW REF DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SER DATA BUS (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA LOW SPEED GMLAN SERIAL DATA 2 NCA WIRE ORG/BRN WIRE ORG/PPL WIRE ORG/VIO WIRE PARK BRAKE SWITCH PARK BRAKE WARNING IND PARK BRK APPLY SW SIG PARK BRK APPLY VOLT REF PARK BRK REL SW SIG PARK BRK REL SW VOLT REF PARK BRK SW SPLY VOLT PASS SEAT BELT IND CTRL PASS SEAT BELT SW LOW REF PASS SEAT BELT SW SIG PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH PPL/WHT WIRE PRK BRK SW SIG SEAT BELT IND TIRE PRESSURE IND WHT WIRE YEL WIRE YEL/RED WIRE