GMC Acadia II facelift (2019-2024) yel/gry Wiring diagrams

ABS/TCS HILL DESCENT CTRL SW SIG ACC IGN VOL ACC IGN VOLT ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS CTRL BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS CRUISE CONTROL, EXTERIOR LIGHTS, SHIFT INTERLOCK SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DOOR LOCK SW LOCK SIG DRV DOOR LOCK SW UNLOCK DRV MODE 5 INDICATOR CTRL ELECTRONIC SUSPENSION SYSTEM ENGINE START/ STOP SWITCH FRONT FOG LAMP SW SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG HAZARD SW SIG HDLP AUTOMATIC HIGH BEAM DIM CTRL HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMPS SIG HEADLAMP SWITCH REF HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HI SPD GMLAN SERIAL DATA (+) 1 REMOTE CTRL DOOR LOCK RECEIVER RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES I/P LAMP DIM SW SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOL IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL LAMP DIMMER SW LOW REF IGN MODE SW ACC LED SIG INTERIOR LAMP DEFEAT SW SIG KEYLESS ENTRY CONTROL MODULE LED BACKLIGHT DIMMING CTRL LIGHTING CTRL 2 LIN BUS 1 LIN SERIAL DATA BUS 4 LOW SPD GMLAN SERIAL DATA PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 REAR WINDOW WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR LOW REF REMOTE FUNCTION ACTR TRANSMIT SIGNAL RUN/CRANK IGN 1 VOLT SECURITY INDICATOR CTRL SET/COAST/RESUME/ ACCELERATE SW SIG WINDSHIELD WIPER SW LOW REF TAP UP/DOWN SW SIG (22-23 NOT USED) 24 TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIGNAL TRANSMISSIONS SYSTEM VEHICLE IMMOBILIZER CTRL VEHICLE IMMOBILIZER LOW REF LIN BUS 1 VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO 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

3.6L ACCESSORY WAKEUP SERIAL DATA BACKUP LAMP CTRL BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS CTRL CURRENT SENS LOW REF DOME LAMP OFF INDICATOR CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK ACTUATOR UNLOCK CTRL DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DRV MODE 1 INDICATOR CTRL DRV MODE 2 INDICATOR CTRL DRV MODE 3 INDICATOR CTRL ELECTRONIC SUSPENSION SYSTEM ENDGATE LATCH RLY COIL CTRL ENDGATE LATCH RLY CTRL EXTERIOR LIGHTS SYSTEM SHIFT INTERLOCK SYSTEM FEED BACK SIG FOG LAMP RLY CTRL DRV MODE 4 INDICATOR CTRL FRT WINDSHIELD WIPER SW HIGH SIG FUEL DOOR LOCK RLY CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HDLP HIGH BEAM RLY CTRL HDLP LOW BEAM RLY CTRL HEADLAMP HIGH BEAM RELAY CONT HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN DATA BUS (+) 1 HI SPEED GMLAN DATA BUS (-) 1 TRAILER BRAKE APPLY SIG HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CTRL INTERIOR LAMP CTRL KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIG LED AMBIENT LIGHTING CTRL 1 LED BACKLT DIMMING CTRL LEFT FRT TURN SIG LAMP CTRL LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP BULB OUT SIG LEFT PARK LAMP CTRL LEFT REAR STOP/TURN LAMP CTRL LEFT TRAILER TURN SIG LAMP CTRL LIFTGATE AJAR SWITCH SIG 1 LIN BUS 1 LIN BUS 2 LIN BUS 3 LOW SPEED GMLAN SERIAL DATA LT BLU/VIO WIRE PARK LAMP RLY CTRL PARK LOCK SOLENOID CTRL PASSENGER DOOR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM PUSH BUTTON START CHALLENGE ACT SIG RAP RLY COIL CTRL REAR LICENSE LAMP CTRL REAR TURN SIG LAMP FBK SIG REAR WINDOW WASHER RLY CTRL REAR WIPER MTR RLY COIL CTR RED/GRN WIRE RED/WHT WIRE RIGHT FRT TURN SIG LAMP CTRL RIGHT HDLP LOW BEAM CTRL RIGHT HEADLAMP BULB OUT SIG RIGHT PARK LAMP CTRL RIGHT REAR STOP/TURN LAMP CTRL RIGHT TRAILER TURN SIG LAMP CTRL RR CLOSURE HANDLE SW OPEN SIG RR TRN SIG LMP FBK SIG RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STOP LAMP RELAY COIL CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

ACC IGN VOLT ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO B+ VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COLUMN LOCK COMPUTER DATA LINES SYSTEM DRIVER DOOR OPEN SW SIG DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH CHALLENGE ACTIVE SIGNAL INSTRUMENT PANEL KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LIFTGATE SENS LP CTRL LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT SIG HI PASS DR ANT SIG LO PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL REAR BODY FUSE BLOCK REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT SHIFT INTERLOCK SYSTEM SIG GND VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

A/C ON, OFF SWITCH BACK SWITCH BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PPL WIRE BRN/VIO 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 ELEMENT CTRL 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 GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT N/W SERIAL DATA BUS 2 LOW TEMP IND MED TEMP IND NCA WIRE PASS HEATED BACK ELEMENT CTRL 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 RED/GRY WIRE RED/YEL WIRE VIO WIRE VIO/WHT WIRE W/ VENTILATED SEAT W/O VENTILATED SEAT WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE GRN/BLU WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT LEFT STEERING WHEEL CONTROLS SWITCH LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 19 LOGIC ORG/ WIRE PNK LED CTRL WIRE RADIO VOLUME DOWN SIGNAL RED WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BODY CONTROL MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DOME LAMP OFF IND CTRL DRIVE MODE SELECT SWITCH GARAGE DOOR OPENER GRN WIRE GRN/GRY WIRE HEAD HEADLAMP SW PARK LAMP SIG HOT AT ALL TIMES IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL LAMP DIMMER SW SIG INSTRUMENT PANEL LAMP DIMMER SWITCH LOW REFERENCE LED BACK LIGHT DIMMING CONTROL LED BACK LIGHT DIMMING CTRL LOGIC LOW SPD GMLAN SERIAL DATA BATT POS VOLT PARK AUTO OFF PARK BRAKE SWITCH RED/BRN WIRE RED/WHT WIRE SIG GND TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU/YEL WIRE BRN/WHT WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM FRT PARKING LEFT CORNER SENS FRT PARKING LEFT MID SENS FRT PARKING LEFT/RIGHT/MID SENS FRT PARKING RIGHT CORNER SENS FRT PARKING RIGHT MID SENS FRT PARKING SENS LOW REF GRN WIRE GRN/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT REAR MIDDLE PARKING ASSIST SENSOR LEFT REAR OUTER PARKING ASSIST SENSOR LEFT REAR OUTER PARKING ASSIST SENSOR SIG LOW SPD GMLAN SERIAL DATA LR MIDDLE OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE PARKING ASSIST SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR PARK ASSIST DISABLE SIG RED/GRN WIRE RED/GRY WIRE RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER 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 SERIAL DATA 2 SERIAL DATA COMMUNICATION ENABLE LED DISABLE SIG SPLY VOLT 2 UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

ACC IGN VOLT ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO B+ VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COLUMN LOCK COMPUTER DATA LINES SYSTEM DRIVER DOOR OPEN SW SIG DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH CHALLENGE ACTIVE SIGNAL INSTRUMENT PANEL KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LIFTGATE SENS LP CTRL LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT SIG HI PASS DR ANT SIG LO PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL REAR BODY FUSE BLOCK REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT SHIFT INTERLOCK SYSTEM SIG GND VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY 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

5 VOLT REF ABSOLUTE PRESS SENS SIG BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG COOLANT VLV POS SIG COOLING FANS SYSTEM CRANKCASE PRESSURE SENSOR CTRL BANK 1 SENS 1 DRIVE MODE SELECT SWITCH DRIVER MODE SWITCH SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 ENGINE CTRL SENS LO REF 2 ENGINE OIL LEVEL SWITCH FEEDBACK SIG FUEL PRESSURE SENSOR FUEL PRESSURE, TEMPERATURE SENSOR FUEL RAIL PRESSURE SENS SIG GND 4 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 INLET TEMPERATURE SIG LOGIC MODE NCA WIRE OIL LEVEL SWITCH SIG OIL PRESS SENS SIG PRESS SIG PWR MOD WAKE-UP SIG RLY FUSED SPLY 5 SENS 2 SIG SENS LO REF 1 TURBOCHARGER BOOST/INTAKE AIR TEMPERATURE SENSOR VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE