GMC Acadia II facelift (2019-2024) starting/charging system Wiring diagrams

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

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE SW SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD STATUS A SIGNAL HOT AT ALL TIMES HUMIDITY SENS SIG IGNITION 1 VOLT INSTRUMENT CLUSTER SYSTEM INTAKE AIR TEMP SENS SIG LOW REF LOW REF (1) LOW REF 2 MASS AIR FLOW SENS SIG PINION SOL ACTUATOR RELAY CTRL POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RLY COIL CTRL PRIMARY FUEL LEVEL SENSOR REAR BODY FUSE BLOCK RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SENS SIG STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C COMP CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESSURE SENS SIG ACC WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) AUXILIARY COOLANT PUMP RELAY BATT POS VOLT (PINS: 53 TO 55 NOT USED) BATTERY FUSE BLOCK BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRK POSITION SENS SIG BRK VACUUM SENS SIG BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT PUMP RELAY CTRL COOLING FAN CTRL SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV MODE SW SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE IND CTRL FUSED SPLY 1 FUSED SPLY 2 FUSED SPLY 3 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD STATUS A SIGNAL (PINS: 57 TO 59 NOT USED) HOT AT ALL TIMES HUMIDITY SENS SIG 2 IGN MODE SW MODE CTRL BACKUP LOW REF MASS AIR FLOW SENS SIG RED/WHT WIRE RED/YEL WIRE RLY COIL CTRL SIG GND STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE