GMC Acadia I facelift (2013-2016) engine controls system Wiring diagrams

12 VOLT REFERENCE A/T SHIFT LCK CTRL VOLT ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATTERY BATTERY POSITIVE VOLTAGE BCK/UP/ STOP FUSE BCM FUSE BLK WIRE BLK/WHT WIRE BRK LP SNSR SIG BRN WIRE BRN/WHT WIRE COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COURTESY LAMP HIGH CNTRL COURTESY LAMPS SW ON SIG COURTESY LAMPS VOLT CRUISE CONTROL SYSTEM CRUISE CTRL IND DIM SIG CTSY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS SIG DRL AMBIENT LIGHT SENS SIG HEADLAMPS ON SIGNAL ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM FOG LAMP RELAY CONTROL FOG LAMPS ENABLE FOG LAMPS ENABLE CRUISE CTRL IND DIM SIG LED AMB LT CTRL 2 GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE HEADLAMP LO BEAM VOLT HEADLAMP RLY CTRL HEADLAMPS OFF SIGNAL HEADLAMPS OFF SIGNAL COURTESY LAMPS SW ON SIG HEADLAMPS ON SIGNAL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM CRUISE CONTROL SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HIGH SPD SER DATA BUS - HOOD AJAR SWITCH SIG HOT AT ALL TIMES HOT AT ALL TIMES BCK/UP/ STOP FUSE HOT AT ALL TIMES INADV/ PWR/LED FUSE HOT AT ALL TIMES LT/TRN/ SIG FUSE HOT AT ALL TIMES RT/TRN/ SIG FUSE HVAC FUSE I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGNITION VOLTAGE INADV/ PWR/LED FUSE INSTRUMENT DIM PNL SW SIG INSTRUMENT PNL VOLT INTERIOR LAMP SW SIG INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LED AMB LT CTRL 2 LED DIMMING SIG LH TRAILER TURN SIG LAMP LIFTGATE RLY COIL CTRL LIN BUS LOW REFERENCE LOW SPD GMLAN SER DATA LT BLU WIRE LT GRN/BLK WIRE LT/TRN/ SIG FUSE ORG/ WIRE ORG/WHT WIRE PNK IGNITION VOLTAGE LIFTGATE RLY COIL CTRL HEADLAMP LO BEAM VOLT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL INTERIOR LAMP SW SIG PPL/WHT WIRE REAR PARK LAMPS VOLT RED WIRE RED/WHT WIRE RF TURN SIG IND LAMP VOLT RH TAIL LP OUTAGE DETECT SIG RH TRAILER TURN SIG LAMP RT/TRN/ SIG FUSE RVC SNSR FUSE SHIFT INTERLOCK SYSTEM SPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SWITCH SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM HEADLIGHTS SYSTEM UNDERHOOD FUSE BLOCK WHT WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER RLY CTRL HEADLAMP RLY CTRL HOOD AJAR SWITCH SIG WIPER MTR PARK SW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE

7 8 9 WIPER/WASHER SYSTEM ABS IND. AIR BAG IND ALERT LED CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (ON RIGHT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRAKE WARNING IND CTRL BRAKE WARNING IND CTRL ALERT LED CTRL BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM NAVIGATION SYSTEM CRUISE IND DIC SELECT MENU SWITCH SIGNAL DIC SWITCH SIGNAL DIMMING CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER INFORMATION CENTER (DIC) SWITCH DSPLY FUSE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FRONT FOG LAMPS IND FUEL GAUGE GROUND GRY/WHT WIRE GRY/YEL WIRE HIGH BEAM IND HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN VOLT IGN VOLT MIL CONTROL ILLUMINATION INSTRUMENT CLUSTER LANE DEPARTURE WARNING DISABLED SWITCH LANE DEPARTURE WARNING IND LEFT TURN IND LOGIC LOW ENGINE OIL PRESSURE IND LOW FUEL WARNING LAMP IND LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL MALFUNCTION IND LAMP MIL CONTROL MIL CTRL NAVIGATION SYSTEM PASSENGER AIR BAG IND (USA) PASSENGER AIR BAG OFF PASSENGER AIR BAG OFF IND PASSENGER AIR BAG OFF LOW WASHER FLUID IND CTRL PASSENGER AIR BAG ON PASSENGER AIR BAG ON IND PASSENGER SEAT BELT IND PERSONA- LIZATION PNK 893 1358 3 4 5 WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 5234 2307 2308 PPL/WHT WIRE PRNDL RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SEAT BELT IND PPL SECURITY IND SET/ RESET SET/ RESET PNK WIRE SPEEDOMETER TACHOMETER TAN WIRE TAN/WHT WIRE TOW/HAUL IND TRACTION IND TRIP/ FUEL VEHICLE INFORMATION VOLTMETER WHT WIRE WHT/LT GRN WIRE WIPER/WASHER SYSTEM

1 2 3 4 POWER GND LIN NETWORK 14 15 RR DOOR AJAR LR DOOR AJAR 16 17 SER DATA GMLAN+ SER DATA GMLAN- 2500 2501 COMPUTER DATA LINES SYSTEM 29 PNK WIRE AIR BAG FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE BUS - COMPASS MODULE (W/ COMPASS DISPLAY) (ABOVE REAR CENTER OF HEADLINER) COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH DRIVER DOOR LATCH (W/O EXPRESS UP/ DOWN WINDOWS) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE (EOP) SWITCH ENGINE OIL PRESSURE (EOP) SWITCH (LOWER LEFT FRONT OF ENGINE) FUEL PUMP, SENDER ASSEMBLY FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GND LIN NETWORK BUS GRY WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT REAR DOOR LATCH LF DOOR AJAR LIFTGATE AJAR LIFTGATE AJAR 10 8 LF DOOR AJAR RF DOOR AJAR LIFTGATE LATCH ASSEMBLY LIFTGATE LATCH ASSEMBLY (W/ MANUAL LIFTGATE) (BOTTOM CENTER OF LIFTGATE) LIN NETWORK BUS LOW REFERENCE LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE OIL LEVEL SW SIG OIL PRES SW SIG ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH PASSENGER DOOR LATCH (W/O EXPRESS UP/ DOWN WINDOWS) PNK WIRE PNK/BLK WIRE POWER POWER MODE PPL PPL 25 26 39 40 FUEL LEVEL LOW REFERENCE SER DATA BUS+ SER DATA BUS- PPL FUEL LEVEL PRK BRK SW SIG RED/WHT WIRE RF DOOR AJAR RR DOOR AJAR SER DATA BUS - SER DATA GMLAN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ MANUAL LIFTGATE W/O EXPRESS UP/ DOWN WINDOWS