GMC Acadia I facelift (2013-2016) low ref Wiring diagrams

1 2 3 B+ 5-VOLT REF 12 VOLT REFERENCE 1294 833 ELECTRONIC POWER STEERING SYSTEM 5 VOLT REF AUX VAC PUMP FUSE AUXILIARY BRAKE BOOSTER PUMP BLK/WHT WIRE BRAKE BOOSTER PUMP MOTOR RELAY BRAKE PRESSURE MODULATOR (BPM) BRAKE VACUUM SEN SIG BRAKE VACUUM SEN SIG VEHICLE SPEED SIG LOW REFERENCE BRN WIRE CAN BUS HIGH SERIAL DATA CAN BUS LOW SERIAL DATA CAN HI CAN LO COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ELECTRONIC POWER STEERING SYSTEM DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT SIDE OF ENGINE COMPT) ELECTRONIC POWER STEERING SYSTEM EMISSION 2 FUSE FRONT WHEELWELL) GROUND GRY WIRE HI SPD GMLAN SER DATA BUS- HI SPD GMLAN SER DATA BUS- HI SPD GMLAN SER DATA BUS- LOW REFERENCE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LF WSS LO REF LOW REF LOW REFERENCE LR WSS LT BLU WIRE LT GRN/BLK WIRE MULTI-AXIS ACCELERATION SENSOR MULTI-AXIS ACCELERATION SENSOR (BELOW FRONT FLOOR CONSOLE) NCA WIRE ORG/ WIRE RADIO (IF EQUIPPED) RED/BLK WIRE RED/WHT WIRE RF WSS RF WSS RR WSS LOW REF LF WSS RIGHT FRONT WHEEL SPEED SENSOR (WSS) RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT HUB ASSEMBLY) RR WSS STEERING WHEEL SPEED/ POSITION SENSOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT VACUUM ASSIST PUMP RELAY COIL CTRL VARIABLE EFFORT ACTUATOR CTRL VARIABLE EFFORT VOLT VARIABLE EFFORT VOLT LOW REFERENCE VEH SPD VEHICLE SPEED SIG WHT WIRE YEL WIRE YEL/BLK WIRE

13 15 14 17 16 10 SENS SIG SPLY VOLT LOW REF BUS- BUS+ ABS AIR BAG MTR FUSE FUSE ABS IND. ABS MTR FUSE AIR BAG FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (ON RIGHT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/WHT WIRE BUS - BUS+ LO SPD DT SERIAL DATA COMPUTER DATA LINES SYSTEM CTRL CTRL IND DATA DATA BUS + DATA BUS - SENS SIG LOW REF DATA BUS - DATA BUS - DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN IND INSTRUMENT CLUSTER (IC) INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR HUB ASSEMBLY) LO SPD DT SERIAL DATA LOGIC LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK BRAKE SWITCH SIG PNK WIRE PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (WSS) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR HUB ASSEMBLY) SENS SIG SPLY VOLT STOP LAMP SWITCH SIG STOP LAMP SWITCH SIG 57 39 40 48 68 47 STOP LAMP VOLTAGE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCS SIG TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) VOLT VOLT IGN WHT BRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

12 VOLTS REFERENCE 1970 1080 HEADLAMP LOW BEAM RLY CTRL PARK LAMP RELAY CONTROL 746 245 745 RF DOOR AJAR SW SIG PASS DOOR LOCK SW UNLOCK 748 747 RR DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG 91 860 WINDSHIELD WPR SW SIG 2 FRT WINDSHIELD WP SW HI SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM BACKUP LMP VOLTAGE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE CRUISE CONTROL SYSTEM CRUISE CONTROL, TRANSMISSIONS, SOUND SYSTEMS CRUISE CTRL SWITCH SIGNAL CURRENT SENS VOLT CURRENT SENSOR SIGNAL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM DRL SUPPLY VOLTAGE DRV DR LCK SW LCK SIG DRV DR LCK SW UNLCK SIG DRV DR LCK SW UNLCK SIG DRV DR LCK SW LCK SIG DRV DR UNLOCK RLY CTRL EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FLASH TO PASS SW SIG FRT WINDSHIELD WP SW HI SIG GRY WIRE GRY/BLK WIRE HANDLE SW OPEN SIG HAZARD SWITCH SIGNAL HEAD LP DIM SW HI BM SIG HEADLAMP LOW BEAM RLY CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEATED SEAT IND DIMMING HOOD CLOSED SWITCH SIGNAL HORN RELAY CONTROL HORNS SYSTEM HOT AT ALL TIMES IGN II/III/KEY IN IGNITION IGN KEY RESISTOR SIG IGNITION SWITCH IGNITION VOLTAGE INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM INSTRUMENT PNL LP VOLT KEY-IN IGNITION SWITCH L TURN SIG LMP VOLT LED DIMMING SIGNAL LEFT FRONT DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG LEFT TURN SWITCH SIGNAL LH TAIL LP OUTAGE DETECT SIG LH TAIL LP OUTAGE DETECT SIG HORN RELAY CONTROL LIFTGATE AJAR SW SIG LIFTGATE RELAY HIGH CNTRL LOW REF LOW REFERENCE LOW REFERENCE WINDSHIELD WPR SW LO SIG LR STOP/TURN SIG LMP VOLT LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MASTER SW LOCKOUT RR SIG MASTER SW LOCKOUT SIG MASTER SW LR DN SIG MASTER SW LR UP SIG MASTER SW RR DN SIG MASTER SW RR UP SIG MASTER SW RR UP SIG MASTER SW LR DN SIG PPL OFF ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH SIGNAL PARK LAMP RELAY CONTROL PASS DOOR LOCK SW LOCK PASS DOOR LOCK SW UNLOCK PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM EXTERIOR LIGHTS SYSTEM POWER MODE POWER WINDOWS SYSTEM PPL PPL PPL PPL/WHT WIRE REAR WPR/WSR SW SPLY VOLT REMOTE RADIO CNTRL SIG RF DOOR AJAR SW SIG RIGHT TURN SWITCH SIGNAL RR DOOR AJAR SW SIG RR STOP/TURN SIG LMP VOLT RUN WIRE SEATS SYSTEM SOUND SYSTEMS STARTING/CHARGING SYSTEM STEERING WHEEL CNTRL SIG STOP LAMP VOLTAGE STOP LP RLY STOP LP VOLT (OR IGN VOLT) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAP UP/TAP DN SIG TOW/HAUL SWITCH SIGNAL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WPR SW HI SIG WINDSHIELD WPR SW LO SIG WINDSHIELD WPR SW SIG 2 WINDSHIELD WSH SW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS WIPER/WASHER SYSTEMS YEL WIRE YEL/BLK WIRE

42 59 39 40 HI SPD CLG FAN LO SPD CLG FAN SER DATA BUS + SER DATA BUS - 8 24 ECT LOW REF BLK WIRE COMPUTER DATA LINES SYSTEM COOLING FAN SPEED CONTROL RELAY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECT EMISSION 2 FUSE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE) ENGINE COOLANT TEMPERATURE GAUGE FAN 1 FUSE FAN-2 FUSE GRY WIRE HI SPD CLG FAN HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER LEFT COOLING FAN MOTOR LEFT COOLING FAN MOTOR (MOUNTED TO REAR LEFT SIDE OF RADIATOR) LEFT HIGH SPEED COOLING FAN RELAY LO SPD CLG FAN LOGIC LOW REF LT BLU WIRE LT GRN WIRE RED WIRE RIGHT COOLING FAN MOTOR RIGHT COOLING FAN MOTOR (MOUNTED TO REAR RIGHT SIDE OF RADIATOR) RIGHT HIGH SPEED COOLING FAN RELAY SER DATA BUS - TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

2 10 B+ LOW SPEED GMLAN BLK WIRE BLK/ GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LAMP HIGH CTRL COURTESY LAMPS ON COURTESY LAMPS ON SWITCH COURTESY LAMPS VOLT CTSY FUSE DK GRN WIRE DOME OVERRIDE SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR SWITCH PANEL CONTROL MODULE GRY WIRE GRY/BLK WIRE HEADLAMP SWITCH HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INADV/ PWR/LED FUSE INTERIOR LAMP SW SIG LEFT I/P COURTESY LAMP LEFT LIFTGATE COURTESY LAMP LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LF DOOR AJAR SW SIG LIFTGATE AJAR LIFTGATE LATCH ASSEMBLY (W/ MANUAL LIFTGATE) (BOTTOM CENTER OF LIFTGATE) LOGIC LOW REF LOW SPEED GMLAN LR DOOR AJAR SW SIG LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH PANEL CONTROL MODULE PNK/BLK WIRE PPL RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT I/P COURTESY LAMP RIGHT LIFTGATE COURTESY LAMP RIGHT REAR DOOR LATCH ASSEMBLY (REAR RIGHT REAR DOOR) RR DOOR AJAR SW SIG SER DATA SW SIG SWITCH TAN/WHT WIRE W/ DOOR SILL PLATE W/O DOOR SILL PLATE W/ EXPRESS UP/DOWN WINDOWS W/O EXPRESS UP/DOWN WINDOWS YEL WIRE

3 7 LOW REF HEATING ELEMENT VOLT AUTOMATIC A/C MANUAL A/C BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DOOR DR/LCK FUSE DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (ON DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR (W/ MANUAL DRIVER OUTSIDE REARVIEW MIRROR (W/ POWER FOLDING) (ON DRIVER'S DOOR) EXCEPT BUICK BUICK FOLDING) (ON DRIVER'S DOOR) GRID - HEATING ELEMENT VOLT HOT AT ALL TIMES HTD MIR FUSE HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LOGIC LOGIC DRIVER DOOR SWITCH PANEL CONTROL MODULE LOGIC PASSENGER DOOR SWITCH PANEL CONTROL MODULE LOW REF LOW SPEED GMLAN SER DATA LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR (ON FRONT PASSENGER'S DOOR) PASSENGER OUTSIDE REARVIEW MIRROR (W/ MANUAL FOLDING) (ON FRONT PASSENGER'S PASSENGER OUTSIDE REARVIEW MIRROR (W/ POWER FOLDING) (ON FRONT PASSENGER'S DOOR) PDM FUSE PPL REAR DEFOG IND REAR DEFOG SWITCH REAR DEFOGGER REAR DEFOGGER GRID REAR DEFOGGER RELAY REAR DEFOGGER RELAY CTRL REAR DEFOGGER RELAY CTRL REAR DEFOG SWITCH LO SPD GMLAN SER DATA RED/WHT WIRE RR DEFOG FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ MANUAL FOLDING W/ POWER FOLDING WHT WIRE

13 4 MEMORY SW DIMMING LOW REF 2 18 12 11 B+ LED DIMMING SIGNAL 3 2 12 17 INST PANEL LAMP VOLT B+ HEADLAMPS ON HEADLAMPS OFF AUTO BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN/WHT WIRE CLOCK COMPUTER DATA LINES SYSTEM DIMMING SWITCH SIGNAL DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH (IF EQUIPPED) DRIVER SEAT MEMORY SWITCH GMC GMC/ CHEVROLET GRY WIRE HAZARD WARNING SWITCH HEAD HEAD UP DISPLAY (HUD) SWITCH HEAD UP DISPLAY (HUD) SWITCH (IF EQUIPPED) HEADLAMP SWITCH HEADLAMPS OFF HEADLAMPS ON HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROL MODULE (W/ FRONT A/C) I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INAD/PWR/ LED FUSE INST PANEL LAMP VOLT LED AMBIENT LIGHTNING CONTROL 2 LED DIMMING SIGNAL LEFT INSTRUMENT PANEL ACCENT LAMP LEFT STEERING WHEEL CONTROL SWITCH LOGIC LOGIC DRIVER DOOR SWITCH PANEL CONTROL MODULE LOW REF LOW SPEED GMLAN MEMORY SW DIMMING MIDDLE INSTRUMENT PANEL ACCENT LAMP NCA WIRE OFF ORG/WHT WIRE PARK PARK AUTO PPL PPL BUICK, CHEVROLET GMC PPL GMC PPL LED AMBIENT LIGHTNING CONTROL 2 8 21 INST PANEL LAMP VOLT LED DIMMING SIGNAL PPL/WHT WIRE RADIO RED WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT STEERING WHEEL CONTROL SWITCH STEERING WHEEL AIR BAG COIL STR/ WHL/ILLUM FUSE W/ ACCESSORY STEERING WHEEL CONTROL W/O ACCESSORY STEERING WHEEL CONTROL WHT WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) COMPUTER DATA LINES SYSTEM DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DOORS LOCKED DOORS UNLOCK DR LOCK ACTR LOCK CTRL DR LOCK ACTR UNLOCK CTRL DR/LCK FUSE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR SWITCH PANEL CONTROL MODULE GMLAN SER DATA BUS- GROUND GRY WIRE GRY/BLK WIRE HOOD AJAR HOOD AJAR SWITCH HORN RELAY HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK LF DOOR AJAR LIFTGATE AJAR LOCK LOGIC LOW REF LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PARK LAMPS ON PPL HOOD CLOSED PNK/BLK WIRE PPL RED/WHT WIRE RR DOOR AJAR RVC SNSR FUSE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK UNLOCK W/ REMOTE ENGINE START CONTROL WHT WIRE YEL WIRE

AIR BAG FUSE BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DR LOCK ACTR LOCK CRTL DR LOCK ACTR UNLOCK CRTL DRIVER INFORMATION CENTER (DIC) DISPLAY DSPLY FUSE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK IGN VOLT INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LIFTGATE LATCH ASSEMBLY LO SPD GMLAN SER DATA LOCK LOGIC LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH PANEL CONTROL MODULE PDM FUSE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RF DOOR AJAR RIGHT REAR DOOR LATCH ASSEMBLY SECURITY IND SERIAL DATA TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNLOCK W/O POWER LIFTGATE YEL WIRE

16 17 13 15 14 SER DATA BUS+ SER DATA BUS- SENS SIG SPLY VOLT LOW REF 2500 2501 5361 5359 5360 COMPUTER DATA LINES SYSTEM 40 39 47 68 48 SER DATA - SER DATA + 5 VOLT REF LOW REF SEN SIG 5 VOLT REF A/T SHIFT LK CTRL AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES LOW REF ORG/BLK WIRE P/N SIG RED WIRE RED/WHT WIRE RVC SNSR FUSE SEN SIG SENS SIG SER DATA SER DATA BUS - SPLY VOLT TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INTERNAL MODE SWITCH (IMS) TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR (BASE OF SHIFT LEVER) UNDERHOOD FUSE BLOCK WHT DK GRN/ WIRE WHT WIRE YEL WIRE