GMC Acadia I facelift (2013-2016) underhood fuse block (above right front wheelwell) Wiring diagrams

2500 2501 COMPUTER DATA LINES SYSTEM BACKUP LAMP VOLT BCK/UP/STOP FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LEFT BACKUP LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LT GRN WIRE ORG/BLK WIRE PARK/ NEUTRAL SIG RED WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY SERIAL DATA BUS (+) SERIAL DATA BUS (-) SERIAL DATA BUS- SIG A SIG B SIG C SIG P TAN WIRE TAN/BLK WIRE TRAILER BACKUP LAMP RELAY TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ TRAILER PROVISION WHT WIRE YEL WIRE

10 9 B+ GND 39 40 2500 2501 HI SPD GMLAN + HI SPD GMLAN - 53 55 225 23 GENERATOR TURN ON GENERATOR FIELD 9 10 8 CURRENT SENS SIG LOW REF SPLY VOLT AIR BAG FUSE BATTERY BATTERY CURRENT SENSOR BATTERY CURRENT SENSOR (BEHIND FRONT PASSENGER'S SEAT) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CURRENT SENS SIG DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GENERATOR GENERATOR FIELD GENERATOR FUSE HOLDER GENERATOR FUSE HOLDER (NEAR GENERATOR) GENERATOR TURN ON GRY WIRE HI SPD GMLAN HI SPD GMLAN HI SPD GMLAN HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INSTRUMENT CLUSTER LOGIC LOW REF LOW REF PNK SPLY VOLT WIRE ORG/ WIRE PNK SPLY VOLT LOW REF CURRENT SENS SIG WIRE PNK SPLY VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/WHT WIRE RVC SNSR FUSE STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) VOLT WHT WIRE

12 VOLT REF 2 3 LO SER DATA HI SER DATA 26 14 SER DATA BUS+ SER DATA BUS- 37 24 12 32 1 HI SER DATA LO SER DATA LOW REF 12-VOLT REF B+ 5 28 38 VAR HIGH EFFORT VAR LOW EFFORT GROUND ABS MTR FUSE AIR BAG FUSE ANTI-LOCK BRAKES SYSTEM BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT SIDE OF ENGINE COMPT) GMLAN SERIAL DATA GROUND HI SER DATA HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN INSTRUMENT CLUSTER LO SER DATA LOGIC LOGIC COMPUTER DATA LINES SYSTEM LOW REF LT BLU WIRE LT GRN/BLK WIRE PNK IGN GMLAN WIRE PNK WIRE RED/BLK WIRE SER DATA BUS - SERIAL DATA STEERING WHEEL ANGLE SENSOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) VAR HIGH EFFORT VAR LOW EFFORT VARIABLE POWER STEERING SOLENOID VALVE WHT WIRE

1 2 3 4 5 B+ B+ B+ B+ RH TURN SIG IND LAMP VOLT 1 2 3 4 PPL 15 16 19 LEFT TURN SIG RIGHT TURN SIG HAZARD SW SIG 5-VOLT REFERENCE 5382 5381 5380 68 47 48 LOW REFERENCE 5 VOLT REFERENCE SENSOR SIGNAL AUTO BCK/UP/STOP FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM CTSY FUSE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRY WIRE HAZARD SW SIG HAZARD WARNING SWITCH HEAD HEADLAMP SWITCH HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN VOLTAGE LEFT TURN SIG LEFT TURN SIG IND LAMP VOLT LOGIC LOGIC RIGHT TAIL LAMP ASSEMBLY LOW REFERENCE LR STOP/TURN LAMP VOLT LT BLU WIRE LT BLU/WHT WIRE LT/TRN/SIG FUSE MAF SENSOR SIG NCA WIRE OFF OUTAGE DETECTION SIGNAL PARK PARK HEAD PARK LAMP RLY CTRL PARK LAMPS VOLT PPL RED/WHT WIRE RH TURN SIG IND LAMP VOLT RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/ STOP, TURN SIG LAMP RIGHT TURN SIG RR STOP/TURN LAMP VOLT RT/TRN/SIG FUSE SENSOR SIG SENSOR SIGNAL SENSOR SPLY VOLT SERIAL DATA BUS- STOP LAMP VOLTAGE SWITCH SIGNAL 2 TAN WIRE TAN/BLK WIRE TRAILER PROVISION (BLUNT CUT) (IF EQUIPPED) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE YEL WIRE YEL/BLK WIRE

AIR BAG FUSE BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR (ON DRIVER'S DOOR) GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN VOLT INSTRUMENT CLUSTER LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT LICENSE PLATE LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP LEFT TAIL/ STOP, TURN SIG LAMP LEFT TURN IND LOGIC LOGIC LEFT TAIL LAMP ASSEMBLY LOW SPEED GMLAN LT BLU/WHT WIRE LT PRK FUSE NCA WIRE PARK LAMP RELAY PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR (ON FRONT PASSENGER'S DOOR) PNK IGN VOLT WIRE PNK WIRE PPL RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT LICENSE PLATE LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY RIGHT TAIL LAMP RIGHT TURN IND RT PRK FUSE TRAILER TOW CIRCUIT TRLR PRK LAMP FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ MANUAL FOLDING W/ POWER FOLDING WHT WIRE YEL WIRE YEL/BLK WIRE

3 4 5 6 7 PNK WIRE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE AC CLTCH FUSE BLK WIRE BLK/WHT WIRE COOLING FAN SPEED CONTROL RELAY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EMISSION 2 FUSE FAN 1 FUSE FAN-2 FUSE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LEFT COOLING FAN MOTOR LEFT COOLING FAN MOTOR (MOUNTED TO REAR LEFT SIDE OF RADIATOR) LEFT HIGH SPEED COOLING FAN RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK 4 5 WIRE PNK WIRE PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE RIGHT COOLING FAN MOTOR RIGHT COOLING FAN MOTOR (MOUNTED TO REAR RIGHT SIDE OF RADIATOR) RIGHT HIGH SPEED COOLING FAN RELAY UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE YEL WIRE

2 4 IGN IGN KEY RESIS SIG 447 2500 2501 COMPUTER DATA LINES SYSTEM 63 39 40 RLY COIL CTRL HI SPD GMLAN + HI SPD GMLAN - 8 9 HI SPD GMLAN HI SPD GMLAN AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BATTERY CURRENT SENSOR (BEHIND FRONT PASSENGER'S SEAT) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN IGN IGN KEY RESIS SIG IGNITION SWITCH LOW REF MODE SWITCH (IMS) OF ENGINE) OFF ORG/BLK WIRE P/N SW POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLK WIRE RLY COIL CTRL RUN WIRE STARTER MOTOR STARTER RELAY STRTR FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 LOW SPEED GMLAN 1-2, 3-4, 5-6, 7-8) AIR BAG FUSE AIR BAG IND BAG OFF BAG OFF PASS AIR BAG ON BATT POSITIVE VOLT BELT IND BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY GMLAN GMLAN LOW SPEED GROUND GRY WIRE HOT AT ALL TIMES HOT IN ON OR START I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) I/P MOD HI CTRL STAGE 1 I/P MOD HI CTRL STAGE 2 I/P MOD LO CTRL STAGE 1 I/P MOD LO CTRL STAGE 2 IGN VOLT IND CTRL IND CTRL BAG ON PASS AIR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER FLOOR CONSOLE) INSTRUMENT CLUSTER LEFT FRONT IMPACT SENSOR LINES SYSTEM LINES SYSTEM COMPUTER DATA LO SPD GM LAN SERIAL DATA LOGIC LOW SPEED LOW SPEED GMLAN NCA WIRE ORG/ WIRE PASS AIR PASS SEAT PASS SEAT BELT IND PASSENGER AIR BAG DISABLE INDICATOR PASSENGER AIR BAG IND PASSENGER AIR BAG IND (USA) PASSENGER AIR BAG OFF IND PASSENGER AIR BAG OFF IND PASSENGER AIR BAG ON IND PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE MODULE PNK POWER DISTRIBUTION WIRE PNK WIRE POWER DISTRIBUTION PPL RED/WHT WIRE RIGHT FRONT IMPACT SENSOR SEAT BELT IND SEAT BELT IND PPL SHORTING BAR STEER WHL HI CTRL STAGE 1 STEER WHL HI CTRL STAGE 2 STEER WHL LO CTRL STAGE 1 STEER WHL LO CTRL STAGE 2 STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE TAN/ORG WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) USA WHT WIRE YEL WIRE

13 12 LEFT TRAILER TURN SIG LAMP RIGHT TRAILER TURN SIG LAMP 16 17 DATA BUS+ DATA BUS- BACKUP LAMP VOLTAGE BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES I/P LAMP VOLT LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LEFT TRAILER TURN SIG LAMP LT GRN WIRE LT TRLR STOP/TRN FUSE ORG/ WIRE PARK LAMP RELAY RED WIRE RED/BLK WIRE RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY RIGHT TRAILER TURN SIG LAMP RT TRLR STOP/TRN FUSE STOP LAMP SUPPLY VOLTAGE STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRAILER CONNECTOR (IF EQUIPPED) TRAILER PROVISION TRAILER PROVISION (BLUNT CUT) (IF EQUIPPED) TRLR BCK/UP FUSE TRLR BRK FUSE TRLR PRK LAMP FUSE TRLR PWR FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE YEL WIRE

8 14 15 RF DOOR AJAR SW SIG RR DOOR AJAR SW SIG LR DOOR AJAR SW SIG AIR BAG FUSE AUTO BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SIGNAL BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (ON RIGHT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER DOOR SWITCH PANEL CONTROL MODULE (W/ EXPRESS UP/DOWN WINDOWS) DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH GRY WIRE GRY/BLK WIRE HEAD HEADLAMP SWITCH HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN II/III/KEY IN IGN IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER FLOOR CONSOLE) INSTRUMENT CLUSTER KEY-IN IGNITION SWITCH LEFT REAR DOOR LATCH (REAR OF LEFT REAR DOOR) LEFT SEAT BELT SW SIG LF DOOR AJAR SW SIG LOGIC LOW OIL PRESSURE IND LOW REF LOW SPD GMLAN SER DATA LOW SPEED GMLAN SERIAL LOW TIRE PRESSURE IND LR DOOR AJAR SW SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE OFF OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE PARK PARK BRAKE SW SIG PARK BRAKE SWITCH PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER AIR BAG DISABLED INDICATOR PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH PANEL CONTROL MODULE PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT IND PASSENGER SEAT BELT IND PPL PASSENGER SEAT BELT SWITCH PNK LOW REF WIRE PNK WIRE PPL PWR MODE FUSE RADIO REAR PRK LPS SPLY VOLT RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH (REAR RIGHT REAR DOOR) RIGHT SEAT BELT SW SIG RR DOOR AJAR SW SIG RUN WIRE SEAT BELT IND SER DATA SW SIG TAN/WHT WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ EXPRESS UP/DOWN WINDOWS W/O EXPRESS UP/DOWN WINDOWS WHT WIRE YEL WIRE