GMC Acadia I facelift (2013-2016) starting/charging system Wiring diagrams

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

A/C COMPR CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIG PRESS SENS SIG A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION (APP) SENSOR ACCESSORY WAKE UP SERIAL DATA AIR CONDITIONING SYSTEM AIR INLET ABSOLUTE PRESS SENS AIR INLET ABSOLUTE PRESSURE SENS APP SEN SIG 1 APP SENS SIG (2) BATTERY POS VOL BLUNT CUT) BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRK POSITION SENSOR LO REF BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN RLY CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) EVAP CANISTER VENT SOL CTRL EVAP CANISTER VENT SOL CTRL IGN VOL EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE (TOP REAR OF FUEL TANK) FUEL PRESS SENS FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) FUEL TANK PRESSURE SENSOR FUEL TANK PRESSURE SENSOR SIG GRY WIRE GRY/WHT WIRE HI SPD GMLAN DATA BUS - HI SPD GMLAN SERIAL DATA BUS- HI SPD GMLAN SERIAL DATA BUS+ IGN VOL BRK POSITION SENSOR LO REF LOW REF LOW SPEED COOL FAN RLY CTRL LOW SPEED COOLING FAN RLY CTRL LT BLU WIRE LT GRN WIRE MAIN RLY FUSED SPLY 2 MIL CTRL NCA WIRE ORG/BLK WIRE PNK 6 7 WIRE PNK RUN CRANK IGN 1 VOLT BATTERY POS VOL LOW REF WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN MAIN RLY FUSED SPLY (2) STARTER RELAY COIL CONTROL POWERTRAIN RELAY COIL CONTROL POWERTRAIN RELAY COIL CONTROL PWR/TRN RELAY VOLTAGE PPL PPL PRIMARY FUEL LEVEL SENSOR SIG LOW REF PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL LEVEL SENSOR FUEL PUMP, SENDER ASSEMBLY (IN FUEL TANK) PRIMARY FUEL LEVEL SENSOR SIG PRIMARY FUEL PMP RELAY CONTROL PRIMARY FUEL PMP RELAY CTRL PWR/TRN RELAY VOLTAGE RED/WHT WIRE RUN/ CRANK IGN 1 VOLT STARTER RELAY COIL CONTROL STARTING/CHARGING SYSTEM STOP LAMP SWITCH SIGNAL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

5 VOLT REF 4 5-V 1 REF 5-V 1 REF FRP SENS SIG 5-V REF 3 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE) ENGINE OIL LEVEL SWITCH FRP SENS SIG FUEL RAIL PRESSURE (FRP) SENSOR GEN DUTY CYCLE SIG GRY WIRE GRY/WHT WIRE INTAKE AIR TEMP SENS SIG KNOCK SENS 1 SIG KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENS 2 SIG KNOCK SENSOR (KS) 1 KNOCK SENSOR (KS) 2 LOW REF LOW REF BANK 1 SEN 1 LOW REF BANK 1 SEN 2 LOW REF THROTTLE POS SENS SIG 1 LOW REFERENCE LOW REFERENCE TRANSMISSION PARK/ NEUTRAL SIG LT BLU WIRE LT GRN WIRE MAF SENS SIG GENERATOR TURN ON SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP) MAP SENS SIG MAP SENS SIG 5-V REF 3 MULTI-FUNCTION INTAKE AIR SENSOR OIL LEVEL SW SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK GRY/WHT WIRE PNK/BLK ORG/WHT WIRE PNK/BLK WIRE PPL PPL HUMIDITY SENS SIG PPL HUMIDITY SENS SIG TAC MTR CTRL-2 PPL PPL PPL/WHT WIRE PURGE SOLENOID CTRL REF VOLT BANK 1 SEN 1 STARTING/CHARGING SYSTEM TAC MTR CTRL 1 TAC MTR CTRL 2 TAN WIRE TAN/WHT WIRE THROTTLE BODY (TOP REAR OF ENGINE) THROTTLE POS SENS SIG 1 TRANSMISSIONS SYSTEM WHT WIRE YEL WIRE YEL/WHT WIRE