GMC Acadia I facelift (2013-2016) computer data lines system Wiring diagrams

1 2 B+ LOW REF 1 2 LOW REF BLOWER VOLT 6 5 4 3 2 1 B+ GND AUXILIARY AIR TEMPERATURE DOOR ACTUATOR AUXILIARY AIR TEMPERATURE DOOR ACTUATOR (ON REAR HVAC MODULE) AUXILIARY BLOWER MOTOR (ON REAR HVAC MODULE) AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY BLOWER MOTOR CONTROL MODULE (ON REAR HVAC MODULE) AUXILIARY MODE ACTUATOR (ON REAR HVAC MODULE) AUXILIARY RADIO/HVAC CONTROL BLK WIRE BLOWER MOTOR BLOWER MOTOR (PART OF HVAC MODULE, BEHIND GLOVE BOX) BLOWER MOTOR CONTROL MODULE BLOWER MOTOR CONTROL MODULE (BEHIND GLOVE BOX, IN FRONT OF BLOWER MOTOR) BLOWER SPEED BLOWER SPEED DOWN BLOWER SPEED UP BLOWER VOLT BRN WIRE CHANGE MODE COMPUTER DATA LINES SYSTEM DK GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC BLWR FUSE LO SPD GMLAN LOGIC LOW REF LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK 1 2 WIRE PNK WIRE RED/BLK WIRE RED/WHT WIRE RR HVAC FUSE TEMPERATURE DOWN TEMPERATURE UP UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE

20 21 WINDSHIELD WPR SW SIG 2 WINDSHIELD WPR HI SIG AIR BAG FUSE BATT 3 FUSE BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY FRT/WSW FUSE GRY WIRE HI LO HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) IGN VOL INSTRUMENT CLUSTER LO OFF INT LO WASHER SWITCH INT LOGIC LOW REFERENCE LOW WASHER FLUID IND CTRL LOW WASHER FLUID IND CTRL LOGIC INSTRUMENT CLUSTER LT BLU WIRE LT GRN WIRE MIST OFF ORG/ WIRE PARK PNK WIRE PPL RED/BLK WIRE RED/WHT WIRE SER DATA TAN WIRE TAN/BLK WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) W/ POWER TILT TELESCOPING STEERING COLUMN W/ POWER TILT TELESCOPING STEERING COLUMN TURN SIGNAL/ MULTI-FUNCTION SWITCH W/O POWER TILT TELESCOPING STEERING COLUMN WASHER SWITCH WINDSHIELD WASH RLY CTRL WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SW WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WPR HI SIG WINDSHIELD WPR SW HI SIG WINDSHIELD WPR SW LO WINDSHIELD WPR SW SIG 2 WIPER SWITCH WPR/ WSW FUSE YEL WIRE

16 17 GMLAN + GMLAN - DRL AMBIENT LIGHT SENS SIG 22 21 6 LOW REF 24 8 LOW REF ECT 7 8 9 10 11 12 13 14 15 16 PPL A/C A/C CLUTCH A/C GND A/C PRESSURE A/C REFRIGERANT PRESSURE SENSOR A/C REFRIGERANT PRESSURE SENSOR (NEAR REAR OF A/C COMPRESSOR) AMBIENT AIR TEMP SIG AMBIENT AIR TEMPERATURE SENSOR AMBIENT LIGHT SENSOR AMBIENT LIGHT SENSOR (UNDER CENTER OF DASH, NEAR WINDSHIELD DEFROST VENT) AUX BLOWER SPEED AUX MODE AUX MODE DOOR CTRL AUXILIARY DOOR CTRL AUXILIARY DOOR CTRL AUX BLOWER SPEED BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS SIG ECT ELECTRIC VARIABLE DISPLACEMENT COMPRESSOR SPLY ELECTRIC VARIABLE DISPLACEMENT CTRL 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) GMLAN GRN WIRE GRY WIRE HI SPD CLG FAN HI SPD DATA + HOT AT ALL TIMES HVAC CONTROL MODULE HVAC FUSE I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INDICATOR LO SPD CLG FAN LOGIC LOW REF LOW SPEED GMLAN LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER MODE POWER MODE GND B+ LOW SPEED GMLAN PPL PPL PNK WIRE PPL/WHT WIRE REAR DEFOG REAR WINDOW DEFROST SWITCH RECIRCULATE RECIRCULATE GND RED WIRE RED/WHT WIRE RH AIR TEMP SW SIG RH AIR TEMP SW SIG AUX MODE AUX MODE DOOR CTRL TAN WIRE TAN/BLK WIRE TEMPERATURE TEMPERATURE GND WHT WIRE YEL WIRE

AIR TEMPERATURE DOOR AIR TEMPERATURE DOOR ACTUATOR BLOWER SPEED BLOWER SPEED MODE DOOR CTRL TEMPERATURE DOOR CTRL BRN WIRE COMPUTER DATA LINES SYSTEM DEFROST MODE DEFROST MODE DEFROST/FLOOR MODE FLOOR MODE FLOOR/VENT MODE VENT MODE DEFROST/FLOOR MODE DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COOLANT TEMPERATURE GAUGE EVAPORATOR TEMPERATURE SENSOR EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF HVAC MODULE) FLOOR MODE FLOOR/VENT MODE GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT CLUSTER LOGIC LOGIC INSTRUMENT CLUSTER LOW REF LT GRN WIRE LT GRN/WHT WIRE MODE ACTUATOR MODE DOOR CTRL MODE MOTOR VOLT MODE MOTOR VOLT TEMPERATURE VOLT LOW REF MODE POS MODE POS RECIRCULATION POS BLOWER SPEED MODE DOOR CTRL ORG/ WIRE PPL RECIRCULATION ACTUATOR RECIRCULATION DOOR A RECIRCULATION DOOR A TEMPERATURE A LOW REF LOW REF RECIRCULATION DOOR CTRL B RECIRCULATION DOOR CTRL B AIR TEMPERATURE DOOR RECIRCULATION POS TAN WIRE TAN/BLK WIRE TEMPERATURE A TEMPERATURE DOOR CTRL TEMPERATURE POS TEMPERATURE POS TEMPERATURE SENS SIG MODE DOOR CTRL TEMPERATURE SENS SIG TEMPERATURE VOLT VENT MODE WHT WIRE WHT/BLK WIRE YEL WIRE

116 115 (OR 1999) (OR 1946) 199 46 (OR 599) (OR 546) 372 388 6131 SATELLITE RADIO CIRCUIT 8 1 2 814 1406 1405 DRAIN WIRE AUDIO SIG PLAYBACK DEVICE ANTENNA AUDIO COM SIG AUDIO SIG PLAYBACK DEVICE AUXILIARY RADIO/ HVAC CONTROL BLK/WHT WIRE BLU DK WIRE BLU WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CNTRL SIG COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SYSTEM CTRL SIG DATA BUS - DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LED DIMMING SIG LEFT AUDIO SIG LEFT AUDIO SIG (-) RIGHT AUDIO SIG (-) DRAIN WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RIGHT FRONT TWEETER DOOR SPEAKER SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER OUT - LH AUDIO SIG LH AUDIO SIG (+) LH AUDIO SIG LOW REF LOW SERIAL DATA LR SPEAKER OUT (+) RR SPEAKER OUT (+) AUDIO SIG LR SPEAKER OUT (-) RR SPEAKER OUT (-) AUDIO COMMON SIG LR SPEAKER OUT - LT BLU (OR TAN) WIRE LT BLU WIRE LT GRN WIRE MUTE NCA WIRE NEXT ORG/BLK WIRE PNK 40 41 WIRE PNK 5149 5152 6 12 AUDIO SIG LOW REF WIRE PNK AUDIO SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL CONTROL SYSTEM PPL PPL TRANSMISSIONS SYSTEM PPL/WHT WIRE PREVIOUS RADIO RADIO ANTENNA RADIO ON RDO FUSE REAR SEAT AUDIO CONTROL MODULE RED/WHT WIRE REMOTE ENABLE SIG REMOTE SIG RF SPEAKER OUT (+) VOICE RECOG AUD SIG RF SPEAKER OUT - RH AUDIO SIG RIGHT AUDIO SIG RIGHT AUDIO SIG (-) DRAIN WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RIGHT STEERING WHEEL CONTROL SWITCH (W/ ACCESSORY STEERING WHEEL CONTROL) RR SPEAKER OUT (+) AUDIO SIG RR SPEAKER OUT (-) AUDIO COMMON SIG SATELLITE RADIO CIRCUIT SEEK SOURCE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (W/ ONSTAR) TRANSMISSIONS SYSTEM VOICE REC VOL DOWN VOL UP W/ ACCESSORY STEERING WHEEL CONTROL W/ ACCESSORY STEERING WHEEL CONTROL W/O ACCESSORY STEERING WHEEL CONTROL W/ ONSTAR W/ REAR SEAT RADIO CONTROLS W/ REDUNDANT RADIO, REAR CARGO CONTROL W/O REAR SEAT RADIO CONTROLS WHT WIRE YEL WIRE

1 1 1 CENTER SPEAKER LOW SBFR SPEAKER LOW DRAIN WIRE PNK 6 12 AUDIO SIG LOW REF 6972 6973 NAVIGATION SYSTEM 8 1 2 DRAIN WIRE AUDIO SIG PLAYBACK DEVICE AUD COMMON AUD SIG AUDIO SIG + AUDIO SIG PLAYBACK DEVICE AUXILIARY AUDIO JACK AUXILIARY AUDIO JACK (W/ USB) AUXILIARY AUDIO JACK NAVIGATION ANTENNA RADIO ANTENNA BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMERA SIG (-) CENTER SPEAKER HIGH CENTER SPEAKER LOW CIRCUIT COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT SIDE OF ENGINE COMPT) ENABLE SIG GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LED DIMMING SIG LEFT AUD SIG LEFT AUDIO SIG LEFT AUX SIG LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LF LO LVL AUD SIG (+) LF LO LVL AUD SIG (+) VOICE RECOG AUD SIG LOW REF LOW SERIAL DATA LR LO LVL AUD SIG (+) LR LO LVL AUD SIG (-) RR LO LVL AUD SIG (-) AUDIO COMMON SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MUTE NAVIGATION ANTENNA NAVIGATION ANTENNA (BEHIND RIGHT SIDE OF DASH) NAVIGATION SYSTEM NCA WIRE ON RADIO ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 16 17 18 PPL/WHT WIRE RADIO RADIO ANTENNA RDO FUSE RED/WHT WIRE REMOTE ENABLE SIG REMOTE INFRA SIG (+) VIDEO BRIGHT CTRL REMOTE INFRA SIG (-) DRAIN WIRE RF LO LVL AUD SIG (+) RF LO LVL AUD SIG (-) DRAIN WIRE RIGHT AUD SIG (+) AUDIO SIG RIGHT AUDIO SIG (-) DRAIN WIRE RIGHT AUX SIG RR LO LVL AUD SIG (-) AUDIO COMMON SIG SATELLITE RADIO CIRCUIT SBFR SPEAKER HIGH SBFR SPEAKER LOW TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB CABLE USB CABLE COAX USB CABLE USB VEH SIG VEHICLE SPEED SIGNAL VIDEO DISPLAY VIDEO MODULE SIG VIDEO SIG (+) AUX HIGH SIG VIDEO SIG (-) DRAIN WIRE VIDEO SYSTEM VIDEO SYSTEM CIRCUIT W/ ONSTAR W/ RSE W/ SURROUND AMPLIFIER WHT WIRE WHT/BLK WIRE YEL WIRE

AMP FUSE AUD SIG AUDIO SIG + AUXILIARY RADIO/ AUXILIARY RADIO/ HVAC CONTROL BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMMON SIG COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE EXCEPT BUICK BUICK GROUND GRY WIRE HOT AT ALL TIMES HVAC CONTROL I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) INFOTMNT FUSE IR SUP VOLT LED DIM SIG LR LO LVL (-) LR LO LVL AUD SIG (+) LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PANEL) PNK WIRE PPL PPL 16 17 18 PPL/WHT WIRE RED/WHT WIRE RH AUDIO SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RR LO LVL (-) RR LO LVL AUD SIG (+) SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT WIRE

1 2 3 4 5 6 7 8 LF SPKR OUTPUT (-) AUDIO AMPLIFIER AUDIO AMPLIFIER (UNDER LEFT SIDE OF DASH) AUDIO AUDIO SIG (+) AUDIO SIG (+) AUDIO AUDIO SIG + BLK WIRE BLK/WHT WIRE BLU DK WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) BRN WIRE BRN/WHT WIRE BUICK EXCEPT BUICK CENTER I/P SPEAKER CNTRL SIG COMMON COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SYSTEM CTRL SIG DATA BUS - DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRT CENTER SPKR OUTPUT (+) GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER INFRARED TRANSMITTER (W/ RSE) IR AUDIO IR REMOTE IR SUP VOLT LEFT REAR LEFT REAR COMPARTMENT SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RIGHT REAR DOOR SPEAKER COMPARTMENT SPEAKER LF LO LVL AUD SIG (+) LF LO LVL AUD SIG (-) ENT REMOTE ENABLE SIG LF SPKR OUTPUT (+) LOW REF LR LO LVL AUD SIG (+) LR MID SPKR OUTPUT (+) LR SPKR OUTPUT (+) LR SPKR OUTPUT (-) LR SPKR OUTPUT (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MUTE MUTE SIG NCA WIRE NEXT ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL CONTROL SYSTEM PPL PPL TRANSMISSIONS SYSTEM PPL/WHT WIRE PREVIOUS REAR SEAT AUDIO CONTROL MODULE RED/WHT WIRE REMOTE SIG RF LO LVL AUD SIG (+) RF SPKR OUTPUT (+) RIGHT REAR COMPARTMENT SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RR LO LVL AUD SIG (+) RR SPKR OUTPUT (+) SEEK SHIELD SIG SOURCE SUBWOOFER CENTER I/P SPEAKER SPEAKER COMPARTMENT SPEAKER SUBWOOFER LO LVL AUD (-) SUBWOOFER SPEAKER SUBWOOFER SPKR OUTPUT (+) GND SUBWOOFER SPKR OUTPUT (-) B+ SUBWOOFER SPKR OUTPUT (-) B+ LF SPKR OUTPUT (+) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VOICE REC VOL DOWN VOL UP VOLUME DOWN VOLUME UP W/ ACCESSORY STEERING WHEEL CONTROL W/ REDUNDANT (IN INSTRUMENT RADIO, REAR PANEL HARNESS, CARGO CONTROL W/ REDUNDANT RADIO, REAR CARGO CONTROL W/ RSE W/O ACCESSORY STEERING WHEEL CONTROL WHT WIRE YEL WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 B+ ANTENNA SIG BLK/WHT WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DIGITAL RADIO RECEIVER DIGITAL RADIO RECEIVER (BEHIND LEFT REAR INTERIOR TRIM PANEL) DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK INFOTMNT FUSE L AUD SIG L AUD SIG (-) DRAIN WIRE L AUDIO SIG (+) NCA WIRE R AUD SIG R AUDIO SIG (+) RADIO RADIO ANTENNA RED WIRE RED/WHT WIRE SERIAL DATA SERIAL DATA R AUD SIG (-) R AUD SIG (+) L AUD SIG (+) L AUD SIG (-) TAN/WHT WIRE WHT WIRE

AUDIO/VIDEO INPUT ADAPTER AUX AUDIO AUX AUDIO LH SIG AUX AUDIO RH SIG AUX VIDEO - BLK/WHT WIRE BRIGHT CTRL COMPUTER DATA LINES SYSTEM DK GRN WIRE DRAIN WIRE DRAIN WIRE PPL AUX VIDEO HI SIG DVD VIDEO SIG (+) ENABLE SIG GROUND GROUND DISTRIBUTION SYSTEM HIGH SIG HOT AT ALL TIMES I/P FUSE BLOCK INFOTMNT FUSE LEFT SIG (-) LT GRN/BLK WIRE NCA WIRE PNK/BLK WIRE PPL RADIO RADIO CIRCUIT RADIO ON RED/WHT WIRE RIGHT SIG SERIAL DATA VIDEO BRIGHT CTRL VIDEO DISPLAY VIDEO DRAIN WIRE VIDEO MOD SIG VIDEO MODULE SIG VIDEO SIG WHT WIRE WHT/BLK WIRE YEL WIRE