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

3 8 7 5 GROUND GROUND DATA B+ 5 2 7 8 B+ DATA DATA GROUND BLIND SPOT IND BLK WIRE COMPUTER DATA LINES SYSTEM DATA DK GRN WIRE DRIVER DOOR SWITCH PANEL CONTROL MODULE DRIVER OUTSIDE REARVIEW DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR GLASS FUSE GMLAN GROUND HOT AT ALL TIMES HOT AT ALL TIMES RPA/ SBZA/ UGO INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND RIGHT END OF DASH) LEFT SIDE OBJECT SENSOR MIRROR GLASS DRIVER OUTSIDE REARVIEW MIRROR (ON DRIVER'S DOOR) MIRROR GLASS PASSENGER OUTSIDE REARVIEW MIRROR (ON FRONT PASSENGER'S DOOR) PASSENGER DOOR SWITCH PANEL CONTROL MODULE PASSENGER OUTSIDE REARVIEW PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR GLASS PNK LED SIG WIRE PNK WIRE PNK/BLK WIRE RED/WHT WIRE RIGHT SIDE OBJECT SENSOR RPA/ SBZA/ UGO FUSE SIG RTN

1 4 5 GND GND B+ 3 5 PNK WIRE 5475 PNK 2435 WIRE BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DR/LCK FUSE DR/LCK PDM FUSE FUSE DRIVER BACK HEATED SEAT ELEMENT DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER BACK SEAT BLOWER ASSEMBLY DRIVER CUSHION HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) DRIVER CUSHION SEAT BLOWER ASSEMBLY DRV HTD SEAT BACK ELEMENT VOLT GRY WIRE HOT AT ALL TIMES HTD SEAT CUSHION ELEMENT CTRL HTD SEAT CUSHION TEMP SENS SIG HTD/SEAT FUSE I/P FUSE BLOCK I/P FUSE BLOCK (BEHIND RIGHT END OF DASH) LEFT HTD/COOLED SEAT MODE SIG LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT/PWR/SEAT CIRCUIT BREAKER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) NCA WIRE ORG/ WIRE ORG/WHT WIRE PASS HTD SEAT CUSHION TEMP SENS SIG PASS HTD SEAT ELEMENT CTRL PASS HTD SEAT ELEMENT VOLT PASSENGER BACK HEATED SEAT ELEMENT PASSENGER BACK HEATED SEAT ELEMENT (IN FRONT PASSENGER'S SEAT BACK) PASSENGER BACK SEAT BLOWER ASSEMBLY PASSENGER CUSHION HEATED SEAT ELEMENT PASSENGER CUSHION HEATED SEAT ELEMENT (IN FRONT PASSENGER'S SEAT CUSHION) PASSENGER CUSHION SEAT BLOWER ASSEMBLY PDM FUSE PNK WIRE PPL PPL DRV HTD SEAT BACK ELEMENT VOLT HTD SEAT CUSHION ELEMENT CTRL RED WIRE RED/WHT WIRE RIGHT HTD/COOLED SEAT MODE SIG SEAT BACK TEMP SENS SIG SEAT CUSHION TEMP SENS SIG SEAT CUSHION TEMP SENS SIG 2425 PNK 2426 WIRE TAN WIRE WHT WIRE YEL WIRE YEL/BLK 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

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER HEATED SEAT CONTROL MODULE (UNDER DRIVER'S SEAT) DRV BACK CUSHION HEAT DRV BACK CUSHION HEAT IND DRV BACK HEAT DRV BACK HEAT IND DRV HEAT ELEMENT VOLT DRV HIGH HEAT IND DRV LOW HEAT IND DRV MEDIUM HEAT IND DRV SEAT BACK HEAT DRV SEAT BACK TEMP GRN WIRE GROUND GRY WIRE HEATED SEAT BACK TEMP HEATED SEAT CUSHION HOT AT ALL TIMES HTD/COOL SEAT FUSE I/P FUSE BLOCK LF CUSHION TEMP LOW REF LOW SPEED GMLAN LT BLU WIRE LT GRN WIRE PASS BACK CUSHION HEAT PASS BACK CUSHION HEAT IND PASS BACK HEAT PASS BACK HEAT IND PASS CUSHION HEAT PASS CUSHION TEMP PASS HEAT ELEMENT VOLT PASS HIGH HEAT IND PASS LOW HEAT IND PASS MEDIUM HEAT IND PASS SEAT BACK HEAT PASSENGER BACK HEATED SEAT ELEMENT PNK WIRE PPL PPL PNK WIRE RED/WHT WIRE TAN WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER HEATED SEAT CONTROL MODULE (UNDER DRIVER'S SEAT) DRV BACK CUSHION HEAT DRV BACK CUSHION HEAT IND DRV BACK HEAT DRV BACK HEAT IND DRV HEAT ELEMENT VOLT DRV HIGH HEAT IND DRV LOW HEAT IND DRV MEDIUM HEAT IND DRV SEAT BACK HEAT DRV SEAT BACK TEMP GRN WIRE GROUND GRY WIRE HEATED SEAT BACK TEMP HEATED SEAT CUSHION HOT AT ALL TIMES HTD/COOL SEAT FUSE I/P FUSE BLOCK LF CUSHION TEMP LOW REF LOW SPEED GMLAN LT BLU WIRE LT GRN WIRE PASS BACK CUSHION HEAT PASS BACK CUSHION HEAT IND PASS BACK HEAT PASS BACK HEAT IND PASS CUSHION HEAT PASS CUSHION TEMP PASS HEAT ELEMENT VOLT PASS HIGH HEAT IND PASS LOW HEAT IND PASS MEDIUM HEAT IND PASS SEAT BACK HEAT PASSENGER BACK HEATED SEAT ELEMENT PNK WIRE PPL PPL PNK WIRE RED/WHT WIRE TAN WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 PNK WIRE AIR BAG FUSE ALERT LED CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (UNDER LEFT SIDE OF DASH) COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DIMMING CTRL DK GRN WIRE DRIVER INFORMATION CENTER SWITCH FRONTVIEW CAMERA MODULE GROUND GRY/WHT WIRE GRY/YEL 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 1 VOLT IGN 1 VOLT ALERT LED CTRL DIMMING CTRL INDICATOR DIMMING CONTROL INSTRUMENT CLUSTER LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LO SPD GMLAN SERIAL DATA LOGIC LOGIC INSTRUMENT CLUSTER LOW SPEED GMLAN SERIAL DATA PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED/WHT WIRE RPA/SBZA/UGDO FUSE SW SIG UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEELWELL) WHT WIRE WHT/LT GRN 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 COMMON SIG AUDIO SIG + AUDIO SIG PLAYBACK DEVICE AUX HIGH SIG 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 (+) 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 (-) RF LO LVL AUD SIG (+) RIGHT AUD SIG RIGHT AUDIO SIG RIGHT AUX SIG RR LO LVL AUD 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 BRIGHT CTRL VIDEO DISPLAY VIDEO MODULE SIG VIDEO SIG VIDEO SYSTEM VIDEO SYSTEM CIRCUIT VOICE RECOG AUD SIG 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 AUDIO AMPLIFIER AUDIO AMPLIFIER (UNDER LEFT SIDE OF DASH) 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 ENT REMOTE ENABLE SIG 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 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 (+) SUBWOOFER SPKR OUTPUT (+) GND 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

1 2 3 4 5 6 7 8 9 10 11 12 BATT POSITIVE VOLT 8 5 4 1 3 PPL BATT POSITIVE VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY FRONT, REAR PARKING ASSIST CONTROL MODULE FRONT, REAR PARKING ASSIST CONTROL MODULE (BEHIND LEFT REAR INTERIOR TRIM PANEL) GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND RIGHT END OF DASH) LEFT MIDDLE REAR OBJECT SENSOR LEFT MIDDLE REAR OBJECT SENSOR (BEHIND MIDDLE OF REAR BUMPER) LEFT OUTER REAR OBJECT SENSOR LO SPD GMLAN SER DATA LO SPD GMLAN SER DATA GROUND LOGIC LOGIC INSTRUMENT CLUSTER LOSPD GMLAN SERIAL DATA LOW REF LR CORNER OBJ SENS SIG LR MIDDLE OBJ SENS SIG OBJ SENS SPLY VOLT ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT MIDDLE REAR OBJECT SENSOR RIGHT MIDDLE REAR OBJECT SENSOR (BEHIND MIDDLE OF REAR BUMPER) RIGHT OUTER REAR OBJECT SENSOR RPA/SBZA/ UGO FUSE RR CORNER OBJ SENS SIG RR MIDDLE OBJ SENS SIG YEL WIRE