GMC Terrain I (2009-2015) (under driver seat) Wiring diagrams

23 24 2501 2500 SERIAL DATA BUS - SERIAL DATA BUS + 5360 651 19 1 LOW REF GND 5361 5359 7 13 SENS SIG 5-VOLT REF 6 3 1 5 GND GMLAN SERIAL DATA + GMLAN SERIAL DATA - BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE BOOSTER VACUUM SENSOR (BRAKE BOOSTER) BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ECM (LEFT REAR OF BATT ENGINE COMPT) FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES LT BLU WIRE MULTI-AXIS ACCELERATION SENSOR NCA WIRE ORG/ WIRE PARK BRAKE SW SIG PPL RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL HUB) RVC BATT SNSR FUSE STEERING WHEEL ANGLE SENSOR (STEERING COLUMN) TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRACTION CTRL SW SIG UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

5 V REF ANTI-THEFT SYSTEM BATTERY BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DIMMING CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/RED WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DRV DR LOCK MTR LOCK CTRL DR LOCK ACTUATOR UNLOCK CTRL GND EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM GMLAN SERIAL DATA BUS+ GMLAN SERIAL DATA BUS- GRY WIRE GRY/BLK WIRE HAZARD SW TURN RH SIG WASHER SW SIG PNK WIRE HDLP SW FLASH TO PASS SIG HORN FUSE SPLY VOL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INTERCONNECT NETWORK 2 INTERCONNECT NETWORK 3 INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM KEY-IN IGNITION SWITCH LR DR AJAR SW SIG LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE ORG/BLK WIRE PNK IGNITION VOL WIRE PNK LP ILLUMINATION GMLAN SERIAL DATA INTERIOR LP DEFEAT SW SIG WIRE PNK WIRE PNK/BLK WIRE PPL RED/WHT WIRE RR DR AJAR SW SIG COURTESY LP SW SIG RUN WIRE STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WHT/BLK WIRE WIPER SW HI SIG WIPER/WASHER SYSTEM YEL WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR DRIVER DOOR ACCENT LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH GRY WIRE GRY/BLK WIRE HANDLE ACCENT LAMP LEFT INSTRUMENT PANEL COURTESY LAMP LEFT LOWER INSTRUMENT PANEL ACCENT LAMP LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LR DOOR AJAR SW SIG LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE NETWORK 3 NETWORK 4 OVERHEAD CONSOLE ACCENT LAMP PASSENGER DOOR ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR) PASSENGER WINDOW SWITCH PNK WIRE PPL RED WIRE RF DOOR AJAR SW SIG RIGHT CENTER CONSOLE CUPHOLDER ACCENT LAMP RIGHT INSTRUMENT PANEL COURTESY LAMP RIGHT LOWER INSTRUMENT PANEL ACCENT LAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG TAN/WHT WIRE W/ MEMORY W/O MEMORY WHT WIRE

BLK WIRE DRIVER OUTSIDE REARVIEW MIRROR (W/ HEATED MIRRORS) HOT AT ALL TIMES HTD MIR FUSE LOGIC HVAC CONTROL MODULE NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR (W/ HEATED MIRRORS) PPL REAR DEFOG FUSE REAR DEFOG IND REAR DEFOG SWITCH REAR DEFOGGER GRID REAR DEFOGGER RELAY RR DFG RLY CTRL UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 HORIZONTAL FWD SW SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK LOW REF WIRE 7530 1520 3298 COMPUTER DATA LINES SYSTEM BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN RWD DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT MEMORY SWITCH FORWARD SWITCH SIGNAL REARWARD SWITCH SIGNAL FRONT VERTICAL UP SW SIG REAR VERTICAL UP SW SIG REAR VERTICAL DN SW SIG FWD RWD GRY WIRE GRY/BLK WIRE HORIZONTAL MTR SEN SIG REAR VERTICAL SENS SIG FRONT VERTICAL SENS SIG HOT AT ALL TIMES HTD/ SEAT FRT FUSE LOCAL NETWORK 8 FRONT VERTICAL DN SW SIG POS SIG LOW SPEED LT BLU WIRE LT GRN WIRE MEMORY 1 SWITCH SIGNAL MEMORY SET SWITCH SIGNAL MSM FUSE ORG/ WIRE ORG/WHT WIRE REARWARD SWITCH SIGNAL RECLINE MTR POS SEN SIG RED/BLK WIRE RED/WHT WIRE SEAT MEMORY CONTROL MODULE (UNDER DRIVER'S SEAT) SEATS SYSTEM SET- SPLY VOLT SPLY VOLT LOW REF PNK WIRE TAN WIRE TEMP SEN SIG UNDERHOOD FUSE BLOCK (LEFT REAR ENGINE COMPT) UP UP DOWN WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

6 7 8 RECLINE MTR REARWARD CTL BATT POSITIVE VOLT BLK WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT FRONT VERTICAL MTR DOWN CTRL DRIVER SEAT FRONT VERTICAL MTR UP CTRL DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR GROUND HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL LOW REF LT BLU WIRE LT GRN WIRE ORG/WHT WIRE REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RED/BLK WIRE RED/WHT WIRE SEAT MEMORY CONTROL MODULE (UNDER DRIVER'S SEAT) TAN WIRE WHT/BLK WIRE YEL WIRE

12 18 LR DOOR AJAR SW SIG RR DOOR AJAR SW SIG 13 14 5 SW UNLOCK SIG SW LOCK SIG LIFTGATE AJAR SW 15 19 1 SW UNLOCK SIG SW LOCK SIG B+ 16 27 25 2 RCDLR GROUND RCDLR DATA RECEIVE RCDLR POWER GND 19 7 HORN RELAY PARK LP SPLY VOLT 26 21 RCDLR DATA TRANSMIT SECURITY IND CTRL 28 2609 HORNS SYSTEM 309 709 2509 6846 312 712 EXTERIOR LIGHTS SYSTEM 6 18 SECURITY IND CTRL CHILD SECURITY SW SIG ACTR UNLK CTRL AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) AUTOMATIC A/C BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA RECEIVE DATA TRANSMIT DK BLU WIRE DK GRN WIRE DK GRN/RED WIRE DOOR LATCH CTRL DOOR RELAY CTRL DOWN DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (W/ REMOTE ENGINE START CONTROL) (HOOD LATCH) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) KEYLESS ENTRY ANTENNA LOCAL NETWORK 3 LOCAL NETWORK 4 LOW REF LP HI RELAY CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C MOTOR LOCK CTRL NETWORK 3 ORG/BLK WIRE PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE PNK/WHT WIRE RADIO/HVAC CONTROLS RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (CENTER FRONT OF ROOF) TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM W/O LANE DEPARTURE WARNING SENSOR INDICATOR YEL WIRE

AJAR AJAR SW AJAR SW SIG RR DR BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DOOR LOCK DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER DOOR) DRIVER WINDOW SWITCH GMLAN SERIAL DATA GRY WIRE GRY/BLK WIRE LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DR AJAR SW LOGIC INSTRUMENT CLUSTER LR DR AJAR SW SIG LT BLU/BLK WIRE LT GRN/BLK WIRE NET NET WORK 4 PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER DOOR) PASSENGER WINDOW SWITCH RELAY RF DR RIGHT REAR DOOR LATCH ASSEMBLY (REAR OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH SECURITY IND STATUS SW LCK TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WORK 3 WORK 3 NET

3.6L BATTERY BODY CONTROL MODULE BLK WIRE BODY CONTROL MODULE BRAKE FLUID LEVEL SWITCH DK GRN WIRE DOOR LOCK RELAY DRIVE WINDOW SWITCH DRIVER DOOR ACCENT LAMP DRIVER DOOR HANDLE ACCENT LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER OUTSIDE REARVIEW MIRROR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH ELECTRONIC BRAKE CONTROL MODULE GRN DK WIRE IGNITION IGNITION COIL 1 COIL 3 LEFT MIRROR CONTROL MODULE LIFTGATE UNLATCH RELAY NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER SEAT ADJUSTMENT SWITCH PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER WINDOW SWITCH REAR WIPER RELAY W/ CUSTOM INTERIOR LAMP PACKAGE W/ DELUXE INTERIOR LAMP PACKAGE W/ HEATED MIRRORS W/ MANUAL LIFT GATE BODY EQUIPMENT W/ MEMORY W/O 8 WAY POWER FRONT SEAT ADJUSTER, W/O MEMORY W/O MEMORY, W/O 8 WAY WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

22 21 SERIAL DATA NETWORK 4 BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK GRN WIRE DK GRN/WHT WIRE DOOR AJAR DOOR AJAR SW SIG DOWN DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER DOOR) DRIVER WINDOW SWITCH GRY WIRE GRY/BLK WIRE LEFT REAR DOOR LATCH ASSEMBLY (LEFT REAR OF DOOR) LEFT REAR WINDOW SWITCH LIFTGATE LATCH ASSEMBLY (W/ MANUAL LIFTGATE) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE LVL MENU NETWORK 3 NETWORK 4 PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER DOOR) PASSENGER WINDOW SWITCH PNK WIRE PNK/BLK WIRE PPL RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR OF DOOR) RIGHT REAR WINDOW SWITCH SENS SERIAL SERIAL DATA BUS- SET/CLR RADIO/HVAC CONTROLS SIG SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE