GMC Terrain I (2009-2015) logic Wiring diagrams

ABS ABS PUMP MDL FUSE FUSE ABS IND. AUXILIARY BRAKE BOOSTER PUMP (BELOW BRAKE MASTER CYLINDER) BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BRAKE BOOSTER PUMP MOTOR RELAY BRAKE IND LOW SPEED GMLAN SERIAL DATA GROUND BRAKE PRESSURE MODULATOR BRK BOOSTER VACUUM SENS RR WHEEL SPD SENS LOW REF RR WHEEL SPD SENS SIG BRK/ BSTR FUSE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY GMLAN SERIAL DATA GND GMLAN SERIAL DATA + GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) IPC BATT FUSE LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL HUB) LF WHEEL SPD SENS SIG LF WHEEL SPD SENS LOW REF LOGIC LOW REF LT BLU WIRE NCA WIRE ORG/ WIRE PPL PPL BRAKE FLUID LEVEL SENS SIG RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL HUB) SERIAL DATA COMM TAN WIRE TAN/BLK WIRE VEHICLE SPEED SIGNAL WHT WIRE YEL WIRE YEL/BLK WIRE

1791 193 DEFOGGER SYSTEM 3340 5060 COMPUTER DATA LINES A/C EVAPORATOR TEMPERATURE SENSOR (RIGHT CENTER OF HVAC MODULE) AIR RECIRCULATION DOOR ACTUATOR (CENTER OF HVAC MODULE) AIR TEMPERATURE DOOR ACTUATOR (CENTER OF HVAC MODULE) AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) ANTI- BLK WIRE BLK/WHT WIRE BLOWER MOTOR SPEED CONTROL BLWR FRT FUSE BRN WIRE DK BLU WIRE DK GRN WIRE EVAP CORE TEMPERATURE SENS SIG GRY WIRE GRY/BLK WIRE HEAD- LIGHTS HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED HUMIDITY TEMP SIG DELAY SIGNAL PPL HVAC BATT FUSE HVAC CONTROL MODULE HVAC IGN FUSE INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK 9 LOGIC LOW REFERENCE GROUND IGNITION VOLTAGE ELECTRAL DIS CTRL B+ LOW REFERENCE REAR DEFOG RELAY CONTROL LOWER RH AIR TEMP SENS SIG LT BLU WIRE LT GRN WIRE MODE DOOR ACTUATOR (MODE DOOR ACTUATOR) MOTOR BREAKOUTS) PNK WIRE PPL RADIO/HVAC CONTROLS RED/BLK WIRE RED/WHT WIRE RIGHT UPPER DUCT AIR TEMPERATURE SENSOR (RIGHT CENTER OF HVAC MODULE) SYSTEM TAN WIRE TAN/BLK WIRE THEFT SYSTEM WHT WIRE WIND SCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE AND INSIDE MOISTURE SENSOR (TOP CENTER OF WINDSHIELD) YEL WIRE

1 2 3 4 5 6 7 8 9 10 PNK WIRE 11 6 KEY SIGNAL KEY SPLY VOLT 3 2 GREEN LED SIG BACKUP SPLY BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BREAKOUT) BRN/WHT WIRE COMP SW DISPLAY DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GREEN LED GROUND BACKUP LMP SPLY VOLT HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR LOGIC LT GRN WIRE LT GRN/BLK WIRE MIR FUSE MIRROR DIMMING ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM RED LED SIG WIRE RED LED WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (W/ ONSTAR) (CENTER OF DASH) TEMP SW UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) YEL/BLK WIRE

3 1 26 BATT POS VOLT BATT POS VOLT HAZARD SW SIG 4 3 BATT POS VOLT BATT POS VOLT 5-VOLT REFERENCE BATT POS VOLT BCM 1 BCM 5 FUSE FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK PDL SENS SIG BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CHEVROLET CHMSL CTRL COMPUTER DATA LINES SYSTEM COMPUTER GMC DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/RED WIRE DK GRN/WHT WIRE EMERGENCY VEHICLE PROVISION (BLUNT CUT) EMERGENCY VEHICLE PROVISION (BLUNT CUT) LEFT TAIL/STOP, TURN SIGNAL LAMP GMC GMC (LEFT SIDE LUGGAGE COMPT) GMC/ CHEVROLET GMLAN SERIAL DATA HAZ SW LH TURN SIG HAZ SW TURN RH SIG HAZARD SWITCH RADIO/HVAC CONTROLS HDLP SW PRK LPS SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LEFT LEFT BACKUP LAMP LEFT FRONT SIDE MARKER LAMP LEFT LICENSE PLATE LAMP LEFT LOWER TAIL LAMP LEFT UPPER TAIL LAMP LEFT PARK/ TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TURN IND LF SIG LP SPLY VOLT LOGIC LOW REFERENCE LR PRK LPS SPLY VOLT LR SIG LP SPLY VOLT LT BLU WIRE LT BLU/WHT WIRE LT GRN/WHT WIRE PPL PPL LH PRK LP SPLY VOLT PRK LPS SPLY VOLT REAR POS LICENSE LP CTRL RED WIRE RED/WHT WIRE RF SIG LP SPLY VOLT RH PRK LP SPLY VOLT RIGHT BACKUP LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT HEAD PARK AUTO OFF RIGHT LICENSE PLATE LAMP RIGHT LOWER TAIL LAMP RIGHT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP RIGHT TURN IND RIGHT UPPER TAIL LAMP RR SIG LP SPLY VOLT TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE

10 22 AMBIENT LIGHT SENSOR SIG LO SPD GMLAN SERIAL DATA 17 11 HDLP SW FLASH TO PASS SIG DIMMER SW LO BEAM SIG 18 10 HDLP HI BEAM RLY CTRL FOG LAMP RLY CTRL 2 1 LEFT LOW BEAM SPLY VOLT RIGHT LOW BEAM SPLY VOLT BCM 3 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE FRONT FOG LAMP INDICATOR INSTRUMENT CLUSTER FRONT FOG LAMP RELAY FRONT FOG LAMP SWITCH FRT FOG LAMP FUSE FTP SWITCH GROUND HEAD HEADLAMP HI BEAM RELAY HIGH BEAM INDICATOR HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) BCM 4 FUSE HVAC CONTROL MODULE LEFT FRONT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO SPD GMLAN SERIAL DATA LOGIC LOW REFERENCE LOW SWITCH LT BLU WIRE LT GRN/BLK WIRE LT HI BEAM FUSE OFF AUTO PARK ORG/ WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PPL RED/WHT WIRE RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE SERIAL DATA TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

24 8 9 LOW REF SENS SIG OIL PRESS SW SIG 25 26 27 39 40 LVL SENS SIG SENS LOW REF ABS IND. AIR BAG IND AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK/WHT WIRE BRAKE IND BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE IND CTRL DIC SEL MENU SW SIG DIC SW SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL LEVEL IND ENGINE OIL PRESSURE SWITCH FRONT FOG LAMP IND FUEL GAUGE HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) IPC BATT FUSE IPC IGN FUSE LEFT TURN IND LOGIC LOW REF LT BLU WIRE MALFUNCTION IND MIL CTRL NAVIGATION SYSTEM PNK WIRE POS VOLT PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SEC FUEL LVL SIG DATA BUS + DATA BUS - SECONDARY FUEL LEVEL SENSOR (TOP OF FUEL TANK) SECURITY IND SERIAL DATA SIG SPEEDOMETER TACHOMETER TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

22 7 13 PARK LAMPS SIG LOW REFERENCE 5-VOLT REFERENCE 9 1 8 DIMMER SW SIG BATT POSITIVE VOLT DIMMING CONTROL BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIMMING CTRL DK BLU WIRE DK GRN WIRE DOME LAMP SWITCH FUEL ECONOMY MODE SWITCH FUEL ECONOMY MODE SWITCH (NOT USED) GMLAN SERIAL DATA HEAD HORN SWITCH HOT AT ALL TIMES HOT W/ ACCESSORY RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) INSTRUMENT STR PANEL WHL DM FUSE BLOCK FUSE (RIGHT CENTER OF DASH) INTERIOR LIFTGATE CONTROL SWITCH (W/ POWER LIFT BODY EQUIPMENT) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT BLU WIRE NCA WIRE OFF AUTO PARK RADIO/HVAC CONTROLS RED/BLK WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RPRNDL FUSE SERIAL DATA STEERING WHEEL AIR BAG COIL (STEERING COLUMN) SUNROOF SWITCH (W/ POWER SLIDING GLASS SUNROOF) SUNROOF TILT SWITCH (W/ POWER SLIDING GLASS SUNROOF) TRACTION CONTROL SWITCH TRANSMISSION SHIFT LEVER POSITION INDICATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ POWER SLIDING GLASS SUNROOF, POWER LIFT BODY EQUIPMENT W/ W/O CONTROL CONTROL STEERING STEERING WHEEL WHEEL YEL WIRE

5329 5330 3290 5060 2011 2099 VIDEO SYSTEM CIRCUIT 5332 7459 7460 VIDEO SYSTEM CIRCUIT 5843 5839 (OR 3376) (OR 3377) 6972 5149 NAVIGATION SYSTEM 6973 5152 NAVIGATION SYSTEM 8 2 1 6 12 12 VOLT REF 12 VOLT REF 12 VOLT REF 12 VOLT REF ANTI-LOCK BRAKES SYSTEM 3367 3366 3365 3367 3366 3365 AUDIO COMMON SIG AUDIO JACK LH + VIDEO BRIGHT SIG BATT + BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMERA SIGNAL - MICROPHONE SIG CELLULAR PHONE, NAVIGATION ANTENNA CGI - COAX COAX ANTENNA COAX GPS COAX W/ NAVIGATION COAX W/O NAVIGATION COMPUTER DATA LINES SYSTEM DATA SHIELD DIGITAL RADIO ANTENNA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN DRAIN WIRE TOUCH + RESET SIG PNK ENABLE GRY WIRE HOT AT ALL TIMES INFO DISPLAY MODULE (W/ NAVIGATION) INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LOGIC LOW SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/WHT WIRE NAVIGATION ANTENNA SIGNAL SPLITTER (LEFT CENTER OF DASH) NCA WIRE NETWORK 10 ORG/ WIRE ORG/BLK WIRE PNK DETECTION SIG AUDIO COMMON WAKE-UP SIG WIRE PNK PNK CAMERA SIGNAL + MICROPHONE SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL TOUCH - VEHICLE SPD SIG PPL/WHT WIRE RADIO RADIO ANTENNA RADIO ANTENNA MODULE RADIO/HVAC CONTROLS RDO FUSE RED/WHT WIRE RES SIG RESET SIG STEERING WHEEL) TAN WIRE TAN/WHT WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (CENTER OF DASH) TOUCH - USB USB USB VIDEO MODE SIG AUDIO JACK RH + VIDEO SYSTEM CIRCUIT VOICE SIG W/ NAVIGATION W/O NAVIGATION PNK WIRE WAKE UP SIG WHT WIRE WIRE YEL WIRE

BARE BATT POS VOL BLK WIRE BRN WIRE BRN/WHT WIRE CNSTR VENT COMPUTER COMPUTER DATA DATA LINES LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ECM BATT ECM FUSE ENGINE OIL LEVEL IND FSCM FUSE FUEL GAUGE FUEL PUMP FUEL PUMP DRIVER CONTROL MODULE (LEFT QUARTER TRIM PANEL) FUSE GMLAN GROUND GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN IGN 1 VOL INSTRUMENT CLUSTER LOGIC LT GRN WIRE MIL IND MODULE SHIELD MTR LOW REF PNK WIRE PNK/BLK WIRE PPL PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK) PUMP RLY CTRL PUMP SPLY VOL RED/WHT WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WAKE UP SIG YEL WIRE YEL/WHT WIRE

BARE BATT POS VOL BLK WIRE BRN/WHT WIRE CNSTR VENT FSCM FUSE FUSE COMPUTER COMPUTER DATA DATA LINES LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM CONTROL MODULE DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ECM BATT FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (LEFT REAR OF ENGINE) ENGINE OIL LEVEL IND EVEN IGN FSCM FUSE FUEL GAUGE FUEL PUMP DRIVER CONTROL MODULE (LEFT QUARTER TRIM PANEL) FUSE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN IGN 1 VOL INSTRUMENT CLUSTER LOGIC LOW REF FUEL PUMP LT GRN WIRE MIL IND MODULE SHIELD ODD IGN ECM FUSE FUSE PNK WIRE PNK/BLK WIRE POST FUSE PRE FUSE PUMP RLY CTRL PUMP SPLY VOL RED/WHT WIRE SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WAKE UP SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE