GMC Terrain I (2009-2015) (left front of engine compt) Wiring diagrams

39 40 DATA BUS + DATA BUS - 59 42 LOW SPD HIGH SPD 8 24 ECT SENS SIG LOW REF BLK WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MOTOR (RIGHT FRONT OF ENGINE COMPT, BEHIND RADIATOR) COOLING FAN RESISTOR (REAR OF COOLING FAN SHROUD) DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY GRY WIRE HOT AT ALL TIMES LT BLU WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) YEL WIRE

39 40 DATA BUS + DATA BUS - 59 42 LOW SPD HIGH SPD 8 24 ECT SENS SIG LOW REF BLK WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LT BLU WIRE RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) TAN WIRE TAN/BLK WIRE WHT WIRE YEL WIRE

2500 2501 COMPUTER DATA LINES SYSTEM 39 40 DATA BUS + DATA BUS - 410 2761 (OR 476) 42 59 HIGH SPD LOW SPD 8 24 ECT SENS SIG LOW REF A/C CMPRSR FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE BATT POS VOL BLK WIRE BLK/WHT WIRE BLOWER MOTOR (LOWER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL MODULE (ON BLOWER MOTOR) BLOWER MTR SPD CTRL BLOWER MTR SPLY VOL BRN WIRE COOL FAN 1 FUSE COOL FAN 2 FUSE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MOTOR (RIGHT FRONT OF ENGINE COMPT, BEHIND RADIATOR) COOLING FAN RESISTOR (REAR OF COOLING FAN SHROUD) COOLING FAN SPEED CONTROL RELAY (3.6L) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LOW REF LOW REF SENS SIG RLY CTRL LT BLU WIRE ORG/ WIRE ORG/BLK WIRE PPL RED WIRE RED/BLK WIRE RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) TAN WIRE TAN/BLK WIRE WHT WIRE YEL 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

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

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

2500 2501 COMPUTER DATA LINES SYSTEM 39 40 DATA BUS + DATA BUS - 410 2761 (OR 476) 42 59 HIGH SPD LOW SPD 8 24 ECT SENS SIG LOW REF A/C CMPRSR FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY BLK WIRE BLK/WHT WIRE BRN WIRE COOL FAN 1 FUSE COOL FAN 2 FUSE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MOTOR (RIGHT FRONT OF ENGINE COMPT, BEHIND RADIATOR) COOLING FAN RESISTOR (REAR OF COOLING FAN SHROUD) COOLING FAN SPEED CONTROL RELAY (3.6L) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY GRY WIRE HOT AT ALL TIMES LOW REF SENS SIG RLY CTRL LT BLU WIRE LT GRN WIRE MODE DOOR ACTUATOR (LEFT SIDE OF HVAC MODULE) ORG/BLK WIRE PPL RED WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DLIS FUSE GRY WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (W/ REMOTE ENGINE START CONTROL) (HOOD LATCH) HOT AT ALL TIMES IGNITION SWITCH IMMOBILIZER ANTENNA (NEAR IGNITION SWITCH) INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LOCAL NETWORK 11 LOCAL NETWORK 3 LOCAL NETWORK 4 LT BLU WIRE OFF PNK IGN VOLT WIRE PNK WIRE PNK/BLK WIRE RED/WHT WIRE RUN WIRE THEFT MOD PWR

5-V REF FUEL LVL SEN SIG SENSOR LOW REF FUEL LVL SEN SIG 5-VOLT 1 REF LOW REF 5-VOLT 4 REF APP SEN 1 SIG A/C COMPRESSOR CLUTCH RLY CTRL 5-VOLT 3 REF APP SEN 2 SIG A/C SENS SIG ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BPS LOW REF BPS SNSR SIG BRAKE PEDAL POSITION BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CTRL CTRL BRAKE PEDAL SW SIG PPL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE (FORWARD OF FUEL TANK) FAN RLY CTRL FUEL PUMP RLY CTRL FUEL TANK GRY WIRE GRY/WHT WIRE HI DATA BUS + HI DATA BUS - SNSR SIG HI DATA BUS + HI DATA BUS - IGN VOLT STARTER RLY CTRL LOW REF LOW REF FUEL SENS SIG 5-VOLT 1 REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL CTRL ORG/BLK WIRE PNK IGN VOLT B+ LOW REF WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN RLY IGN VOLT PPL PPL/WHT WIRE RED/WHT WIRE SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) SOLENOID CTRL STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE WAKE UP SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

5-VOLT 1 REF AIR PUMP FUSE AIR PUMP SOL FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAM PHASER CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE (TOP FRONT OF CYLINDER HEAD) FUEL INJECTOR 1 FUEL INJECTOR 1 CTRL FUEL INJECTOR 2 FUEL INJECTOR 2 CTRL FUEL INJECTOR 3 FUEL INJECTOR 3 CTRL FUEL INJECTOR 4 FUEL INJECTOR 4 CTRL GRN WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE (TOP FRONT OF CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ODD IGN FUSE ORG/ WIRE PNK/BLK WIRE PPL PRE FUSE SECON- DARY AIR INJECTION PUMP SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY TAN WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE