GMC Terrain I (2009-2015) low ref Wiring diagrams

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

1 5 6 BATT POS VOLT BATT POS VOLT GROUND BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATING SEAT DRIVER CUSHION HEATING SEAT ELEMENT DRIVER HEATED SEAT SWITCH ELEMENT GRY WIRE HIGH HEAT IND HOT AT ALL TIMES HTD/ SEAT FRT FUSE INFO DISPLAY MODULE LOGIC LOW HEAT IND LOW REF LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE MEDIUM HEAT IND MSM FUSE NCA WIRE PASSENGER BACK HEATING SEAT PASSENGER CUSHION HEATING SEAT ELEMENT PASSENGER HEATED SEAT SWITCH PNK PNK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE RED/WHT WIRE SEAT MEMORY CONTROL MODULE (UNDER DRIVER'S SEAT) SEN SIG SENS SIG UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

5 6 7 SW SIG HIGH INDICATOR CONTROL LOW INDICATOR CONTROL PPL AUX PWR FRT FUSE BACK ELEMENT CTRL BLK WIRE DK BLU WIRE DK GRN WIRE DRIVER BACK HEATING SEAT ELEMENT DRIVER CUSHION HEATING SEAT ELEMENT DRIVER HEATED SEAT SWITCH DRIVER SEAT HEATING SWITCH GROUND GRY WIRE HIGH HEAT IND HOT W/ ACCESSORY RETAINED POWER RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LOGIC LOW HEAT IND LOW REF MEDIUM HEAT IND ORG/ WIRE PASSENGER BACK HEATING SEAT ELEMENT PASSENGER CUSHION HEATING SEAT ELEMENT PASSENGER HEATED SEAT SWITCH POWER DISTRIBUTION SYSTEM RED WIRE SEAT HEATING CONTROL MODULE (UNDER DRIVER'S SEAT) SENS SIG SPLY VOLT SUPPLY VOLTAGE SUPPLY VOLTAGE SW SIG HIGH INDICATOR CONTROL LOW INDICATOR CONTROL SW SIG HIGH INDICATOR CONTROL LOW INDICATOR CONTROL PPL 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 B+ 14 18 MEMORY 1 SW SIG LOW SPEED BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN DRIVER OUTSIDE REARVIEW MIRROR DRIVER SEAT MEMORY SWITCH ENGINE COMPT) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT LEFT MIRROR CONTROL MODULE LOCAL NETWORK 8 LOGIC PASSENGER WINDOW SWITCH LOW REF LT BLU/BLK WIRE LT GRN WIRE MEMORY SET SW SIG MIR MM FUSE NCA WIRE NETWORK 3 ORG/ WIRE ORG/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER PASSENGER OUTSIDE REARVIEW MIRROR POS SEN SIG 5-VOLT REF LOW REF POSITION CTRL POSITION CTRL MTR COMMON NETWORK 8 SEN SIG RED/WHT WIRE RIGHT SEAT MEMORY CONTROL MODULE (UNDER DRIVER'S SEAT) SET- UNDERHOOD FUSE BLOCK (LEFT REAR UP/DN CONTROL UP/DN CTRL WHT WIRE WNDW RT FUSE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 BATT + REMOTE ENABLE 42 40 PNK 9100 9102 1551 9104 WIRE ACTIVE NOISE CANCELLATION MODULE (CENTER OF DASH) AMP FUSE AMPLIFIER SENS SIG AUDIO AMPLIFIER AUDIO LH SIG AUDIO RH SIG AUDIO SHIELD AUDIO SIG + BATT+ VOLT BLK/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER (W/ PREMIUM 8 SPEAKER SYSTEM) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRIVER SEATBACK VIDEO DISPLAY DVD AUDIO COM DVD AUDIO COMMON FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE (LEFT FRONT OF ROOF) FRONT REF FRONT SIG GROUND GRY WIRE HOT AT ALL TIMES I/P BEC FUSE INFRARED SIG INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LEFT FRONT TWEETER SPEAKER LF LO AUDIO SIG - LF SPEAKER OUT - LH DVD SIG + LH SUBWOOFER + LOW REF LR LO AUDIO SIG - LR SPEAKER OUT - LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MICROPHONE 2 RTN MICROPHONE 3 RTN REAR SIG FRONT SIG MODE 2 SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER SEATBACK VIDEO DISPLAY PNK WIRE PNK/BLK WIRE PPL RADIO REAR REF REAR SIG RED/WHT WIRE REMOTE ENABLE RF LO AUDIO SIG - RF SPEAKER OUT - RH SUBWOOFER - RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR RR LO AUDIO SIG - RR SPEAKER OUT + SHIELD SPEAKER SPEAKER OUT - SPEAKER SYSTEM SUBWOOFER SPEAKER (W/ PREMIUM 8 SPEAKER SYSTEM) TAN WIRE TAN/WHT WIRE VIDEO BRIGHT SIG VIDEO HIGH SIG VIDEO MODE SIG VIDEO SIG VIDEO SIG 2 - VIDEO SYSTEM CIRCUIT W/ NAVIGATION W/ PREMIUM W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 B+ 1 2 3 4 5 6 7 8 PPL RR SNS SIG RR SNS SIG LR SNS SIG SUPPLY LR SNS SIG BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GMLAN GND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) LEFT MIDDLE REAR OBJECT SENSOR (LEFT MIDDLE OF REAR BUMPER) LEFT OUTER REAR OBJECT SENSOR (LEFT CORNER OF REAR BUMPER) LOW REF ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL REAR PARKING ASSIST CONTROL MODULE RED/ WHT WIRE RED/WHT WIRE RIGHT MIDDLE REAR OBJECT SENSOR (RIGHT MIDDLE OF REAR BUMPER) RIGHT OUTER REAR OBJECT SENSOR (RIGHT CORNER OF REAR BUMPER) URPA MDL FUSE 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

5-V 1 REF BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR (LOWER RIGHT SIDE ENGINE BLOCK) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXHAUST BANK 1 CAMSHAFT POSITION SENSOR (FRONT OF RIGHT CYLINDER HEAD) EXHAUST BANK 2 CAMSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER HEAD) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE BANK 1 CAMSHAFT POSITION SENSOR (FRONT OF RIGHT CYLINDER HEAD) INTAKE BANK 2 CAMSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE TAN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

5-V 1 REF FRP SENS SIG 5-V 2 REF PPL MAF SENS TAC MTR CTRL-2 BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUEL RAIL PRESSURE SENSOR (ON FUEL RAIL) GROUND GRY WIRE GRY/WHT WIRE KNOCK ENGINE OIL SENSOR 1 LEVEL SWITCH (RIGHT SIDE (IN OIL PAN) ENGINE BLOCK) KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 2 (LEFT SIDE OF ENGINE BLOCK) LOW REF LOW REF SENSOR SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAP SENS SIG 5-V 3 REF MULTIFUNCTION INTAKE AIR SENSOR (ON AIR INLET HOSE) NCA WIRE OIL LVL SNSR 3212 3223 469 ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK GRY/WHT WIRE PNK/BLK ORG/WHT WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL PPL PPL/WHT WIRE STARTING/CHARGING SYSTEM TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE THROTTLE BODY (TOP RIGHT FRONT OF ENGINE) TRANSMISSIONS SYSTEM WHT WIRE YEL WIRE YEL/WHT WIRE