Chevrolet Cobalt I (2004-2010) gry/blk Wiring diagrams

12 VOLT 12 VOLT REF 5 VOLT REF 5 VOLT REF LOW REF 5-VOLT ABS 2 FUSE ABS 3 FUSE ABS FUSE BAT POSITIVE VOLT RF WHEEL SPEED SENS LO REF RF WHEEL SPEED SENS SIG BLK WIRE BRAKE PRESSURE MODULATOR VALVE BRN WIRE CAN BUS HIGH SERIAL CAN BUS HIGH SERIAL DATA CAN BUS LOW SERIAL DATA CAN BUS LOW SERIAL COMPUTER DATA LINES (LEFT SIDE OF SYSTEM ENGINE COMPT, UNDER COOLANT RESERVOIR) DK BLU WIRE DK GRN WIRE GROUND GROUND PUMP MOTOR GRY WIRE GRY/BLK WIRE HIGH SERIAL CAN BUS HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (WSS) (INSIDE LEFT REAR WHEEL HUB) LF WHEEL SPEED SIG LF WHEEL SPEED REF LOW REF LOW SERIAL CAN BUS LR WHEEL SPD SEN SIG LR WHEEL SPD SENS LO REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK WIRE PNK/BLK WIRE PUMP MOTOR CONTROL RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT FRONT WHEEL HUB) RIGHT REAR WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT REAR WHEEL HUB) STEERING ANGLE SENSOR STEERING WHEEL POSITION SEN TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE YAW, LATERAL ACCELEROMETER SENSOR YEL WIRE

2 20 SERIAL DATA + SERIAL DATA - 28 747 746 1250 748 745 744 5531 109 HORNS SYSTEM 43 44 GMLAN SERIAL DATA + GMLAN SERIAL DATA - ACC VOLT SIG ACC VOLT SUPPLY BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER RIGHT REAR DOOR JAMB SWITCH DOOR JAMB SWITCH FUSE 10 GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HAZARD SW SIG HOOD AJAR SWITCH (W/ KEYLESS ENTRY) (FRONT OF VEHICLE, PART OF HOOD LATCH) HOT AT ALL TIMES HVAC IGN KEY RES SIG IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR JAMB SWITCH LOGIC LOGIC SECURITY IND SUPPLY VOLTAGE LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE OFF OFF/RUN/CRANK ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR JAMB SWITCH POWER DISTRIBUTION SYSTEM PPL REAR COMPARTMENT LID RELEASE ACTUATOR (IN LATCH ASSEMBLY) RED WIRE RED/WHT WIRE RUN WIRE SECURITY IND SECURITY INDICATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THEFT DETERRENT CONTROL MODULE (IN STEERING COLUMN, NEAR IGNITION SWITCH) WHT WIRE WHT/BLK WIRE

A/T SHIFT LK CTRL SOL SPLY VOL AMBIENT AIR TEMP SENS SIG DRL RELAY CONTROL AMBIENT AIR TEMPERATURE SENSOR (RIGHT SIDE OF LEFT HEADLIGHT) BATT POS VOL BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRAKE FLUID LEVEL SWITCH (IN REAR OF ENGINE COMPT, ATTACHED TO MASTER CYLINDER) BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR LOCK LOCK/UNLOCK SIG DOOR LOCK LOCK/UNLOCK SIG PARK LAMP RLY CTRL DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FOG LMP RLY CTRL REAR COMPT LID AJAR SW SIG GND LOW REF GRY WIRE GRY/BLK WIRE HEADLAMP HIGH BEAM RLY CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM HOOD CLOSED SWITCH SIGNAL HOOD AJAR SWITCH SIGNAL HORN RLY CTRL GND BAT POS VOLTAGE HORNS SYSTEM HOT AT ALL TIMES INT LIGHT FUSE 27 LEFT FRONT TURN SIG LAMP SPLY VOL LOW SPD GMLAN SERIAL DATA LF DOOR AJAR SW SIG LOGIC LOW REF LOW REF CURRENT SENSOR SIG LR DOOR AJAR SW ISG LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/BLK WIRE PARK BRAKE SWITCH (IN CENTER CONSOLE, ATTACHED TO PARKING BRAKE) PNK WIRE PPL RED/WHT WIRE SEDAN SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM DOOR LOCKS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRUNK RELEASE RLY CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WINDSHIELD WIPER MTR PRK SW SIG WINDSHIELD WIPER SW ON SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) CTSY LPS CTRL CTSY LPS SUPPLY DIODE DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DOOR DRIVER DOOR AJAR SWITCH (LOWER LEFT "A" PILLAR BETWEEN DOOR HINGES) FRONT PASSENGER DOOR AJAR SWITCH (LOWER RIGHT "A" PILLAR BETWEEN DOOR HINGES) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR INT LIGHT FUSE 27 LEFT REAR DOOR AJAR SWITCH (SEDAN) (CENTER OF LEFT "B" PILLAR BETWEEN HINGES) LOGIC LR DOOR AJAR RF DOOR AJAR GROUND RR DOOR AJAR LF DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OFF ON ORG/ WIRE ORG/BLK WIRE REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID RELEASE ACTUATOR (IN LATCH ASSEMBLY) REAR COMPT AJAR RIGHT REAR DOOR AJAR SWITCH (SEDAN) (CENTER OF RIGHT "B" PILLAR BETWEEN HINGES) TAN WIRE TAN/WHT WIRE W/ ONSTAR W/O ONSTAR WHT WIRE

39 24 PPL 1589 2759 FUEL LVL SENS SIG LOW REF 44 43 2501 2500 GMLAN SER DATA- GMLAN SER DATA+ ABS IND. AIR BAG IND AJAR SWITCH ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRAKE FLUID LEVEL SWITCH (IN REAR OF ENGINE COMPT, ATTACHED TO MASTER CYLINDER) BRAKE IND BRN/WHT WIRE CHARGING IND CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DIC SW SIG DK GRN WIRE DK GRN/WHT WIRE DOOR HINGES) DRIVER DOOR AJAR SWITCH DOOR HINGES) FRONT PASSENGER DOOR AJAR SWITCH DRIVER INFORMATION CENTER (DIC) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE (EOP) SWITCH FRONT FOG LAMP IND FUEL LEVEL FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) GMLAN SER DATA GRY WIRE GRY/BLK WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HVAC/ IP IGN FUSE 16 IGN IGN 1 VOLT BAT GND GND INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN IND LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MALFUNCTION IND MIL CTRL OIL LEVEL IND OIL PRES SW SIG PARK BRAKE SWITCH (IN CENTER CONSOLE, ATTACHED TO PARKING BRAKE) PNK PNK WIRE PNK WIRE PNK/ORG WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SECURITY IND SPLY VOLT SERIAL DATA SPEEDOMETER TACHOMETER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION OFF IND TRIP ODOMETER TRIP RESET UP SHIFT IND VF DISPLAY TRIP WHT WIRE

ANTENNA B+ GMLAN BATT POS VOLT BLK WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER REAR COMPARTMENT LID RELEASE SWITCH DOOR JAMB SWITCH GMLAN LOW SPEED GMLAN SERIAL DATA + GMLAN SERIAL DATA - LID RELEASE SW SIG GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR JAMB SWITCH LID RELEASE ACTUATOR (IN LATCH ASSEMBLY) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER RIGHT DOOR REAR JAMB SWITCH DOOR JAMB SWITCH POWER DISTRIBUTION SYSTEM RDO FUSE 23 REAR COMPARTMENT REAR COMPT LID RELEASE ACTUATOR) RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (W/ KEYLESS ENTRY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRUNK PCB RELAY TRUNK/ HTD SEATS FUSE WHT WIRE

AMP FUSE 6 AUDIO AMPLIFIER (UNDER LEFT SIDE OF DASH) BARE BARE 8 2 1 DRAIN WIRE LOW REFERENCE CELL TELEPHONE VOICE SIG BATTERY BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COAX COAX ANTENNA SIG COMPUTER DATA LINES SYSTEM 1051 511 1947 512 1948 DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER LEFT TWEETER SPEAKER LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MUTE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RADIO RADIO ANTENNA MODULE RDO FUSE 23 RED WIRE RED/WHT WIRE REMOTE RADIO CTRL REMOTE RADIO CTRL CELL VOICE SIG RF SPKR OUT (+) RF SPKR OUT (-) LF SPKR OUT (-) LF SPKR OUT (+) RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH RIGHT TWEETER SPEAKER SATELLITE RADIO CIRCUIT STRG WHEEL CTRL SIG SUBWOOFER SPEAKER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VOL UP VOL DOWN SRCE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

"A" PILLAR BETWEEN DOOR HINGES) 66 67 5 LR TURN SIG SW SIG RR TURN SIG SW SIG PARK LMP SW SIG ABS IND. AIR BAG IND SERIAL DATA BATTERY BCM 2 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRAKE FLUID LEVEL SWITCH (IN REAR OF ENGINE COMPT, ATTACHED TO MASTER CYLINDER) BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA OFF RUN/CRANK VOL COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR AJAR SWITCH (LOWER LEFT "A" PILLAR BETWEEN DOOR HINGES) DRIVER INFORMATION CENTER (DIC) DRIVER SEAT BELT SWITCH (PART OF SEAT BELT BUCKLE, RIGHT SIDE OF DRIVER'S SEAT) ENGINE COOLANT TEMPERATURE IND FRONT PASSENGER DOOR AJAR SWITCH (LOWER RIGHT GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT HOT AT ALL TIMES ALL TIMES IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INT LIGHT FUSE 27 DR LCK FUSE 26 KEY-IN IGNITION SWITCH LEFT "B" PILLAR BETWEEN HINGES) LEFT REAR DOOR AJAR SWITCH (SEDAN) (CENTER OF LEFT TURN IND LOGIC LOW ENGINE OIL PRESSURE IND IGN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK BRAKE SWITCH (IN CENTER CONSOLE, ATTACHED TO PARKING BRAKE) PNK 3 4 2 LOW REF LEFT SEAT BELT SW CLASS 2 SERIAL DATA WIRE PNK WIRE RADIO RED WIRE RIGHT "B" PILLAR BETWEEN HINGES) RIGHT REAR DOOR AJAR SWITCH (SEDAN) (CENTER OF RIGHT TURN IND IGN RUN WIRE SEAT BELT IND SERIAL DATA SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/WHT WIRE TRACTION OFF IND TURN SIGNAL/ MULTI- FUNCTION SWITCH PARK AUTO OFF RIGHT TURN LEFT TURN HEAD UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK WIRE

A/C COM RLY CTRL ACC VOL ACC VOLT AIR CONDITIONING SYSTEM AIR PUMP RLY CTRL APP SENS 2 SIG IGNITION 1 VOL BATT POS VOL LOW REF BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COMPT, NEXT TO LEFT STRUT TOWER) COMPUTER DATA LINES SYSTEM COOLING FAN RLY CTRL FUEL PMP RLY CTRL COOLING FANS SYSTEM CPP SENS SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM/ TCM FUSE 25 ECM/ TRANS FUSE FUEL TANK PRESSURE (FTP) SENSOR (TOP OF FUEL TANK) GROUND GRY WIRE GRY/BLK WIRE HI SPD COOL FAN RLY HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH IAT SENS SIG IGN 1 VOLTAGE LOGIC LOW REF LOW REF A/C REF SENS SIG LOW REF PRESS SENS SIG SERIAL BUS + SERIAL BUS - LT BLU WIRE LT GRN WIRE MAF SENS SIG MIL CTRL OFF ORG/BLK WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/ORG WIRE POWERTRAIN RLY CTRL PPL PPL FUEL LEVEL SENS SIG PPL/WHT WIRE RED/WHT WIRE RELAY COIL CTRL RUN WIRE RUN/ CRANK RELAY STARTER CTRL STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (IN ENGINE VEHICLE SPEED SENSOR (VSS) (M/T) (TOP OF MANUAL TRANSMISSION) VENT SOL CTRL VSS HIGH SIG STOP LAMP SW SIG VSS LOW SIG WHT WIRE WHT/BLK WIRE YEL WIRE

A/C COM RLY CTRL ACC VOL ACC VOLT AIR CONDITIONING SYSTEM APP SENS 2 SIG IGNITION 1 VOL BATT POS VOL LOW REF BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COMPT, NEXT TO LEFT STRUT TOWER) COMPUTER DATA LINES SYSTEM COOLING FAN RLY CTRL FUEL PMP RLY CTRL COOLING FANS SYSTEM CPP SENS SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM/ TCM FUSE 25 ECM/ TRANS FUSE FUEL TANK PRESSURE (FTP) SENSOR (TOP OF FUEL TANK) GROUND GRY WIRE GRY/BLK WIRE HI SPD COOL FAN RLY HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH IAT SENS SIG IGN 1 VOLTAGE LOGIC LOW REF LOW REF A/C REF SENS SIG LOW REF PRESS SENS SIG SERIAL BUS + SERIAL BUS - LT BLU WIRE LT GRN WIRE MAF SENS SIG MIL CTRL OFF ORG/BLK WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/ORG WIRE POWERTRAIN RLY CTRL PPL PPL FUEL LEVEL SENS SIG PPL/WHT WIRE RED/WHT WIRE RELAY COIL CTRL RUN WIRE RUN/ CRANK RELAY STARTER CTRL STARTING/CHARGING SYSTEM STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (IN ENGINE VENT SOL CTRL WHT WIRE WHT/BLK WIRE YEL WIRE