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

BLK WIRE BODY CONTROL MODULE (BCM) BRN/WHT WIRE BUTTON BACK LIGHTING COURTESY LP SPLY VOLT DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GRY WIRE HOT AT ALL TIMES INT LIGHT FUSE 27 INSIDE REARVIEW MIRROR KEYPAD KEYPAD GREEN LED IND KEYPAD GREEN LED SIGNAL KEYPAD RED WIRE KEYPAD SIGNAL KEYPAD SUPPLY VOLTAGE LED SIGNAL LOGIC LT GRN/BLK WIRE ONSTAR IND ONSTAR KEYPAD ONSTAR SWITCH PHONE IND PHONE SWITCH RED LED IND WIRE WHT WIRE YEL/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

BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM POWER DISTRIBUTION SYSTEM CRUISE CTRL SW SIG IGNITION KEY RESISTOR SIGNAL DEFOGGER SYSTEM AIR CONDITIONING SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS LOW REF DRL AMBIENT LIGHT SENS SIG EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM ANTI-THEFT SYSTEM FLASH TO PASS SIG FOG LMP RLY CTRL GRY WIRE HAZARD SWITCH SIG REAR COMPT LID RELEASE SW SECURITY IND SPLY VOLTAGE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HIGH SPEED GMLAN SER DATA BUS - HIGH SPEED GMLAN SER DATA BUS - HORNS SYSTEM I/P LAMP DIMMER SW SIG LOGIC LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA LR TURN SIG SW SIG RR TURN SIG SW SIG REAR DEFOG SW SIG A/C REQUEST SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER SEATBELT REMINDER REAR DEFOG RLY CTRL POWER DISTRIBUTION SYSTEM WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM PPL PPL/WHT WIRE SUPPLEMENTAL RESTRAINTS SYSTEM DEFOGGER SYSTEM TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AMBIENT LIGHT SENSOR (DASH TRIM PAD, NEAR WINDSHIELD ON DRIVER'S SIDE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BPP SENS SIG BRAKE PEDAL POSITION SENSOR BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CHMSL FUSE CHMSL RELAY CHMSL SPLY VOLT COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS LOW REF DRL AMBIENT LIGHT SENS SIG GROUND GRY WIRE HAZARD SW SIG HAZARD SWITCH HEAD OFF HEADLAMP SWITCH HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT MARKER LAMP LEFT PARK/TURN SIGNAL LAMP LEFT TURN SIG LAMP LEFT TURN SIG SW SIG LEFT TURN SIGNAL IND LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT GRN/BLK WIRE PARK AUTO PARK LAMP RLY CTRL PARK LAMP SPLY VOLT LEFT REAR STOP/TURN PARK LAMP SW SIG PRK LAMP FUSE PRK LAMP PCB RELAY RIGHT FRONT MARKER LAMP RIGHT LEFT RIGHT PARK/TURN SIGNAL LAMP RIGHT REAR STOP/TURN RIGHT TURN SIG LAMP RIGHT TURN SIG SW SIG RIGHT TURN SIGNAL IND TAN WIRE TAN/BLK WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN SWITCH UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK WIRE

3 4 10 524 HEADLAMP SW SIG HIGH BEAM SIGNAL PPL 71 44 54 592 1969 317 DRL RLY CTRL HI BEAM RLY CTRL FOG LMP RLY CTRL AMBIENT LIGHT SENSOR (DASH TRIM PAD, NEAR WINDSHIELD ON DRIVER'S SIDE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRL PCB RELAY FOG LAMP FUSE FOG LAMP IND FOG LAMP PCB RELAY FOG LAMP SWITCH FTP GRY WIRE HEAD HI BEAM PCB RELAY HIGH BEAM HIGH BEAM IND HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT HEADLAMP LO BEAM PCB RELAY LOGIC LOW BEAM LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT HI BEAM FUSE LT LO BEAM FUSE DRL FUSE OFF AUTO PARK ORG/ WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (IN CENTER CONSOLE, ATTACHED TO PARKING BRAKE) PNK WIRE PNK/WHT WIRE PPL PPL PPL PPL/WHT WIRE RIGHT FRONT FOG LAMP LEFT FRONT FOG LAMP RIGHT HEADLAMP RT HI BEAM FUSE RT LO BEAM FUSE SERIAL DATA STEERING COLUMN) TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK 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

3 PNK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND DK GRN WIRE DRIVER SEAT BELT PRETENSIONER (LEFT "B" PILLAR) GROUND GRY WIRE GRY/ORG WIRE GRY/WHT WIRE HIGH CONTROL LOW CONTROL HOT IN RUN OR START HVAC/ IP IGN FUSE 16 IND INFLATABLE RESTRAINT INFLATABLE RESTRAINT STEERING WHEEL MODULE LOGIC LOW CONTROL PNK LOW CONTROL HIGH CONTROL HIGH CONTROL LOW CONTROL WIRE LT BLU WIRE LT BLU/ORG WIRE ORG/ WIRE PASSENGER SEAT BELT PRETENSIONER (RIGHT "B" PILLAR) PNK IGNITION 1 VOLTAGE WIRE PNK OCCUPANT SENS SIG WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK WIRE PPL SHORTING BAR PPL/WHT WIRE RED/WHT WIRE RIGHT SEAT BELT SW SIG SENSOR SIGNAL LOW REFERENCE SENSOR SIGNAL SENSOR VOLTAGE SENSOR VOLTAGE SENSOR SIGNAL SHORTING BAR STAGE 1 STAGE 2 STEERING WHEEL MODULE COIL (ON STEERING COLUMN, BEHIND STEERING WHEEL) TAN WIRE TAN/ORG WIRE TAN/WHT WIRE W/ LEFT, RIGHT ROOF SIDE INFLATABLE SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ON IND CTRL OFF IND CTRL PNK WIRE AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DATA LINK CONNECTOR (DLC) (LOWER LEFT OF DASH, NEAR HOOD RELEASE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER SEAT BELT SWITCH (PART OF SEAT BELT BUCKLE, RIGHT SIDE OF DRIVER'S SEAT) GRN WIRE INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT PASSENGER SEAT BELT TENSION SENSOR INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW REFERENCE LOW REF 5 VOLTS REF NCA WIRE OF PASSENGER'S SEAT) ORG/ WIRE PASS AIR BAG IND PASS AIR BAG OFF IND PASS AIR BAG ON IND PASS SEAT BELT IND PASS SEAT BELT SENS GROUND PASS SENS SIG 5 VOLTS REF PASSENGER SEAT BELT SWITCH (PART OF SEAT BELT BUCKLE, LEFT SIDE PNK IGNITION 1 VOLTAGE WIRE PNK OCCUPANT SENS SIG WIRE PNK PNK WIRE PNK WIRE PNK/ DK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL PNK WIRE PPL/WHT WIRE SERIAL DATA SERIAL IGN DATA SHORTING BAR TAN WIRE TAN/BLK WIRE TAN/ORG WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL LEVEL SENSOR FUEL PUMP FUSE FUEL PUMP MOTOR FUEL PUMP RELAY FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) GRY WIRE HOT AT ALL TIMES IAT IGNITION COIL/MODULE 1 (TOP OF ENGINE, UNDER COVER AT CYLINDER 1) IGNITION COIL/MODULE 2 (TOP OF ENGINE, UNDER COVER AT CYLINDER 2) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL SPARK PLUG TAN WIRE UNDERHOOD FUSE BLOCK YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SENS SIG CMP SENS SIG CMP SENS SIG 2 LOW SIG SENS 1 LOW REF KS SIG KS SIG CRANKSHAFT POSITION (CKP) SENSOR (ABOVE STARTER MOTOR) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) ENGINE OIL PRESSURE (EOP) SWITCH (LEFT SIDE OF ENGINE, ABOVE STARTER) EXHAUST SOL 1 CAM SOL CTRL TAC MTR CTRL 1 PPL GRY WIRE GRY/WHT WIRE IC 2 CTRL IGNITION COIL/MODULE 3 (TOP OF ENGINE, UNDER COVER AT CYLINDER 3) IGNITION COIL/MODULE 4 (TOP OF ENGINE, UNDER COVER AT CYLINDER 4) KNOCK SENSOR (KS) (LOWER LEFT SIDE OF ENGINE) LOW CONT SIG 1 LOW SENS 2 OIL PRES SW SIG LOW SIG SENS 2 LOW REF LOW REF IC 1 CTRL IC 3 CTRL IC 4 CTRL LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PURG SOL CTRL GEN TRN ON SIG TAC MTR CTRL 2 SPARK PLUG STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TP SENS 1 SIG ECT SENS SIG TP SENS 2 SIG LOW REF LOW REF YEL WIRE YEL/BLK WIRE