Chevrolet Cobalt I (2004-2010) (center of rear shelf, near left speaker) Wiring diagrams

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

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

B+ COURTESY LP SPLY VOLT BLK WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) DK BLU WIRE DK BLU/WHT WIRE GRY WIRE HOT AT ALL TIMES INT LIGHT FUSE 27 INSIDE REARVIEW MIRROR LOGIC WHT WIRE

A/T BACKUP LAMP SWITCH (SIDE OF TRANSAXLE CASE) BCKUP FUSE BLK WIRE BREAKOUT) COUPE HOT IN RUN OR START INSIDE REARVIEW MIRROR LEFT BACKUP LAMP LEFT BACKUP LAMP RIGHT BACKUP LAMP LT GRN WIRE M/T PARK/ NEUTRAL POSITION (PNP) SWITCH (REAR OF ENGINE, ON TOP OF TRANSMISSION) PNK WIRE RIGHT BACKUP LAMP SEDAN UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) W/ ONSTAR

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

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

BLK WIRE BRN WIRE COUPE DK GRN WIRE LEFT BACKUP LAMP LEFT REAR MARKER LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LICENSE LAMP LT BLU WIRE RIGHT BACKUP LAMP RIGHT REAR MARKER LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT REAR MARKER LAMP SEDAN YEL WIRE

BATTERY BLK WIRE BODY CONTROL MODULE (BCM) CENTER HIGH MOUNTED STOP LAMP (CHMSL) DOME LAMP DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK SWITCH DRIVER DRIVER CUSHION BACK HEATED HEATED SEAT SEAT ELEMENT ELEMENT DRIVER WINDOW SWITCH FUEL PUMP, SENDER ASSEMBLY INSIDE SUNROOF REARVIEW SWITCH MIRROR LEFT BACKUP LAMP LEFT REAR MARKER LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP OUTSIDE REARVIEW MIRROR SWITCH PASSENGER BACK HEATED SEAT ELEMENT PASSENGER CUSHION HEATED AUXILIARY SEAT POWER ELEMENT OUTLET PASSENGER DOOR LOCK SWITCH PASSENGER HEATED SEAT MODULE PASSENGER WINDOW SWITCH POWER STEERING CONTROL MODULE (PSCM) REAR COMPARTMENT LID RELEASE ACTUATOR REAR WINDOW DEFOGGER GRID RIGHT FRONT FOG LAMP RIGHT FRONT MARKER LAMP RIGHT HEADLAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT RIGHT REAR BACKUP MARKER LAMP LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP SEDAN SEDAN, COUPE SUNROOF MOTOR UNDERHOOD CHMSL FUSE BLOCK RELAY (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) W/ FRONT HEATED SEATS W/ POWER SLIDING SUNROOF GLASS W/ POWER WINDOWS, REMOTE OUTSIDE MIRRORS W/O POWER SLIDING SUNROOF GLASS W/O POWER WINDOWS, REMOTE OUTSIDE MIRRORS 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