Chevrolet Cobalt I (2004-2010) (lower left front of transmission case) Wiring diagrams

ACC VOLTS ACCELERATOR PEDAL POSITION (APP) SENSOR (NEAR ACCELERATOR PEDAL BRACKET) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL ON IND DATA BUS - DK BLU WIRE DK GRN WIRE EPS/ STR WHL CRUISE CNTRL CTRL FUSE 19 SW SIG VOLTS GRY WIRE HOT W/ RUN/CRANK RELAY ENERGIZED LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL VSS LOW SIG RES+ SET- TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (TOP OF INTAKE MANIFOLD) VEHICLE SPEED SENSOR (VSS) VSS HIGH SIG WHT WIRE WHT/BLK WIRE YEL WIRE

67 18 21 41 5 VOLT REF APP SENS 2 SIG LOW REF LOW REF APP SENS 1 SIG 5 VOLT REF ACCELERATOR PEDAL POSITION (APP) SENSOR (NEAR ACCELERATOR PEDAL BRACKET) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CPP SIG SENS CPP SW SIG CRUISE CONTROL ON IND DATA BUS - DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EPS/ STR WHL CRUISE CNTRL CTRL FUSE 19 SW SIG IGN GRY WIRE HOT W/ RUN/CRANK RELAY ENERGIZED IGN LEFT STEERING WHEEL CONTROL SWITCH LOGIC LOW REF LT BLU WIRE LT GRN WIRE ORG/GRN WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RES+ SET- TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (TOP OF INTAKE MANIFOLD) TRANSMISSION VEHICLE SPEED SENSOR (VSS) (TOP OF MANUAL VSS HIGH SIG VSS LOW SIG WHT WIRE WHT/BLK WIRE YEL WIRE

2.2L, W/ SULEV A/C COMPRESSOR CLUTCH DIODE BLK WIRE BODY CONTROL MODULE (BCM) DR DOOR UNLOCK PCB RELAY COOL FANS RELAY DATA LINK CONNECTOR (DLC) DOOR LOCK PCB RELAY DOOR UNLOCK PCB RELAY DRIVER TURN SIGNAL/ HEATED MULTI-FUNCTION SEAT SWITCH SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE COOLING FAN FOG LAMP PCB RELAY FUEL PMP RELAY HORN HVAC CONTROL MODULE IGNITION COIL/ MODULE 1 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 4 INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT FOG LAMP LEFT FRONT MARKER LAMP LEFT HEADLAMP LEFT PARK/TURN SIGNAL LAMP MASS AIR FLOW (MAF)/ INTAKE AIR TEMPE- RATURE (IAT) SENSOR NCA WIRE PASSENGER HEATED SEAT SWITCH REAR COMPARTMENT LID RELEASE SWITCH REAR DEFOG RELAY REMOTE (IF CONTROL EQUIPPED) DOOR LOCK FOG RECEIVER LAMP (RCDLR) SWITCH RUN/ CRNK RELAY SECONDARY AIR INJECTION (AIR) PUMP THEFT DETERRENT MODULE RADIO (TDM) UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) W/ FRONT HEATED SEATS WHT WIRE WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER MOTOR WIPER HI/LO RELAY WIPER ON/OFF RELAY

BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CRANK FUSE CRANK RELAY ENGINE CONTROLS SYSTEM HI SPEED GMLAN SERIAL DATA - HOT AT ALL TIMES IGNITION SWITCH OFF OFF/RUN/CRANK VOLTAGE PARK/NEUTRAL POSITION (PNP) SWITCH (REAR OF ENGINE, ON TOP OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE REF RUN WIRE STARTER STARTER CONTROL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE WHT/BLK WIRE

1-2 SHIFT SOLENOID (1-2 SS) VALVE 2-3 SHIFT SOLENOID (2-3 SS) VALVE ACC VOLTAGE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR 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 BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECM/ TCM FUSE 25 ECM/ TRANS FUSE GMLAN BUS (-) GMLAN BUS (+) GMLAN BUS (-) GMLAN BUS (+) SW SIG D PC SOL HI CTRL VSS HIGH SIG STOP LMP SW SIG GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START ISS LOW SIG LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (REAR OF ENGINE, ON TOP OF TRANSMISSION) PNK WIRE PPL PPL VSS LOW SIG PC SOL VLV LO CTRL RED WIRE RED/WHT WIRE SW SIG A TFT SENS LOW REF IGN 1 VOLTAGE B(+) TFP SW SIG C SW SIG B SW SIG C SW SOL VALVE CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC RELEASE SW SIG TFP SW SIG B TFT SENS SIG TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (IN ENGINE COMPARTMENT, NEXT TO LEFT STRUT TOWER) VEHICLE SPEED SENSOR (VSS) VOL CTRL WHT WIRE YEL WIRE YEL/BLK WIRE

AIR PUMP FUSE AIR PUMP RELAY (W/ PZEV) AIR SOL FUSE AIR SOL RELAY (W/ PZEV) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CNSTR VENT FUSE COMPUTER DATA LINES SYSTEM DATA GMLAN DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID (TOP REAR OF ENGINE) EXH FUSE HOT AT ALL TIMES IGN INJ FUSE INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE MALFUNC- TION INDICATOR LAMP NCA WIRE ORG/ WIRE ORG/BLK WIRE PCM/ECM FUSE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL PWR/TRN RELAY RED/WHT WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER LEFT SIDE OF ENGINE, NEAR OIL PAN) TAN WIRE UP SHIFT IND WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT 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 IC 1 CTRL IC 2 CTRL IGN 1 VOL IGNITION COIL/ MODULE 1 (TOP OF ENGINE, UNDER COVER AT CYLINDER 1) IGNITION COIL/ MODULE 2 (TOP OF ENGINE, UNDER COVER AT CYLINDER 2) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF IAT ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL STRUT TOWER) TAN WIRE UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT WHT WIRE YEL 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