Chevrolet·Cobalt·2008 Chevrolet Cobalt·Wiring
Wiring diagram

2008 Chevrolet Cobalt — power distribution

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Power distribution

1 2 2 1 1 2 A 15A (+) BAT 10A 30 87 86 85 30 10A 30 85 30 85 86 87 86 87 86 30 20A 10A D C 50A 15A 10A 10A 20A CTRL COIL RELAY CRANK RUN/ 5A 30A B 40A 60A 40A 20A 30A 30A 25A 40A 30A BATTERY UNDERHOOD FUSE BLOCK STARTER GENERATOR CRANK RELAY COOLING FAN 1 RELAY WPR LO/HI RELAY COOLING FAN 2 RELAY WPR ON/OFF RELAY REAR DEFOG RELAY CHMSL RELAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) POWER STEERING CONTROL MODULE (PSCM) HVAC RELAY BODY CONTROL MODULE (BCM) TRANSMISSION CONTROL MODULE (TCM) BODY CONTROL MODULE (BCM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE OUTSIDE REARVIEW MIRROR SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) BODY CONTROL MODULE (BCM) DATA LINK CONNECTOR (DLC) INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) ENGINE CONTROL MODULE (ECM) BACK UP LAMP SWITCH 16 B5 X1 62 1 X3 B3 X5 X3 X5 8 A C 32 1 X5 E5 1 A5 A A B X1 19 B3 E5 X1 31 19 E6 20 X5 B2 A F5 X1 X1 X5 A2 15 B4 X3 B2 G C5 X3 D10 X4 C2 C1 X1 + A X6 14 B1 X4 C A X5 D5 RED/ WHT WHT RED/ WHT RED/ BLK PNK/ BLK PNK/ BLK WHT RED/ WHT RED/ RED BLK RED/ PNK/ BLK BLK PNK/ PNK PNK PNK PNK YEL BLK WHT RED/ BLK RED/ RED/ BLK BLK RED/ BLK RED/ WHT RED/ WHT RED/ WHT BLK RED/ RED RED RED BLK RED INLINE FUSE FUSIBLE LINK COOLING FAN 2 FUSE COOLING FAN 1 FUSE REAR DEFOG FUSE WIPER FUSE CRANK FUSE CHMSL FUSE ABS FUSE ABS 3 FUSE EPS FUSE BCM2 FUSE OUTLET FUSE BCM3 FUSE CIGAR LIGHTER AUXILIARY POWER OUTLET RUN/ CRANK RELAY MIR/ UGDO FUSE CNSTR VENT FUSE DLC FUSE SDM FUSE ECM/ TRANS FUSE IP IGN FUSE BACK UP FUSE ABS 2 FUSE W/ ACTIVE BRAKE W/O ACTIVE BRAKE (NOT USED) A/T IF EQUIPPED (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) (UNDER DRIVER'S SEAT) (BEHIND RIGHT SIDE OF DASH) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) (LEFT SIDE OF ENGINE COMPARTMENT, UNDER COOLANT RESERVOIR) G301 G203 G101 TO BODY CONTROL MODULE (DIAGRAM 2 OF 3) TO BODY CONTROL MODULE (DIAGRAM 3 OF 3) TO POWER- TRAIN RELAY (DIAGRAM 2 OF 3) TO BODY CONTROL MODULE (DIAGRAM 3 OF 3)
30 85 30 30 85 30 86 86 30 87 85 E F E F CTRL RLY 40A 10A 10A 10A 15A 15A 30A CTRL RLY 15A A 20A 15A 15A 10A C UNDERHOOD FUSE BLOCK AIR PUMP RELAY HEATED OXYGEN SENSOR (HO2S) 2 HEATED OXYGEN SENSOR (HO2S) 1 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) AIR SOL RELAY A/C CLUTCH RELAY FOG LAMP PCB RELAY DRL PCB RELAY LOW BEAM PCB RELAY HORN PCB RELAY FUEL PUMP RELAY PRK LAMP PCB RELAY HIGH BEAM PCB RELAY TRUNK PCB RELAY PASSENGER HEATED SEAT CONTROL MODULE DRIVER HEATED SEAT CONTROL MODULE IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 4 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 1 FUEL INJECTOR 4 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 BODY CONTROL MODULE (BCM) LOGIC DOOR LOCK PCB RELAY DOOR UNLOCK PCB RELAY DR DOOR UNLOCK PCB RELAY INTERIOR LIGHT PCB RELAY UNDERHOOD FUSE BLOCK DRIVER WINDOW SWITCH RADIO REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) PASSENGER WINDOW SWITCH TRANSMISSION CONTROL MODULE (TCM) ENGINE CONTROL MODULE (ECM) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) DIGITAL RADIO RECEIVER SUNROOF SWITCH 16 X1 X1 20 5 5 D D D D A A A A D A8 D A C B9 F6 X1 E2 X5 13 X1 E10 X4 C 15 F5 X2 X1 32 X1 A2 X5 E3 X5 E4 D4 X3 E C3 X2 C5 E A D5 1 X1 4 X4 D10 X3 D1 C11 X2 X1 73 B1 X5 X1 D9 RED/ WHT PNK PNK PNK WHT RED/ PNK/WHT PNK PNK/ WHT PNK/ WHT WHT PNK/ PNK/ WHT PNK/ WHT PNK PNK PNK/BLK PNK/BLK PNK/BLK BRN WHT RED/ RED/ WHT WHT RED/ RED/ WHT DK GRN DK GRN DK GRN DK GRN WHT RED/ WHT RED/ BLK RED/ RED/ WHT BLK PNK/ PNK/ WHT WHT PNK/ AIR PUMP FUSE POWERTRAIN RELAY PCM/ECM FUSE EXH FUSE INJ FUSE TRUNK/HTD SEATS FUSE DOOR LOCK FUSE INT LIGHT FUSE ECM/ TCM FUSE XM/ ONSTAR FUSE RAP RELAY RADIO FUSE POWER WINDOW FUSE SUNROOF FUSE (NOT USED) (2.2L/SULEV) (NOT USED) W/ KEYLESS ENTRY W/ POWER SLIDING SUNROOF (COUPE) (SEDAN) M/T (IF EQUIPPED) (IF EQUIPPED) (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) (IN THE IGNITION COIL HARNESS) (IN FUEL INJECTORS HARNESS, TOP, LEFT SIDE OF ENGINE) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) J141 J103 FROM BCM3 FUSE (DIAGRAM 1 OF 3) TO SPLICE J141 (DIAGRAM 2 OF 3) TO SPLICE J103 (DIAGRAM 2 OF 3) FROM INJ FUSE (DIAGRAM 2 OF 3) FROM INJ FUSE (DIAGRAM 2 OF 3) FROM INLINE FUSE (DIAGRAM 1 OF 3)
OFF ACC START OFF ACC RUN START RUN OFF ACC RUN START ACC OFF RUN START 10A 2A 10A D 10A 10A 20A 10A ACC RUN/ CRANK CRANK RUN/ OFF/ REF 5V 2A 10A B BODY CONTROL MODULE (BCM) LOGIC HVAC CONTROL MODULE THEFT DETERRENT CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) AUDIO AMPLIFIER THEFT DETERRENT MODULE IGNITION LOCK CYLINDER CONTROL SOLENOID BODY CONTROL MODULE (BCM) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL POWER STEERING CONTROL MODULE (PSCM) INFLATABLE RESTRAINTS SENSING & DIAGNOSTIC MODULE (SDM) HVAC CONTROL MODULE INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR WINDSHIELD WIPER/ WASHER SWITCH DRIVER HEATED SEAT SWITCH PASSENGER HEATED SEAT SWITCH INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE INSTRUMENT PANEL CLUSTER LEFT STEERING WHEEL CONTROL SWITCH X3 A6 X4 4 9 X3 D11 X4 X1 1 2 X2 X4 F4 A1 F6 11 D X3 A8 D F5 X1 C X2 C 4 X2 F9 6 33 D7 X3 D D6 X3 E6 X4 X2 A4 F1 X4 A1 8 E1 B C8 D3 X4 56 X2 62 3 4 5 6 2 D1 13 X4 C1 X3 D12 PNK PNK WHT RED/ BRN BRN PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK WHT RED/ WHT RED/ BRN BRN YEL WHT BLK WHT/ WHT RED/ WHT RED/ WHT RED/ STOP LP FUSE HVAC/ PK3 + FUSE IGN SW/ PK3 + FUSE CLUSTER FUSE AMPLIFIER FUSE IGNITION SWITCH KEY-IN IGNITION SWITCH HVAC/ IP IGN FUSE EPS/STR WHL CNTRL FUSE WIPER FUSE AIR BAG FUSE (NOT USED) (NOT USED) W/ PERFORMANCE ENHANCED AUDIO (A/T) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) (BEHIND INFLATABLE RESTRAINT STEERING WHEEL MODULE, IN STEERING COLUMN) (UNDER CENTER DASH, ON RIGHT SIDE OF CENTER CONSOLE) J206 FROM BCM2 FUSE (DIAGRAM 1 OF 3) FROM RUN/CRANK RELAY (DIAGRAM 1 OF 3)