Chevrolet·Impala·2012 Chevrolet Impala·Wiring
Wiring diagram

2012 Chevrolet Impala — power distribution

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Power distribution

A 87 10A 30 87 85 86 25A K 200A 10A J J 25A 2A 10A B 20A 25A 10A 15A 15A 20A 15A 60A 60A 25A 20A 60A 30A 60A (8 GA- BLK/WHT) 20A UNDERHOOD FUSE BLOCK BATTERY STARTER ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) TRANSMISSION CONTROL MODULE (TCM) BLOWER MOTOR CONTROL MODULE BODY CONTROL MODULE (BCM) RADIO EMERGENCY VEHICLE HEADLAMP FLASHER GENERATOR I/P FUSE BLOCK DRIVER DOOR UNLOCK PCB RELAY DOOR UNLOCK PCB RELAY DOOR LOCK PCB RELAY TRUNK RELAY AUDIO AMPLIFIER DIGITAL RADIO RECEIVER EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP RELAY OUTSIDE REARVIEW MIRROR SWITCH HEATED SEAT CONTROL MODULE I/P FUSE BLOCK PASSENGER SEAT ADJUSTER SWITCH SUNROOF CONTROL MODULE DRIVER WINDOW SWITCH PASSENGER WINDOW SWITCH AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID INSIDE REARVIEW MIRROR SUNROOF CONTROL MODULE BODY CONTROL MODULE (BCM) DRIVER SEAT ADJUSTER SWITCH A X398 F X398 X1 B X409 A X210 A8 X200 A6 X490 3 13 F B1 A X604 X600 A2 X503 A2 X500 A2 X200 A2 A X313 A X311 B6 X490 C2 X503 C2 X500 L X313 X311 G 38 13 C2 X1 16 F2 A3 X5 11 X1 E A X1 B3 B2 J1 D D4 X600 E D 6 G H1 3 9 C3 C4 C1 C2 X2 1 B X2 X122 C X1 C B1 X3 2 X3 32 52 X1 X1 G2 X2 1 C A X3 4 E2 D2 A6 X4 D2 G2 X1 E1 F2 E1 D1 X1 G1 E3 X4 E3 F1 A F3 YEL RED/ WHT WHT RED/ WHT RED/ WHT RED/ WHT RED/ YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL RED/ WHT RED/ WHT WHT RED/ RED/ WHT RED RED RED/ WHT RED WHT RED/ RED/BLK RED/ BLK TAN TAN BLK YEL YEL YEL BLK YEL/ BLK WHT RED/ RED/ WHT WHT RED/ RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT WHT RED/ WHT RED/ WHT RED/ RED/ WHT WHT RED/ WHT RED/ WHT RED/ BLK RED/ RED/ BLK RED/ WHT WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ BLK RED/ BLK RED/ BLK RED/ WHT RED/ WHT RED/ RED/ WHT BLK RED/ BLK RED/ RED RED W/ IGNITION & MAIN POWER SUPPLY PROVISION W/ POLICE W/ HEADLAMP FLASHER W/O HEADLAMP FLASHER W/O IGNITION & MAIN POWER SUPPLY PROVISION (NOT USED) W/ DIGITAL AUDIO W/ FRONT SEAT HEATER (W/ ENHANCED AUDIO SPEAKER SYSTEM) 1 2 3 W/ DUAL READING LAMPS W/ DUAL READING LAMPS & POWER SLIDING ROOF W/ POWER SLIDING ROOF (IF EQUIPPED) W/ DUAL READING LAMPS OR POWER SLIDING ROOF W/ FRONT COMPARTMENT FLOOR CONSOLE W/ POLICE 1 2 3 (NOT USED) W/ 8 WAY DRIVER SEAT ADJUSTER W/O 8 WAY DRIVER SEAT ADJUSTER (IF EQUIPPED) (BLUNT CUT) ECM/ TCM FUSE HDLP MDL FUSE INT LTS/ PNL DIM FUSE ABS MTR2 FUSE ABS MTR1 FUSE RADIO FUSE BATT 4 FUSE BATT 2 FUSE BATT 1 FUSE CABLE PRO FUSE FUSIBLE LINK HTD/ SEAT FUSE DR/LCK FUSE AIR BAG FUSE PWR/MIR FUSE AMP FUSE XM FUSE AUX FUSE CNSTR FUSE RAP RELAY PWR/SEAT CIRCUIT BREAKER S/ROOF FUSE PWR/WNDW CIRCUIT BREAKER RAP FUSE (RIGHT SIDE OF ENGINE COMPARTMENT) (RIGHT KICK PANEL) (RIGHT KICK PANEL) (BODY WIRING HARNESS, 10 CM FROM SECOND BREAKOUT TO X302) (10 CM FROM BREAKOUT TO X398) (FLOOR, RIGHT OF FRONT PASSENGER'S SEAT) J375 J311 J364 G302 TO RT T/SIG FUSE (DIAGRAM 2 OF 4) TO FUSIBLE LINK (DIAGRAM 2 OF 4) TO S/ROOF FUSE (DIAGRAM 1 OF 4) TO CENTER SEAT ACCESSORY POWER OUTLET (DIAGRAM 2 0F 4) FROM PWR/MIR FUSE (DIAGRAM 1 OF 4)
A 10A 10A 10A 10A C 25A 15A 15A (3-GA (2-GA (3-GA 50A GRY/WHT) BLU/BLK) BLU/BLK) K (3-GA 30A 30A BLU/BLK) B UNDERHOOD FUSE BLOCK ENGINE CONTROL MODULE (ECM) BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) CONTROL SOLENOID VALVE ASSEMBLY JX206 INFLATABLE RESTRAINT I/P MODULE INDICATOR HVAC CONTROL MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) C7 C3 X360 A X362 A X1 X1 13 D4 X200 J2 X1 K1 X4 K4 X3 G2 X1 51 C2 H1 X4 21 X4 E2 X2 D2 J3 J2 A C C B B A A A A 1 3 X4 C B B D E A B7 B5 C5 B1 B3 C1 A A A A 17 2 X1 4 20 C C C C PNK NCA NCA PNK PNK PNK PNK BLK/ WHT YEL RED/ WHT WHT RED/ RED/ WHT RED/ WHT BLK/ WHT BLK BLK RED/ RED/ BLK BLK BLK RED/ RED/ BLK BLK BLK RED/ RED/ BLK RED/ BLK WHT RED/ WHT RED/ RED/ PNK WHT PNK PNK PNK PNK DK DK GRN BLK LT GRN BLU BLK LT BLU WHT RED/ WHT RED/ WHT RED/ WHT RED/ RED/ WHT WHT RED/ RED/ PNK PNK PNK PNK BLK BLK BLK BLK BLK BLK BLK (BLUNT CUT) (W/ FLOOR CONSOLE) (W/ FLOOR CONSOLE) W/ POLICE (W/ IGNITION & MAIN POWER SUPPLY PROVISION & POLICE) (BLUNT CUT RIGHT FRONT FLOOR PROVISION) (BLUNT CUT RIGHT FRONT FLOOR PROVISION) (BLUNT CUT RIGHT FRONT FLOOR PROVISION) W/ FLOOR CONSOLE W/O FLOOR CONSOLE IGN MAIN PCB RELAY RT T/SIG FUSE AUX PWR FUSE LT T/SIG FUSE PWR DROP/ CRNK FUSE AIR BAG/ DISPLAY FUSE TRANS FUSE ECM IGN FUSE I/P ACCESSORY POWER OUTLET 2 I/P ACCESSORY POWER OUTLET 1 FUSIBLE LINK FUSIBLE LINK FUSIBLE LINK FUSIBLE LINK AUXILIARY FUSE BLOCK CIRCUIT BREAKER 1 CIRCUIT BREAKER 2 CIRCUIT BREAKER 3 SEO 1 RELAY SEO 2 RELAY REAR JUNCTION BLOCK CENTER SEAT ACCESSORY POWER OUTLET CENTER CONSOLE ACCESSORY POWER OUTLET 2 CENTER CONSOLE ACCESSORY POWER OUTLET 1 CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET (RIGHT SIDE OF ENGINE COMPT) (ABOVE STARTER MOTOR) (RIGHT SIDE OF DASH) (I/P WIRING HARNESS, 15.5 CM FROM 3RD BREAKOUT TO BRAKE PEDAL POSITION SENSOR) (RIGHT SIDE OF TRUNK) (LEFT SIDE OF DASH) (I/P HARNESS, NEAR STEERING COLUMN) (FLOOR CONSOLE WIRING HARNESS, 5 CM FROM BREAKOUT TO X340) (FLOOR, RIGHT OF FRONT PASSENGER'S SEAT) J101 J250 J238 J231 J375 G111 G200 G201 G302 FROM HDLP MDL FUSE (DIAGRAM 1 OF 4) TO CHMSL/BCKUP FUSE (DIAGRAM 3 OF 4) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 4) FROM AUX FUSE (DIAGRAM 1 OF 4)
B+ IGN 30 87 30 30 10A VOLT POSITIVE BATTERY D 15A 15A 15A 60A 10A 10A C 10A 30 30 E 10A ACC RUN START START ACC RUN OFF START RUN OFF 30A 30A D 10A 25A OFF ACC OFF ACC RUN START START RUN OFF ACC IGN 1 VOLT ACC VOLT IGN 5 VOLT BATTERY VOLT POSITIVE REFERENCE UNDERHOOD FUSE BLOCK FOG LP PCB RELAY BODY CONTROL MODULE (BCM) JX206 SECONDARY AIR INJECTION (AIR) PUMP SOLENOID RELAY SECONDARY AIR INJECTION (AIR) PUMP RELAY LEFT SPOT LAMP RIGHT SPOT LAMP VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) GARAGE DOOR OPENER DATA LINK CONNECTOR (DLC) INSTRUMENT PANEL CLUSTER (IPC) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) HVAC CONTROL MODULE UNDERHOOD FUSE BLOCK REAR DEFOG RELAY WIPER PCB RELAY FAN 3 RELAY FAN 1 RELAY A/C CMPRSR RELAY WIPER HIGH PCB RELAY DRL PCB RELAY HIGH BEAM PCB RELAY LOW BEAM PCB RELAY THEFT DETERRENT MODULE (TDM) BODY CONTROL MODULE (BCM) X490 A4 A4 X203 C7 A X201 X4 F3 1 X1 15 X2 B2 X1 D2 B3 E2 B3 A4 D1 B2 A A L K J H 4 1 10 X1 X4 4 2 2 X2 G 16 X4 2 6 10 X4 G1 X2 B1 1 1 3 2 X1 14 21 5 2 4 3 X3 RED/ WHT RED/ WHT RED/ WHT RED/ WHT WHT RED/ BLK RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ RED/ WHT WHT RED/ WHT RED/ RED/ WHT WHT RED/ WHT RED/ RED/ WHT RED/ WHT RED/ WHT NCA NCA RED/ BLK RED/ WHT RED/ RED/ RED/ WHT WHT WHT RED/ WHT WHT RED/ WHT RED/ RED/ WHT RED/WHT RED/ WHT RED/WHT WHT RED/ WHT/ BLK RED/ WHT RED/ WHT PNK BRN BRN PNK BRN WHT WHT BLK WHT RED/ WHT/ W/ GARAGE DOOR OPENER W/O GPS W/ GPS & GARAGE DOOR OPENER W/ GPS W/O GARAGE DOOR OPENER W/ PZEV & BIN 4 (IF EQUIPPED) (IF EQUIPPED) (GDO) AIR SOL FUSE AIR PUMP FUSE LT SPOT FUSE INT LIGHTS FUSE RT SPOT FUSE CHMSL/ BCKUP FUSE DISPLAY FUSE ONSTAR FUSE WPR FUSE FAN 2 FUSE FAN 1 FUSE RVC SEN FUSE BCM FUSE IGNITION SWITCH KEY IN IGNITION SWITCH (RIGHT SIDE OF ENGINE COMPT) (I/P HARNESS, NEAR STEERING COLUMN) (RIGHT SIDE OF ENGINE COMPT) (STEERING COLUMN HARNESS, BETWEEN BCM CONNECTOR C1 & IGNITION SWITCH) J204 TO DRL PCB RELAY (DIAGRAM 3 OF 4) FROM IGN MAIN PCB RELAY (DIAGRAM 2 OF 4) FROM RT SPOT FUSE (DIAGRAM 3 OF 4) TO PARK PCB RELAY (DIAGRAM 4 OF 4)
30 85 85 86 86 85 87 30 86 85 87 30 15A G 15A E 15A 86 85 15A G 15A UNDERHOOD FUSE BLOCK VACUUM PUMP RELAY STRTR RELAY FUEL/ PUMP RELAY WS WASH PCB RELAY PARK LP PCB RELAY HORN PCB RELAY IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 4 IGNITION COIL 2 IGNITION COIL 6 ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) UNDERHOOD FUSE BLOCK A/C CMPRSR RELAY FAN 3 RELAY FAN 1 RELAY FAN 2 RELAY SECONDARY AIR INJECTION (AIR) PUMP SOLENOID RELAY SECONDARY AIR INJECTION (AIR) PUMP RELAY EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE HEATED OXYGEN SENSOR (HO2S) 2 HEATED OXYGEN SENSOR (HO2S) 1 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR 67 X1 D D D D D D 62 X1 X1 B5 X1 B4 B2 B1 A6 73 72 A8 B B3 D D A A5 PNK/ BLK PNK/ BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK/ BLK PNK/ BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK/ BLK YEL BLK PNK/ PNK/ BLK YEL BLK PNK/ PNK/ BLK BLK PNK/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ BLK NCA PNK/ BLK NCA BLK PNK/ BLK PNK/ (W/ PZEV & BIN 4) (W/ PZEV & BIN 4) PWR/TRN RELAY IGN 2 FUSE IGN 1 FUSE ETC/ECM FUSE EMISSIONS 1 FUSE EMISSIONS 2 FUSE J109 (RIGHT SIDE OF ENGINE COMPT) (ENGINE HARNESS, LEFT REAR OF ENGINE) (ENGINE HARNESS, RIGHT FRONT OF ENGINE) (RIGHT SIDE OF ENGINE COMPT) (FUEL INJECTOR WIRING HARNESS) J162 J164 FROM A/C CMPRSR RELAY (DIAGRAM 3 OF 4) TO EMISSIONS 1 FUSE (DIAGRAM 4 OF 4) FROM INJ 2 FUSE (DIAGRAM 4 OF 4)