Buick·Century·2005 Buick Century·Wiring
Wiring diagram

2005 Buick Century — power distribution

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Power distribution

1 2 2 1 A A L 15A 10A RUST) 60A 20A 20A 2A 15A 15A 30A C C 60A 30A 30A D 60A B 15A 10A 15A 60A 10A 10A 7.5A 20A 15A 15A 15A 15A 15A 25A 40A (10 GA- BATTERY STARTER F/PMP RELAY 19 CRANK RELAY 11 COOL FAN 3 RELAY 10 HORN RELAY 16 COOL FAN 2 RELAY 9 COOL FAN 1 RELAY 12 A/C CLUTCH RELAY 15 ELECTRONIC BRAKE CONTROL MODULE (EBCM) GENERATOR UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK AUTOMATIC HEADLAMP RELAY HEADLAMP SWITCH POWERTRAIN CONTROL MODULE (PCM) BACK-UP LAMP RELAY GENERATOR PARK LAMP RELAY LEFT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT HEADLAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY I/P FUSE BLOCK BODY CONTROL MODULE (BCM) DATA LINK CONNECTOR (DLC) HVAC CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) INSTRUMENT PANEL CLUSTER (IPC) RADIO I/P FUSE BLOCK REAR WINDOW DEFOGGER RELAY DRIVER SEAT ADJUSTER SWITCH OUTSIDE REARVIEW MIRROR SWITCH BODY CONTROL MODULE (BCM) BLOWER MOTOR RESISTOR ASSEMBLY BLOWER MOTOR CONTROL PROCESSOR REAR COMPARTMENT LID RELEASE RELAY STOPLAMP SWITCH TURN SIGNAL/ HAZARD FLASHER MODULE P7 H E2 C3 F F2 A A A A J8 J7 R2 M8 R11 C1 B1 M10 T3 T2 T10 R10 A2 A1 C2 L C1 A1 C2 C1 C2 B1 A1 B6 E10 C1 A B B C7 C4 J G C1 A E9 B G C6 B A C1 C6 A C A K C4 D A2 5 16 C12 C4 A C3 C1 A8 D C1 20 D8 A1 E C2 F1 E1 H F F1 E1 ORG ORG/ BLK RED GRN RED GRN BLK ORG RED ORG BLK ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG/ RED RED ORG ORG ORG ORG ORG NCA ORG ORG ORG ORG RED RED NCA ORG ORG ORG RED RED RED RED BLK ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG RED ORG ORG ORG ORG BLK ORG/ ORG BLK BLK RED BLK W/ RAP PERFORMANCE ENHANCED AUDIO, DUAL FRONT DOOR MTD 4 SPEAKER SYSTEM, W/ ACCESSORY CONT ELECTRONIC SYSTEM (NOT USED) MANUAL A/C AUTOMATIC A/C AUTOMATIC A/C MANUAL A/C (IF EQUIPPED) G200 ABS FUSE 1 F/PMP FUSE 35 FUSIBLE LINK A/C CLUTCH FUSE 23 HORN FUSE 27 CRANK FUSE 2 COOL FAN 2 FUSE 24 COOL FAN 1 FUSE 6 HDLP L FUSE 36 BATT 3 FUSE 3 GEN FUSE 21 BATT 1 FUSE 7 HDLP R FUSE 32 R/CMPT REL FUSE 33 BATT 2 FUSE 4 ECM FUSE 22 LP PARK FUSE 34 REAR DEFOG CIRCUIT BREAKER POWER SEAT CIRCUIT BREAKER ACCY PWR BUS FUSE RADIO PREM SOUND FUSE RADIO, HVAC RFA, CLUSTER ALDL FUSE BCM PWR FUSE LTR FUSE CIGAR LIGHTER HIGH BLOWER FUSE POWER MIRRORS FUSE HAZARD FUSE DOOR LOCKS FUSE STOP LAMPS FUSE (MOUNTED TO RIGHT FRONT STRUT TOWER) (MOUNTED TO RIGHT FRONT STRUT TOWER) (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) (I/P WIRING HARNESS, RIGHT SIDE OF STEERING COLUMN, 19 CM FROM RADIO BREAKOUT) (BEHIND RIGHT SIDE OF DASH COMPT) (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) (I/P WIRING HARNESS, NEAR BLOWER MOTOR, 13 CM FROM DOOR LOCK RELAY BREAKOUT) S275 S202 S230 S269 TO HDLP L FUSE 36 (DIAGRAM 1 OF 3) FROM F/PMP FUSE 35 (DIAGRAM 1 OF 3) TO IGN 2 FUSE 8 (DIAGRAM 2 OF 3) TO HIGH BLOWER FUSE (DIAGRAM 1 OF 3) TO ONSTAR FUSE, DIAGRAM (2 OF 3) TO RETAINED ACCESSORY POWER (RAP) RELAY (DIAGRAM 2 OF 3) FROM BATT 2 FUSE 4 (DIAGRAM 1 OF 3)
2 2 1 2 1 2 1 1 L 5A OFF RUN START ACC LOCK OFF LOCK ACC START RUN OFF RUN START ACC LOCK OFF ACC LOCK RUN START OFF LOCK ACC START RUN 10A 10A H 10A 10A 20A F H G F 10A 25A 30A E 30A D 60A B UNDERHOOD FUSE BLOCK BODY CONTROL MODULE (BCM) I/P FUSE BLOCK UNDERHOOD FUSE BLOCK INSTRUMENT PANEL CLUSTER (IPC) POWERTRAIN CONTROL MODULE (PCM) BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) TURN SIGNAL/ MULTI- FUNCTION SWITCH DRIVER WINDOW MASTER SWITCH WINDSHIELD WIPER MOTOR I/P FUSE BLOCK UNDERHOOD FUSE BLOCK VEHICLE COMMUNICATIONS INTERFACE MODULE (VCIM) POWERTRAIN CONTROL MODULE (PCM) VACUUM CONTROL ASSEMBLY BODY CONTROL MODULE (BCM) INSTRUMENT PANEL CLUSTER (IPC) REAR WINDOW DEFOGGER RELAY CRUISE CONTROL RELEASE SWITCH RIGHT AIR TEMPERATURE ACTUATOR HVAC CONTROL MODULE LEFT AIR TEMPERATURE ACTUATOR HEATER- A/C CONTROL CRUISE CONTROL MODULE TURN SIGNAL/ MULTI- FUNCTION SWITCH B3 C1 16 C1 10 5 C2 C5 5 C 10 C2 6 A3 B9 C3 23 C2 D9 C2 D9 C1 A6 B F C1 B C1 E8 C2 A7 C1 19 C3 B10 A8 C3 B8 E5 B C D1 C5 C1 D5 C5 B C6 D6 D2 C1 C3 A10 A1 C4 B A2 C2 YEL BRN ORG ORG/ BLK DK BLU DK BLU BRN PPL BRN (OR DK BLU) YEL BRN BRN BRN BRN BRN BRN PPL PPL PPL PPL BRN BRN BRN PNK BRN ORG PPL PPL PPL PPL DK GRN PPL YEL YEL YEL YEL YEL YEL BRN BRN YEL BRN BRN BRN RED YEL YEL PNK PNK DK GRN WHT RED ORG ORG BRN BRN RED RED BLK RED ORG W/ RAP W/O RAP W/ RAP W/O RAP (NOT USED) (AUTOMATIC A/C) (W/ ELECTRONIC AUTOMATIC) (MANUAL A/C) AUTOMATIC A/C MANUAL A/C IGN1 FUSE 5 IGN2 FUSE 8 RETAINED ACCESSORY POWER (RAP) RELAY IGNITION SWITCH PWR WINDOWS PWR SUNROOF CIRCUIT BREAKER IGN 0, CLUSTER, PCM & BCM FUSE BCM ACC FUSE WIPER FUSE CRANK SIGNAL, BCM, CLUSTER FUSE LOW BLOWER FUSE CRUISE FUSE HVAC FUSE ONSTAR FUSE (MOUNTED TO RIGHT FRONT STRUT TOWER) (BEHIND GLOVE BOX, MOUNTED TO UNDERSIDE OF CROSS-CAR BEAM) (I/P WIRING HARNESS, NEAR BLOWER MOTOR, 4 CM FROM DOOR LOCK RELAY BREAKOUT) (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) (I/P WIRING HARNESS, NEAR STEERING COLUMN, 4 CM FROM C201 BREAKOUT) (I/P WIRING HARNESS, BEHIND RIGHT SIDE OF DASH, 4 CM FROM BLOWER MOTOR CONTROL MODULE) (MOUNTED TO RIGHT FRONT STRUT TOWER) (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) (I/P WIRING HARNESS, RIGHT SIDE OF STEERING COLUMN, 13 CM FROM INSTRUMENT CLUSTER BREAKOUT) (I/P WIRING HARNESS, BEHIND CENTER OF DASH, 4 CM FROM RADIO BREAKOUT) (I/P WIRING HARNESS, RIGHT SIDE OF STEERING COLUMN NEAR, C201, 1 CM FROM SP205 BREAKOUT) (MOUNTED TO RIGHT FRONT STRUT TOWER) S263 S270 S249 S234 S240 S233 FROM ACCY POWER BUS FUSE (DIAGRAM 1 OF 3) FROM GEN FUSE 21 (DIAGRAM 1 OF 3) TO IGN MAIN RELAY 13 (DIAGRAM 3 OF 3) TO CRANK SIGNAL BCM, CLUSTER FUSE (DIAGRAM 2 OF 3) TO S228 (DIAGRAM 3 OF 3) TO LOW BLOWER FUSE (DIAGRAM 2 OF 3) FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM BATT 3 FUSE (DIAGRAM 1 OF 3)
10A 10A 10A 15A 15A 15A 10A E 10A 10A 10A 10A G I/P FUSE BLOCK UNDERHOOD FUSE BLOCK STOPLAMP SWITCH INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) BRAKE- TO-SHIFT RELAY TURN SIGNAL/ HAZARD FLASHER MODULE INSTRUMENT PANEL CLUSTER (IPC) ELECTRONIC BRAKE CONTROL MODULE (EBCM) UNDERHOOD FUSE BLOCK CRANK RELAY 11 A/C CLUTCH RELAY 15 HEATED OXYGEN SENSOR (HO2S) 1 HEATED OXYGEN SENSOR (HO2S) 2 BODY CONTROL MODULE (BCM) POWERTRAIN CONTROL MODULE (PCM) 2-3 SHIFT SOLENOID (2-3 SS) VALVE TORQUE CONVERTER CLUTCH SOLENOID VALVE 1-2 SHIFT SOLENOID (1-2 SS) VALVE AUTOMATIC TRANSMISSION EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID VALVE STOPLAMP SWITCH MASS AIR FLOW (MAF) SENSOR EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID VALVE IGNITION CONTROL MODULE (ICM) FUEL INJECTOR 3 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 4 FUEL INJECTOR 2 FUEL INJECTOR 1 C1 A A A M7 K10 M2 K2 M3 K3 A1 C113 C1 C1 A9 C1 C2 A4 D D C1 C2 A A A A A A C4 C A5 A A C2 F2 C2 C E2 C9 D5 C5 C2 B B7 E E9 C1 D2 J C1 C2 24 C2 C2 C1 B2 B12 A1 E7 C2 A A11 RED RED RED RED PNK PNK PNK YEL PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK NCA NCA PNK PNK PNK PNK BLK BLK/WHT PNK PNK PNK PNK YEL PNK PNK PNK PNK PNK PNK PNK PNK G113 PCM,BCM U/H FUSE TURN SIGNAL FUSE BTSI FUSE ABS FUSE AIR BAG FUSE CLUSTER FUSE IGN MAIN RELAY 13 ELEK IGN FUSE 25 OXY SEN FUSE 29 TRANS FUSE 26 F/INJR FUSE 28 ENG EMIS FUSE 30 (I/P WIRING HARNESS, RIGHT SIDE OF DASH, 24 CM FROM G200 BREAKOUT) (BEHIND RIGHT SIDE OF DASH, IN RIGHT DOOR OPENING) (MOUNTED TO RIGHT FRONT STRUT TOWER) (MOUNTED TO RIGHT FRONT STRUT TOWER) (INSIDE TRANSAXLE HOUSING,19 CM FROM C113) (LOWER RIGHT FRONT OF ENGINE, ON TRANSAXLE STUD, LEFT OF STARTER) (FUEL INJECTOR WIRING HARNESS, TOP OF ENGINE, 2 CM FROM FUEL INJECTOR 2 BREAKOUT) S228 S106 S115 S109 FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM IGN 1 FUSE 5 (DIAGRAM 2 OF 3)