Looking for Buick Century fuse box diagrams ? This article covers the sixth-generation Buick Century , produced from 1997 to 2005 , and includes fuse box diagrams for Buick Century 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 and 2005 , along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).
Some fuses and relays are located in the underhood fuse block on the passenger’s side of the vehicle in the engine compartment.
Assignment of the fuses in the engine compartment (1997, 1998, 1999)
Fuse Data
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No. Description 1 Cooling Fan 2 Starter Solenoid 3 Power Seats, Rear Defog 4 High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks 5 Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module 6 Cooling Fan 7 Interior Lamps, Retained Accessory Power, ABS, Keyless Entry, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter 8 Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, AUX Power (Power Drop), Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay 20 – 21 Generator 22 ECM 23 A/C Compressor Clutch 24 – 25 Electronic Ignition 26 Transaxle 27 Horn 28 Fuel Injector 29 Oxygen Sensor 30 Engine Emissions 31 – 32 Headlamp (Right) 33 Rear Compartment Release 34 Parking Lamps 35 Fuel Pump 36 Headlamp (Left) 37 Spare 38 Spare 39 Spare 40 Spare 41 Spare 42 Spare 43 Fuse Puller A/C Commessor Clutch Diode
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Assignment of the relays in the engine compartment (1997, 1998, 1999)
Fuse Data
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No. Description 9 Cooling Fan 2 10 Cooling Fan 3 11 Starter Solenoid 12 Cooling Fan 1 13 Ignition Main 14 – 15 A/C Clutch 16 Horn 17 – 18 – 19 Fuel Pump
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No.43 – Fuse Puller Assignment of the fuses in the engine compartment (2000, 2001)
Fuse Data
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No. Type Description 1 Maxi ABS 2 Maxi Starter Solenoid 3 Maxi Power Seats, Rear Defog 4 Maxi High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks 5 Maxi Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module 6 Maxi Cooling Fan 7 Maxi Interior Lamps, RAP, Keyless Entry, Data Link, HVAC Head, Cluster, Radio, AUX Power, Cigarette Lighter 8 Maxi Ignition Switch, Wipers, Radio, Steering Wheel Controls, BCM, Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay 20 Mini Air Pump (Optional) 21 Mini Generator 22 Mini ECM 23 Mini A/C Compressor Clutch 24 Mini Cooling Fan 25 Mini Electronic Ignition 26 Mini Transaxle
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Assignment of the relays in the engine compartment (2000, 2001)
Fuse Data
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No. Type Description 9 Mini Relay Cooling Fan 2 10 Mini Relay Cooling Fan 3 11 Mini Relay Starter Solenoid 12 Mini Relay Cooling Fan 1 13 Mini Relay Ignition Main 14 Mini Relay Air Pump (Optional) 15 Micro Relay A/C Clutch 16 Micro Relay Horn 17 Micro Relay Not Used 18 Micro Relay Not Used 19 Micro Relay Fuel Pump 27 Mini Relay Horn 28 Mini Relay Fuel Injector 29 Mini Relay Oxygen Sensor 30 Mini Relay Engine Emissions 31 Mini Relay Not Used 32 Mini Relay Headlamp (Right) 33 Mini Relay Rear Compartment Release 34 Mini Relay Parking Lamps 35 Mini Relay Fuel Pump 36 Mini Relay Headlamp (Left) 37 Mini Relay Spare 38 Mini Relay Spare 39 Mini Relay Spare 40 Mini Relay Spare 41 Mini Relay Spare 42 Mini Relay Spare
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Assignment of the fuses in the engine compartment (2002, 2003)
Fuse Data
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No. Type Description 1 Maxi ABS 2 Maxi Starter Solenoid 3 Maxi Power Seats, Rear Defog, Heated Seats 4 Maxi High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks 5 Maxi Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module 6 Maxi Cooling Fan 7 Maxi Retained Accessory Power, Keyless Entry, Data Link, HVAC Head, Cluster, Radio, Auxiliary Power, Cigarette Lighter 8 Maxi Ignition Switch, Wipers, Radio, Steering Wheel Controls, BCM, Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay 20 Mini Not Used 21 Mini Generator 22 Mini ECM 23 Mini A/C Compressor Clutch 24 Mini Cooling Fan 25 Mini Electronic Ignition 26 Mini Transaxle
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Assignment of the relays in the engine compartment (2002, 2003)
Fuse Data
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No. Type Description 9 Mini Relay Cooling Fan 2 10 Mini Relay Cooling Fan 3 11 Mini Relay Starter Solenoid 12 Mini Relay Cooling Fan 1 13 Mini Relay Ignition Main 14 Mini Relay Not Used 15 Mini Relay Not Used 16 Mini Relay Horn 17 Mini Relay Fog Lamps 18 Mini Relay Not Used 19 Mini Relay Fuel Pump 15 Micro Relay A/C Clutch 16 Micro Relay Horn 17 Micro Relay Not Used 18 Micro Relay Not Used 19 Micro Relay Fuel Pump 27 Mini Relay Horn 28 Mini Relay Fuel Injector 29 Mini Relay Oxygen Sensor 30 Mini Relay Engine Emissions 31 Mini Relay Not Used 32 Mini Relay Headlamp (Right) 33 Mini Relay Rear Compartment Release 34 Mini Relay Parking Lamps 35 Mini Relay Fuel Pump 36 Mini Relay Headlamp (Left) 37 Mini Relay Spare 38 Mini Relay Spare 39 Mini Relay Spare 40 Mini Relay Spare 41 Mini Relay Spare 42 Mini Relay Spare 43 Mini Relay Spare – Diode Air Conditioner Compressor Clutch Diode
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Assignment of the fuses in the engine compartment (2004, 2005)
Fuse Data
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№ Description 1 Anti-Lock Brake System 2 Starter Solenoid 3 Power Seat, Rear Window Defogger 4 High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks 5 Ignition Switch, Stoplamps, Anti-Lock Brake System, Turn Signals, Cluster, Air Bag, Daytime Running Lamps Module 6 Cooling Fan 7 Retained Accessory Power, Remote Keyless Entry, Data Link, Heating, Ventilation, and Air Conditioning Head; Cluster, Radio, Cigarette Lighter 8 Ignition Switch, Wipers, Audio Steering Wheel Controls, Body Control Module, Power Windows, Sunroof, Heating, Ventilation, and Air Conditioning Controls; Daytime Running Lamps, Rear Window Defogger Relay 20 Not Used 21 Generator 22 Engine Control Module 23 Air Conditioner Compressor Clutch 24 Cooling Fan 25 Electronic Ignition 26 Transaxle 27 Horn 28 Fuel Injector 29 Oxygen Sensor 30 Engine Emissions 31 Fog Lamps 32 Right Headlamp 33 Rear Compartment Release 34 Parking Lamps 35 Fuel Pump 36 Left Headlamp 37 Not Used 38 Not Used 39 Not Used 40 Not Used 41 Not Used 42 Not Used 43 Not Used Air Conditioner Compressor Clutch Diode
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Assignment of the relays in the engine compartment (2004, 2005)
Fuse Data
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No. Description 9 Cooling Fan 2 10 Cooling Fan 3 11 Starter Solenoid 12 Cooling Fan 1 13 Ignition Main 14 Air Pump (Optional) 15 Not Used 16 Horn 17 Fog Lamps 18 Not Used 19 Fuel Pump
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Some fuses are located in a fuse block on the passenger’s side of the instrument panel. Pull off the cover labeled FUSES to expose the fuse block.
Assignment of the fuses in the passenger compartment (1997, 1998, 1999)
Fuse Data
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No. Description 1 – 4 Ignition Signal – Hot in Run and Start – PCM, BCM U/H Relay 6 Power Mirrors 8 Panel Dimming 10 Ignition Signal – Hot in Run, Unlock and Start – Cluster, Powertrain Control Module, Body Control Module 13 DRL Module 14 Interior Lamps 15 Door Locks 17 Taillamps, License Lamp 18 Radio 19 Heated Mirror 20 Cruise Control 22 Clusters 23 Cigarette Lighter – Auxiliary Power Connection (Power Drop), Data Link 24 Stoplamps 26 Parking Lamps 27 Auxiliary Power Connection (Power Drop) – Hot in ACC and RUN 28 Crank Signal – Body Control Module, Cluster, Powertrain Control Modules 29 Ignition Signal – HVAC Control Head 30 Brake Transmission Shift Interlock (BTSI) 31 Air Bag 32 Anti-lock Brake Controls, Body Control Module 33 Hazard Flashers 34 – 36 Ignition Signal – Hot in ACC and Run – Body Control Module 37 Anti-lock Brake Solenoids 38 Low Blower 39 Anti-lock Brakes 40 Turn Signals 41 Radio, HVAC Head, Remote Keyless Entry, Cluster 42 High Blower 43 – 44 Audio Steering Wheel Controls 45 Wipers
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Assignment of the circuit breakers in the passenger compartment (1997, 1998, 1999)
Fuse Data
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ID. Description A – B Power Windows/Sunroof C Rear Defog D Power Seats
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Assignment of the fuses in the passenger compartment (2000, 2001)
Fuse Data
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Short-Code Description PARK LOCK Ignition Key Solenoid Blank Not Used PCM, BCM, U/H RELAY Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay RADIO PREM. SOUND Remote Radio Premium Sound POWER MIRRORS Power Mirrors PANEL DIMMING Panel Dimming IGN 0, CLUSTER, PCM, BCM Ignition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module DRL Daytime Running Lamps Module INADV POWER BUS Interior Lamps, Retained Accessory Power DOOR LOCKS Door Locks TRAP ALERT Trap Alert TAIL LAMPS, LIC LAMPS Taillamps, License Lamps RADIO Radio HEATED MIRROR Heated Mirrors CRUISE Cruise Control CLUSTER Instrument Panel Cluster CIGAR LTR, DATA LINK Cigarette Lighter, Auxiliary Power Connection (Power Drop), Data Link STOP LAMPS Stoplamps ONSTAR OnStar FRT PARK LPS Parking Lamps POWER DROP Auxiliary Power Connection (Power Drop): Hot in ACC and Run CRANK SIGNAL, BCM, CLUSTER Crank Signal, Body Control Module, Cluster, Powertrain Control Module HVAC Ignition Signal, Heating, Ventilation, and Air Conditioning Control Head BTSI PARK LOCK Shifter Lock Solenoid AIR BAG Air Bag BCM PWR Body Control Module HAZARD Hazard Warning Flashers LH HEATED SEAT Driver’s Heated Seat BCM ACCY Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module LOW BLOWER Low Blower ABS Anti-Lock Brakes TURN SIGNALS, CORN LPS Turn Signals, Cornering Lamps RADIO, HVAC, RFA, CLUSTER Radio, HVAC Head, Remote Keyless Entry, Cluster HIGH BLOWER High Blower RH HEATED SEAT Passenger’s Heated Seat STRG WHL CONT Audio Steering Wheel Controls WIPER Wipers
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Assignment of the circuit breakers in the passenger compartment (2000, 2001)
Fuse Data
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Short-Code Description TIRE RESET Tire Inflation Monitor Reset Button PWR WINDOWS, PWR SUNROOF Power Windows, Power Sunroof REAR DEFOG Rear Window Defogger POWER SEATS Power Seat Blank Not Used
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Assignment of the fuses in the passenger compartment (2002, 2003)
Fuse Data
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Short-Code Description PRK/LCK Ignition Key Solenoid Blank Not Used PCM, BCM, U/H Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay RADIO PREM. SOUND Remote Radio Premium Sound POWER MIRRORS Power Mirrors INT/ILLUM Panel Dimming IGN 0: CLSTR, CM & BCM Ignition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module INADV POWER BUS Retained Accessory Power DOOR LOCKS Door Locks TRAP ALERT Trap Alert_x0001_ TAIL LAMPS, LIC LAMPS Taillamps, License Plate Lamps RADIO Radio HEATED MIRROR Heated Mirrors CRUISE Cruise Control CLUSTER Instrument Panel Cluster CIGAR LTR Cigarette Lighter, Auxiliary Power Connection (Power Drop) STOP LAMPS Stoplamps ONSTAR OnStar FRT PARK LPS Parking Lamps POWER DROP Auxiliary Power Connection (Power Drop): Hot in ACC and Run CRANK SIGNAL, BCM, CLUSTER Crank Signal, Body Control Module, Cluster, Powertrain Control Module HVAC Ignition Signal, Heating, Ventilation, and Air Conditioning Control Head BTSI PARK LOCK Shifter Lock Solenoid AIR BAG Air Bag BCM PWR Body Control Module HAZARD Hazard Warning Flashers LH HEATED SEAT Driver’s Heated Seat BCM ACCY Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module LOW BLOWER Low Blower ABS Anti-Lock Brakes TURN SIGNALS, CORN LPS Turn Signals, Cornering Lamps RADIO, HVAC, RFA, CLUSTER Radio, HVAC Head, Remote Keyless Entry, Cluster HIGH BLOWER High Blower RH HEATED SEAT Passenger’s Heated Seat STRG WHL CONT Audio Steering Wheel Controls WIPER Wipers
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Assignment of the circuit breakers in the passenger compartment (2002, 2003)
Fuse Data
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Short-Code Description TIRE RESET Tire Inflation Monitor Reset Button PWR/WNDW PWR S/ROOF Power Windows, Power Sunroof R/DEFOG Rear Window Defogger PWR/ SEAT Power Seat Blank Not Used
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Assignment of the fuses in the passenger compartment (2004, 2005)
Fuse Data
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Short-Code Description PRK/LCK Ignition Key Solenoid Blank Not Used PCM, BCM, U/H Ignition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay RADIO PREM. SOUND Not Used PWR MIR Power Mirrors INT/ILLUM Panel Dimming IGN 0: CLSTR, CM & BCM Ignition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module ACCY PWR BUS Interior Lamps DR/ LCK Door Locks R/LAMPS Taillamps, License Plate Lamps CRUISE Cruise Control CLSTR Instrument Panel Cluster LTR Cigarette Lighter STOP LAMPS Stoplamps ONSTAR OnStar® PRK/LGHT Parking Lamps CRNK SIG, BCM, CLSTR Crank Signal, Body Control Module, Cluster, Powertrain Control Module HVAC Ignition Signal, Heating, Ventilation, and Air Conditioning Control Head BTSI (REGAL) Not Used AIR BAG Air Bag BCM PWR Body Control Module HAZARD Hazard Warning Flashers LH HTD SEAT Not Used BCM ACCY Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module LOW BLWR Low Blower ABS Anti-Lock Brakes TRN SIG Turn Signals, Cornering Lamps RADIO, HVAC, RFA, CLSTR ALDL Radio, Heating Ventilation and Air Conditioning Head; Remote Keyless Entry, Cluster HI BLWR High Blower RH HTD SEAT Not Used STR/WHL/ CNTRL Audio Steering Wheel Controls WPR Windshield Wipers
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Assignment of the circuit breakers in the passenger compartment (2004, 2005)
Fuse Data
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Short-Code Description TIRE RESET Tire Inflation Monitor Reset Button PWR/WNDW PWR S/ROOF Power Windows, Power Sunroof R/DEFOG Rear Window Defogger PWR/ SEAT Power Seat Blank Not Used
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