Buick Century (1997-2005) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Buick Century (1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005).

Fuse box diagram: Buick Century (1997-2005)

1997, 1998, 1999
2000, 2001
2002, 2003
2004, 2005

Fuse box location

Passenger compartment fuse box

The fuse box is located on right left side of the instrument panel, behind the coverThe location of the fuses in the passenger compartment: Buick Century (1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005)

Fuse Box in the engine compartment

The location of the fuses in the engine compartment: Buick Century (1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005)

1997, 1998, 1999

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Buick Century (1997, 1998, 1999)

Assignment of the fuses in the Passenger compartment (1997, 1998, 1999)
Description
1-
4Ignition Signal - Hot in Run and Start - PCM, BCM U/H Relay
6Power Mirrors
8Panel Dimming
10Ignition Signal - Hot in Run, Unlock and Start - Cluster, Powertrain Control Module, Body Control Module
13DRL Module
14Interior Lamps
15Door Locks
17Taillamps, License Lamp
18Radio
19Heated Mirror
20Cruise Control
22Clusters
23Cigarette Lighter - Auxiliary Power Connection (Power Drop), Data Link
24Stoplamps
26Parking Lamps
27Auxiliary Power Connection (Power Drop) - Hot in ACC and RUN
28Crank Signal - Body Control Module, Cluster, Powertrain Control Modules
29Ignition Signal - HVAC Control Head
30Brake Transmission Shift Interlock (BTSI)
31Air Bag
32Anti-lock Brake Controls, Body Control Module
33Hazard Flashers
34-
36Ignition Signal - Hot in ACC and Run - Body Control Module
37Anti-lock Brake Solenoids
38Low Blower
39Anti-lock Brakes
40Turn Signals
41Radio, HVAC Head, Remote Keyless Entry, Cluster
42High Blower
43-
44Audio Steering Wheel Controls
45Wipers
Circuit Breakers
A-
BPower Windows/Sunroof
CRear Defog
DPower Seats

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Buick Century (1997, 1998, 1999)

Assignment of the fuses in the Engine compartment (1997, 1998, 1999)
Description
1Cooling Fan
2Starter Solenoid
3Power Seats, Rear Defog
4High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6Cooling Fan
7Interior Lamps, Retained Accessory Power, ABS, Keyless Entry, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter
8Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, AUX Power (Power Drop), Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay
20-
21Generator
22ECM
23A/C Compressor Clutch
24-
25Electronic Ignition
26Transaxle
27Horn
28Fuel Injector
29Oxygen Sensor
30Engine Emissions
31-
32Headlamp (Right)
33Rear Compartment Release
34Parking Lamps
35Fuel Pump
36Headlamp (Left)
37Spare
38Spare
39Spare
40Spare
41Spare
42Spare
43Fuse Puller
A/C Commessor Clutch Diode
Relays
9Cooling Fan 2
10Cooling Fan 3
11Starter Solenoid
12Cooling Fan 1
13Ignition Main
14-
15A/C Clutch
16Horn
17-
18-
19Fuel Pump

2000, 2001

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Buick Century (2000, 2001)

Assignment of the fuses in the Passenger compartment (2000, 2001)
Fuse nameDescription
PARK LOCKIgnition Key Solenoid
BlankNot Used
PCM, BCM, U/H RELAYIgnition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM. SOUNDRemote Radio Premium Sound
POWER MIRRORSPower Mirrors
PANEL DIMMINGPanel Dimming
IGN 0, CLUSTER, PCM, BCMIgnition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module
DRLDaytime Running Lamps Module
INADV POWER BUSInterior Lamps, Retained Accessory Power
DOOR LOCKSDoor Locks
TRAP ALERTTrap Alert
TAIL LAMPS, LIC LAMPSTaillamps, License Lamps
RADIORadio
HEATED MIRRORHeated Mirrors
CRUISECruise Control
CLUSTERInstrument Panel Cluster
CIGAR LTR, DATA LINKCigarette Lighter, Auxiliary Power Connection (Power Drop), Data Link
STOP LAMPSStoplamps
ONSTAROnStar
FRT PARK LPSParking Lamps
POWER DROPAuxiliary Power Connection (Power Drop): Hot in ACC and Run
CRANK SIGNAL, BCM, CLUSTERCrank Signal, Body Control Module, Cluster, Powertrain Control Module
HVACIgnition Signal, Heating, Ventilation, and Air Conditioning Control Head
BTSI PARK LOCKShifter Lock Solenoid
AIR BAGAir Bag
BCM PWRBody Control Module
HAZARDHazard Warning Flashers
LH HEATED SEATDriver’s Heated Seat
BCM ACCYIgnition Signal: Hot in ACCESSORY and RUN, Body Control Module
LOW BLOWERLow Blower
ABSAnti-Lock Brakes
TURN SIGNALS, CORN LPSTurn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLUSTERRadio, HVAC Head, Remote Keyless Entry, Cluster
HIGH BLOWERHigh Blower
RH HEATED SEATPassenger’s Heated Seat
STRG WHL CONTAudio Steering Wheel Controls
WIPERWipers
Circuit Breakers
TIRE RESETTire Inflation Monitor Reset Button
PWR WINDOWS, PWR SUNROOFPower Windows, Power Sunroof
REAR DEFOGRear Window Defogger
POWER SEATSPower Seat
BlankNot Used

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Buick Century (2000, 2001)

Assignment of the fuses in the Engine compartment (2000, 2001)
Description
Maxi Fuses
1ABS
2Starter Solenoid
3Power Seats, Rear Defog
4High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6Cooling Fan
7Interior Lamps, Retained Accessory Power, Keyless Entry, Data Link, HVAC Head, Cluster, Radio, AUX Power (Power Drop), Cigarette Lighter
8Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, Auxiliary Power (Power Drop), Power Windows, Sunroof, Heating Ventilation Air Conditioning Controls, Daytime Running Lamps, Rear Defog Relay
Mini Relays
9Cooling Fan 2
10Cooling Fan 3
11Starter Solenoid
12Cooling Fan 1
13Ignition Main
14Air Pump (Optional)
Micro Relays
15A/C Clutch
16Horn
17Not Used
18Not Used
19Fuel Pump
Mini Fuses
20Air Pump (Optional)
21Generator
22ECM
23A/C Compressor Clutch
24Cooling Fan
25Electronic Ignition
26Transaxle
Mini Relay
27Horn
28Fuel Injector
29Oxygen Sensor
30Engine Emissions
31Not Used
32Headlamp (Right)
33Rear Compartment Release
34Parking Lamps
35Fuel Pump
36Headlamp (Left)
37Spare
38Spare
39Spare
40Spare
41Spare
42Spare
43Fuse Puller
Air Conditioner Compressor Clutch Diode

2002, 2003

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Buick Century (2002, 2003)

Assignment of the fuses in the Passenger compartment (2002, 2003)
Fuse nameDescription
PRK/LCKIgnition Key Solenoid
BlankNot Used
PCM, BCM, U/HIgnition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM. SOUNDRemote Radio Premium Sound
POWER MIRRORSPower Mirrors
INT/ILLUMPanel Dimming
IGN 0: CLSTR,  CM & BCMIgnition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module
INADV POWER BUSRetained Accessory Power
DOOR LOCKSDoor Locks
TRAP ALERTTrap Alert_x0001_
TAIL LAMPS, LIC LAMPSTaillamps, License Plate Lamps
RADIORadio
HEATED MIRRORHeated Mirrors
CRUISECruise Control
CLUSTERInstrument Panel Cluster
CIGAR LTRCigarette Lighter, Auxiliary Power Connection (Power Drop)
STOP LAMPSStoplamps
ONSTAROnStar
FRT PARK LPSParking Lamps
POWER DROPAuxiliary Power Connection (Power Drop): Hot in ACC and Run
CRANK SIGNAL, BCM, CLUSTERCrank Signal, Body Control Module, Cluster, Powertrain Control Module
HVACIgnition Signal, Heating, Ventilation, and Air Conditioning Control Head
BTSI PARK LOCKShifter Lock Solenoid
AIR BAGAir Bag
BCM PWRBody Control Module
HAZARDHazard Warning Flashers
LH HEATED SEATDriver’s Heated Seat
BCM ACCYIgnition Signal: Hot in ACCESSORY and RUN, Body Control Module
LOW BLOWERLow Blower
ABSAnti-Lock Brakes
TURN SIGNALS, CORN LPSTurn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLUSTERRadio, HVAC Head, Remote Keyless Entry, Cluster
HIGH BLOWERHigh Blower
RH HEATED SEATPassenger’s Heated Seat
STRG WHL CONTAudio Steering Wheel Controls
WIPERWipers
Circuit Breakers
TIRE RESETTire Inflation Monitor Reset Button
PWR/WNDW PWR S/ROOFPower Windows, Power Sunroof
R/DEFOGRear Window Defogger
PWR/ SEATPower Seat
BlankNot Used

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Buick Century (2002, 2003)

Assignment of the fuses in the Engine compartment (2002, 2003)
Description
Maxi Fuses
1ABS
2Starter Solenoid
3Power Seats, Rear Defog, Heated Seats
4High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5Ignition Switch, BTSI, Stoplamps, ABS, Turn Signals, Cluster, Air Bag, DRL Module
6Cooling Fan
7Retained Accessory Power, Keyless Entry, Data Link, Heating Ventilation Air Conditioning Head, Cluster, Radio, Auxiliary Power (Power Drop), Cigarette Lighter
8 Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, Auxiliary Power (Power Drop), Power Windows, Sunroof, Heating Ventilation Air Conditioning Controls, Daytime Running Lamps, Rear Defog Relay
Mini Relays
9Cooling Fan 2
10Cooling Fan 3
11Starter Solenoid
12Cooling Fan 1
13Ignition Main
14Not used
15Not Used
16Horn
17Fog Lamps
18Not Used
19Fuel Pump
Micro Relays
15A/C Clutch
16Horn
17Not Used
18Not Used
19Fuel Pump
Mini Fuses
20Not Used
21Generator
22ECM
23A/C Compressor Clutch
24Cooling Fan
25Electronic Ignition
26Transaxle
Mini Relays
27Horn
28Fuel Injector
29Oxygen Sensor
30Engine Emissions
31Not Used
32Headlamp (Right)
33Rear Compartment Release
34Parking Lamps
35Fuel Pump
36Headlamp (Left)
37Spare
38Spare
39Spare
40Spare
41Spare
42Spare
43Spare
Air Conditioner Compressor Clutch Diode

2004, 2005

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Buick Century (2004, 2005)

Assignment of the fuses in the Passenger compartment (2004, 2005)
Fuse nameDescription
PRK/LCKIgnition Key Solenoid
BlankNot Used
PCM, BCM, U/HIgnition Signal: Hot in Run and Start, Powertrain Control Module, Body Control Module, Underhood Relay
RADIO PREM. SOUNDNot Used
PWR MIRPower Mirrors
INT/ILLUMPanel Dimming
IGN 0: CLSTR,  CM & BCMIgnition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module
ACCY PWR BUSInterior Lamps
DR/ LCKDoor Locks
R/LAMPSTaillamps, License Plate Lamps
CRUISECruise Control
CLSTRInstrument Panel Cluster
LTRCigarette Lighter
STOP LAMPSStoplamps
ONSTAROnStar®
PRK/LGHTParking Lamps
CRNK SIG, BCM, CLSTRCrank Signal, Body Control Module, Cluster, Powertrain Control Module
HVACIgnition Signal, Heating, Ventilation, and Air Conditioning Control Head
BTSI (REGAL)Not Used
AIR BAGAir Bag
BCM PWRBody Control Module
HAZARDHazard Warning Flashers
LH HTD SEATNot Used
BCM ACCYIgnition Signal: Hot in ACCESSORY and RUN, Body Control Module
LOW BLWRLow Blower
ABSAnti-Lock Brakes
TRN SIGTurn Signals, Cornering Lamps
RADIO, HVAC, RFA, CLSTR ALDLRadio, Heating Ventilation and Air Conditioning Head; Remote Keyless Entry, Cluster
HI BLWRHigh Blower
RH HTD SEATNot Used
STR/WHL/ CNTRLAudio Steering Wheel Controls
WPRWindshield Wipers
Circuit Breakers
TIRE RESETTire Inflation Monitor Reset Button
PWR/WNDW PWR S/ROOFPower Windows, Power Sunroof
R/DEFOGRear Window Defogger
PWR/ SEATPower Seat
BlankNot Used

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Buick Century (2004, 2005)

Assignment of the fuses in the Engine compartment (2004, 2005)
Description
1Anti-Lock Brake System
2Starter Solenoid
3Power Seat, Rear Window Defogger
4High Blower, Hazard Flasher, Stoplamps, Power Mirror, Door Locks
5Ignition Switch, Stoplamps, Anti-Lock Brake System, Turn Signals, Cluster, Air Bag, Daytime Running Lamps Module
6Cooling Fan
7Retained Accessory Power, Remote Keyless Entry, Data Link, Heating, Ventilation, and Air Conditioning Head; Cluster, Radio, Cigarette Lighter
8Ignition 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
20Not Used
21Generator
22Engine Control Module
23Air Conditioner Compressor Clutch
24Cooling Fan
25Electronic Ignition
26Transaxle
27Horn
28Fuel Injector
29Oxygen Sensor
30Engine Emissions
31Fog Lamps
32Right Headlamp
33Rear Compartment Release
34Parking Lamps
35Fuel Pump
36Left Headlamp
37Not Used
38Not Used
39Not Used
40Not Used
41Not Used
42Not Used
43Not Used
Air Conditioner Compressor Clutch Diode
Relays
9Cooling Fan 2
10Cooling Fan 3
11Starter Solenoid
12Cooling Fan 1
13Ignition Main
14Air Pump (Optional)
15Not Used
16Horn
17Fog Lamps
18Not Used
19Fuel Pump
Buick Century (1997-2005) fuses and relays December 10, 2018 admin