Buick Century (VI; 1997 – 1999) – fuse and relay box diagram

Buick Century (VI; 1997 – 1999) – fuse and relay box diagram

Year of production:  1997, 1998, 1999

 

This article covers the Buick Century. It includes fuse box diagrams for the 6th generation 1997 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

 

Passenger compartment

Fuse box location

The fuse box is located on right side of the instrument panel, behind the cover.

 

Fuse box diagram

Buick Centaury (VI; 1997 - 1999) - fuse and relay box diagram - passenger compartment
Buick Centaury (VI; 1997 – 1999) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment

Circuit Breaker Usage
A
B Power Windows/Sunroof
C Rear Defog
D Power Seats

 

Fuse Usage
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, Data Link
24 Stoplamps
26 Parklamps
27 Auxiliary Power Connection — 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
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 Blowe
39 Anti-lock Brakes
40 Turn Signals
41 Radio, HVAC head, Keyless Entry, Cluster
42 High Blowe
43
44 Steering Wheel Controls
45 Wipers

Engine compartment

Fuse box diagram

Buick Centaury (VI; 1997 - 1999) - fuse and relay box diagram - engine compartment
Buick Centaury (VI; 1997 – 1999) – fuse and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

Fuse Usage
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, Cigarette Lighter
8 Ignition Switch, Wipers, Radio, Steering Wheel Controls, Body Control Module, AUX Power, Power Windows, Sunroof, HVAC Controls, DRL, Rear Defog Relay

 

Relay Usage
9 Cooling Fan 2
10 Cooling Fan 3
11 Starter Solenoid
12 Cooling Fan 1
13 Ignition Main
14

 

Fuse Usage
15 A/C Clutch

 

Relay Usage
16 Horn

 

Fuse Usage
17
18
19 Fuel Pump
20 Air Pump
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 Parklamp
35 Fuel Pump
36 Headlamp (Left)
37 Spare
38 Spare
39 Spare
40 Spare
41 Spare
42 Spare
43 Fuse Puller
SYMBOL A/C Commessor Clutch Diode

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Century (V; 1996) – fuse box diagram

Buick Century (V; 1996) – fuse box diagram

Year of production:  1996

This article covers the Buick Century. It includes fuse box diagrams for the 5th generation 1995 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

 

Passenger compartment

Fuse box location

The fuse panel is located inside the glove box, on the left side.

 

Fuse box diagram

Buick Century (V; 1996) - fuse and relay box diagram - passenger compartment
Buick Century (V; 1996) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment (instrument panel)

Fuse Usage
ECM Powertrain Control Module
TNJ/COIL Fuel Injectors
UNLOCK Auto Door Locks (Remove this fuse to disable the automatic door unlock)
FAN/ALT Electric Fan, Starter and Generator, Seq. Fuel Inj (V6), Cruise Control, Anti-Lock Brakes
TURN B/U Back-up Lamps
AIR BAG Supplemental Inflatable Restraint (Air Bag System)
TAIL Taillamps, Parking, Sidemarker, License Plate, Stopflurn Signal
HTR A/C Heater/Air Conditioner Blower Controls
GAUGES I/P Cluster, Warning Indicators, Torque Converter Clutch, Audible Warning System, Trunk Release, Brake Warning Indicator, Rear Defog Switch, Remote Keyless Entry, Headlamps, Air Bag System
STOP HAZ Stop Lamps, Hazard Flashers
CTSY Interior, Underhood, Courtesy, UP, Trunk Lamps, Door Locks, Horn Relay, Passive Restraint System, Deck Lid Release, Power Antenna Remote Keyless Entry, Vanity Mirror
WDO Power Windows
INST LPS Illumination for: I/P, Radio, Pod Lamps, Ashtray, Console Lamp,
Heater and A/C Control, Defog Switch, Headlamp Switch, Power Antenna
RADIO Radio
PWR ACC* Seats, Door Locks, Rear Defog, Power Seat Recliner, Rear Window Wiper, Trunk Release
WPR Windshield Wiper/Washer
CIG LTR Cigarette Lighter
*Circuit Breaker

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Century (V; 1993) – fuse and relay box diagram

Buick Century (V; 1993) – fuse and relay box diagram

Year of production:  1993

 

This article covers the Buick Century. It includes fuse box diagrams for the 5th generation 1993 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

Passenger compartment

Fuse box location

The fuse panel is located inside the glove box, on the left side.

 

Fuse box diagram

Buick Century (V; 1993) - fuse and relay box diagram - passenger compartment
Buick Century (V; 1993) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment (instrument panel)

Fuse Ampere rating [A] Usage
A 15 ECM; MAF Sensor (3300 Engine only)
B 20 ECM Injectors/Coil
C 10 Eng. A/C Relay; EGR Solenoid; Canister Purge Solenoid
D 10 Fan/Elect; Generator; DRL Module
E 15 Turn Signal Flasher; Back-up Lights; Trunk/Liftgate Release
F 10 Supplemental Inflatable Restraint (Air Bagj
G 20 Tail; Park; Side Marker; License Plate; Stop/Turn Signa
H 20 Heater/Air Conditioner
I 10 Gages; Warning Indicators; Torque Convert Clutch; Audible Warning System; Computer Command Control; Trunk Release; Brake Warning Indicator; Rear Defog Switch; Speedometer
J 20 Stop Lights; Hazard Flashers
K 20 Interior, Underhood, Courtesy, I/P, Trunk Lights; Door Locks; Horn Relay, Passive Restraint System, Deck Lid Release, Power Antenna
L 30* Liftgate Release; Power Windows
M 5 Illumination for: I/P, Radio, Pod Lights, Ashtray, Console Light, Heater-A/C Control, Defog Switch, Headlight Switch
N 10 Radio, Cruise Control
O 30* Seats, Door Locks, Rear Defog
P 25 Windshield Wipe/Was
Q 20 Cigarette Lighter
15 Safety Belt/Chirne (ICAM) Module (Located behind the fuse block, above the hush panel.
15 Remote Lock Control (Located behind the fuse block, above the hush panel.
15 Fuel Pump, ECM (Located under the hood.)
*Circuit Breaker

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Century (VI; 2000 – 2001) – fuse and relay box diagram

Buick Century (VI; 2000 – 2001) – fuse box diagram

Year of production:  2000, 2001

 

This article covers the Buick Century. It includes fuse box diagrams for the 6th generation 2000 and 2001 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

Passenger compartment

Fuse box location

The fuse box is located on right side of the instrument panel, behind the cover.

Buick Centaury (VI; 2000 - 2001) - fuse and relay box diagram - passenger compartment
Buick Centaury (VI; 2000 – 2001) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment

Circuit Breakers Usage
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

 

Fuses Usage
Blank Not Used
Blank Not Used
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
Blank Not Used
PANEL DIMMING Panel Dimming
Blank Not Used
IGN 0, CLUSTER, PCM, BCM Ignition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module
Blank Not Used
Blank Not Used
DRL Daytime Running Lamps Module
INADV POWER BUS Interior Lamps, Retained Accessory Power
DOOR LOCKS Door Locks
Blank Not Used
TAIL LAMPS, LIC LAMPS Taillamps, License Lamps
RADIO Radio
HEATED MIRROR Heated Mirrors
CRUISE Cruise Control
Blank Not Used
CLUSTER Instrument Panel Cluster
CIGAR LTR, DATA LINK Cigarette Lighter, Auxiliary Power Connection (Power Drop), Data Link
STOP LAMPS Stoplamps
Blank Not Used
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, HVAC 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
Blank Not Used
BCM ACCY Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module
Blank Not Used
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

 

Engine compartment

Fuse box location

Some fuses and relays are located in the underhood fuse block on the passenger’s side of the vehicle in the engine compartment.

 

Fuse box diagram

Buick Centaury (VI; 2000 - 2001) - fuse and relay box diagram - engine compartment
Buick Centaury (VI; 2000 – 2001) – fuse and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

Maxi Fuses Usage
1 ABS
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, 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

 

Mini Relays Usage
9 Cooling Fan 2
10 Cooling Fan 3
11 Starter Solenoid
12 Cooling Fan 1
13 Ignition Main
14 Air Pump (Optional)

 

Micro Relays Usage
15 A/C Clutch
16 Horn
17 Not Used
18 Not Used
19 Fuel Pump

 

Mini Fuses Usage
20 Air Pump (Optional)
21 Generator
22 ECM
23 A/C Compressor Clutch
24 Cooling Fan
25 Electronic Ignition
26 Transaxle

 

Mini Relay Usage
27 Horn
28 Fuel Injector
29 Oxygen Sensor
30 Engine Emissions
31 Not Used
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
SYMBOL Air Conditioner Compressor Clutch Diode

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Century (VI; 2002 – 2003) – fuse and relay box diagram

Buick Century (VI; 2002 – 2003) – fuse and relay box diagram

Year of production:  2002, 2003

 

This article covers the Buick Century. It includes fuse box diagrams for the 6th generation 2002 and 2003 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

Passenger compartment

Fuse box location

The fuse box is located on right side of the instrument panel, behind the cover.

 

Fuse box diagram

Buick Century - fuse box - instrument panel
Buick Century – fuse box – instrument panel

 

Assignment of the fuses in the passenger compartment

Circuit Breakers Usage
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

 

Fuses Usage
PRK/LCK Ignition Key Solenoid
Blank Not Used
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
Blank Not Used
INT/ILLUM Panel Dimming
Blank Not Used
IGN 0: CLSTR,  CM & BCM Ignition Signal: Hot in Run, Unlock and Start; Cluster, Powertrain Control Module, Body Control Module
Blank Not Used
Blank Not Used
Blank Not Used
INADV POWER BUS Retained Accessory Power
DOOR LOCKS Door Locks
TRAP ALERT Trap Alert
TAIL LAMPS, LIC LAMPS Taillamps, License Plate Lamps
RADIO Radio
HEATED MIRROR Heated Mirrors
CRUISE Cruise Control
Blank Not Used
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
Blank Not Used
BCM ACCY Ignition Signal: Hot in ACCESSORY and RUN, Body Control Module
Blank Not Used
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

Engine compartment

Fuse box location

Some fuses and relays are located in the underhood fuse block on the passenger’s side of the vehicle in the engine compartment.

 

Fuse box diagram

 

Buick Century - fuse box - engine compartment
Buick Century – fuse box – engine compartment

 

Assignment of the fuses in the engine compartment

Maxi Fuses Usage
1 ABS
2 Starter Solenoid
3 Power Seats, Rear Defog, Heated Seats
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 Retained 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 Usage
9 Cooling Fan 2
10 Cooling Fan 3
11 Starter Solenoid
12 Cooling Fan 1
13 Ignition Main
14 Not used
15 Not Used
16 Horn
17 Fog Lamps
18 Not Used
19 Fuel Pump

 

Micro Relays Usage
15 A/C Clutch
16 Horn
17 Not Used
18 Not Used
19 Fuel Pump

 

Mini Fuses Usage
20 Not Used
21 Generator
22 ECM
23 A/C Compressor Clutch
24 Cooling Fan
25 Electronic Ignition
26 Transaxle

 

Mini Relay Usage
27 Horn
28 Fuel Injector
29 Oxygen Sensor
30 Engine Emissions
31 Not Used
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 Spare
 SYMBOL Air Conditioner Compressor Clutch Diode

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Cascada (2016 – 2019) – fuse and relay box diagram

Buick Cascada (2016 – 2019) – fuse and relay box diagram

Year of production: 2016, 2017, 2018, 2019

 

This article covers the Buick Cascada, produced from 2016 to 2019. It includes fuse box diagrams for the 2016, 2017, 2018  and 2019 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

 

Engine Compartment

Fuse box location

It is located in the front left of the engine compartment.

 

Fuse box diagram

Buick Cascada (2016 - 2017) - fuse and relay box diagram - engine compartment
Buick Cascada (2016 – 2017) – fuse and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

Fuses Usage
1 Engine control module
2 O2 sensor
3 Fuel injection/ Ignition system
4 Fuel injection/ Ignition system
5
6 Heated mirrors
7 Fan control
8 O2 sensor/ Powertrain cooling
9 Rear window sensor
10 Vehicle battery sensor
11 Trunk release
12 Adaptive headlamps/ Automatic headlamp leveling
13 ABS valves
14
15 Engine control module
16 Starter
17 Transmission control module
18 Rear window defogger
19 Front power window
20 Rear power window
21 Rear electrical center
22
23
24 Right high-beam headlamp
25 Left high-beam headlamp
26 Front fog lamps
27
28
29 Electric parking brake
30 ABS pump
31
32 Airbag
33 Adaptive forward lighting/Automatic headlamp leveling
34 Exhaust gas recirculation
35 Power windows/Rain sensor/Exterior mirror
36 Climate control
37
38 Vacuum pump
39 Fuel system control module
40 Front windshield washer
41
42 Engine cooling fan
43 Windshield wipers
44
45 Engine cooling fan
46
47 Horn
48 Engine cooling fan
49 Fuel pump
50 Headlamp leveling/ Adaptive forward lighting
51
52
53 Transmission control module/Engine control module
54 Vacuum pump/ Instrument panel cluster/HVAC

Passenger compartment

Fuse box location

The instrument panel fuse block is on the driver side of the instrument panel.

 

Fuse box diagram

Buick Cascada (2016 - 2017) - fuse and relay box diagram - passenger compartment
Buick Cascada (2016 – 2017) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment

Fuses Usage
1 Displays
2 Body control module/Exterior lamps
3 Body control module/Exterior lamps
4 Infotainment system
5 Infotainment system/ Instrument
6 Power outlet
7 Power outlet
8 Body control module/Left low-beam headlamp
9 Body control module/Right low-beam headlamp
10 Body control module/Door locks
11 Interior fan
12 Driver power seat
13 Passenger power seat
14 Diagnostic connector
15 Airbag
16 Trunk lid relay
17 A/C system
18 Service diagnose
19 Body control module/Brake lamps/Reverse lamps/Interior lamps
20
21 Instrument panel
22 Ignition
23 Body control module
24 Body control module
25
26 Trunk power outlet accessory

Rear Compartment

Fuse box location

The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.

 

Fuse box diagram

Buick Cascada (2016 - 2017) - fuse and relay box diagram - rear compartment
Buick Cascada (2016 – 2017) – fuse and relay box diagram – rear compartment

 

Assignment of the fuses in the rear compartment

Fuses Usage
1 Convertible control module/Right power rail
2
3 Rear parking assist
4 Selective catalytic reduction system
5
6
7 Power seats
8 Convertible control module
9 Selective catalytic reduction system
10 Selective catalytic reduction system
11 Tire pressure monitor/Rear vision camera
12 Convertible control module/Reverse lamps
13
14 Rear seat electrical folding
15
16 Rear vision camera/ Convertible control module
17
18
19 Heated steering whee
20
21 Heated seats
22
23 Convertible control module/Left power rail
24 Selective catalytic reduction system
25
26 Non-logistic mode
27 Passive entry/ Passive start
28
29 Hydraulic unit
30
31
32

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.