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Buick Century (1998) - fuse box diagram

avatar Jonathan Yarden Jan 30, 2021 · 5 min. read

In this article you will find a description of fuses and relays Buick, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production:  1998

Instrument Panel Fuse Block

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

Buick Century - fuse box diagram - instrument panel

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 (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

Underhood Electrical Center — Passenger’s Side

Buick Century - fuse box diagram - 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 (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

 

Relay Usage
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

 

Fuse Usage
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
SYMBOL A/C Commessor Clutch Diode

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

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