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.
Fuses and Circuit Breakers
This fuse panel is inside the glove box. Pull the cover down for access. Some spare fuses and a fuse puller are included.
Fuses | Amp | Usage |
1 | 10 | Radio & Clock |
2 | 15 | Radio & Clock; Instrument Cluster; Passive Restraint Timer |
3 | 15 | Courtesy, Glove Box, Underhood, Trunk, Header Lights; Cigarette Lighter; Lighted Inside Rearview Mirror; Power Door Locks; Power Mirrors |
4 | 25 | Windshield Wiper & Washer |
5 | 10 | Cruise Control: DRL Module; Instrument Cluster; HVAC |
6 | 15 | Brake Lights; ABS Control Module; Chime Module |
7 | 15 | Engine Control Module |
8 | 20 | Taillights; DRL Module |
9 | 15 | Hazard Warning Flasher |
10 | 10 | Rear Defogger Timer Relay: Instrument Cluster; Chime Module; Cruise Control; DRL Module; Lamp Driver Module; ABS Lamp Driver |
11 | 5 | Instrument Panel. Console, Switch Lights |
12 | 25 | Blower Motor |
13 | 10 | Turn Signals |
14 | Not Used | |
15 | 10 | ABS Control Module |
16 | Not Used | |
17 | Not Used | |
18 | Not Used |
Electrical Center Driver Side – Underhood
Mini Fuse | Amp | Usage |
1 | Not Used | |
2 | Not Used | |
3 | Not Used | |
4 | Not Used | |
5 | Not Used | |
6 | Not Used | |
7 | Not Used | |
8 | 5 | ABS Control Module |
9 | 15 | Fog Lights |
10 | 10 | Horn |
11 | Not Used | |
12 | Not Used | |
13 | 60 | ABS Controller |
14 | 50 | Exterior Lights |
Relay | Amp | Usage |
15 | Horn | |
16 | Fog Lamps | |
17 | ABS |
If your car has anti-lock brakes, there is an ABS electrical center under the hood on the driver’s side.
Electrical Center Passenger Side – Underhood
Fuse | Amp | Usage |
18 | 20 | Fuel Injectors (3.8L) |
19 | 15 | Trunk Release |
20 | 20 | ECM; Fuel Pump |
21 | 10 | ECM (3.8L) |
22 | 3 | Cooling Fan Relay (3.8L) |
23 | Not Used | |
24 | 10 | Direct Ignition System |
25 | 10 | Fuel Injectors (3.1 L) |
26 | Not Used | |
27 | 15 | Ignition |
28 | 10 | TCC; Primary Cooling Fan (3.1 L) |
Relay | Amp | Usage |
29 | Fuel Pump | |
30 | Cooling Fan Control (3.8L) | |
31 | Cooling Fan Control (3.8L) Secondary Cooling Fan | |
32 | Primary Cooling Fan | |
33 | A/C Clutch Coil |
Fusible Elements | Amp | Usage |
34 | 60 | Starter Solenoid |
35 | 60 | Cooling Fan |
36 | 60 | Blower Motor |
37 | 60 | Cooling Fan |
38 | 30 | Fuse Block |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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