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: 2009
Instrument Panel Fuse Block
The instrument panel fuse block is located on the passenger side of the instrument panel.
Fuses | Usage |
CHMSL/BKUP | Center High-Mounted Stoplamp, Back-up Lamp |
CLSTR | Cluster |
CNSTR | Canister Vent |
CRUISE | Cruise Control |
DR/LCK TRUNK | Door Locks, Trunk |
HAZRD | Turn Signal, Hazard |
HTD/MIR | Heated Mirrors |
HTD/SEAT | Heated Seats |
HVAC | Climate Control System |
INT/ILLUM | Interior Lamps |
ONSTAR/ALDL | OnStar®, Data Link |
PRK/LAMP | Park Lamps |
PRK/SWTCH | Ignition Key Lock |
PWR/MIR | Power Mirrors |
PWR/SEAT | Power Seats |
PWR/WNDW | Power Window |
RDO/AMP | Radio, Amplifie |
RFA/MOD | Remote Keyless Entry |
S/ROOF | Sunroof |
STR/WHL/ ILLUM | Steering Wheel Controls Illumination |
Relays | Usage |
RAP | Retained Accessory Power |
PRK/LAMP | Park Lamp Relay |
R/DEFOG | Rear Defogger Relay |
Underhood Fuse Block
3.8L V6 engines
Mini Fuses | Usage |
1 | Driver Side High-Beam |
2 | Passenger Side High-Beam |
3 | Driver Side Low-Beam |
4 | Passenger Side Low-Beam |
5 | Windshield Wiper |
6 | Washer/Regulated Voltage Control |
7 | Fog Lamps |
8 | Transmission Control Module |
9 | Supplemental Inflatable Restraint |
10 | Auxiliary Power |
11 | Horn |
12 | Emission |
13 | Air Conditioner Clutch |
14 | Oxygen Sensor |
15 | Powertrain Control Module |
16 | Powertrain Control Module, Electronic Throttle Control |
17 | Electronic Throttle Control |
18 | Display |
19 | Antilock Brake Solenoid |
20 | Fuel Injector |
21 | Transmission Solenoid |
22 | Fuel Pump |
23 | Antilock Brake System |
24 | Ignition |
25 | Air Pump |
26 | Battery Main 1 |
27 | Battery Main 2 |
28 | Battery Main 3 |
29 | Fan 1 |
30 | Battery Main 4 |
31 | Antilock Brake System Motor |
32 | Fan 2 |
33 | Starter |
34 | Antilock brake system valves |
Mini-Relays | Usage |
42 | Fan 1 |
43 | Fan 3 |
44 | Windshield Wiper High |
45 | Windshield Wiper |
46 | Fan 2 |
48 | Crank |
Fuse Puller | Usage |
55 | Fuse Puller |
Diodes | Usage |
Air Conditioner Compressor Clutch Diode |
5.3L V8 Engine
Fuses | Usage |
A/C CMPRSR | Air Conditioning Compressor |
ABS | Antilock Brake System (ABS) |
ABS MTR | ABS Motor |
ABS SOL | ABS Solenoid |
AIRBAG/ DISPLAY | Airbag, Display |
AUX PWR | Auxiliary Power |
BATT 1 | Battery 1 |
BATT 2 | Battery 2 |
BATT 3 | Battery 3 |
BATT 4 | Battery 4 |
COMPASS | Compass |
ECM IGN | Engine Control Module (ECM), Ignition |
ECM/TCM | ECM, Transmission Control Module (TCM) |
EMISSIONS 1 | Emissions 1 |
EMISSIONS 2 | Emissions 2 |
ETC/ECM | Electronic Throttle Control, ECM |
FAN 1 | Cooling Fan 1 |
FAN 2 | Cooling Fan 2 |
FOGLAMPS | Fog Lamps |
FUEL/PUMP | Fuel Pump |
HORN | Horn |
HVAC | Climate Control System |
INJ 1 | Injectors 1 |
INJ 2 | Injectors 2 |
LT HI BEAM | Driver Side High-Beam Headlamps |
LT LO BEAM | Driver Side Low-Beam Headlamp |
RT HI BEAM | Passenger Side High-Beam Headlamp |
RT LO BEAM | Passenger Side Low-Beam Headlamp |
STRTR | Starter |
TRANS | Transmission |
WPR | Windshield Wipers |
WSW/RVC1 | Windshield Washers, Regulated Voltage Control |
Relays | Usage |
A/C CMPRSR | Air Conditioning Compressor |
FAN 1 | Cooling Fan 1 |
FAN 2 | Cooling Fan 2 |
FAN 3 | Cooling Fan 3 |
FUEL/PUMP | Fuel Pump |
HDM | Headlamp Driver Module |
PWR/TRN | Powertrain |
STRTR | Starter |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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