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: 2012, 2013
Engine Compartment Fuse Block
Mini Fuses | Amps | Usage |
1 | 20 | Engine control module |
2 | 10 | O2 sensor/ Purge solenoid |
3 | 15 | Ignition coils/ Injectors |
4 | 15 | Spare |
5 | β | Empty |
6a | β | Empty |
6b | 7,5 | Mirror defogger |
7 | 5 | Powertrain cooling |
8 | 7,5 | Mass airflow sensor/Pre β O2 sensor |
9 | β | Empty |
10 | 5 | Battery potential signal |
11 | 7,5 | Spare |
12 | β | Empty |
13 | 25 | Antilock Brake System Valves |
14 | β | Empty |
15 | 10 | Engine control module |
17 | 10 | Transmission control module |
22 | β | Empty |
24 | 15 | Right high-beam headlamp |
25 | 15 | Left high-beam headlamp |
26 | 15 | Front fog lamps |
31 | β | Empty |
32 | 5 | Airbag |
33 | β | Empty |
34 | 7,5 | Spare |
35 | 7,5 | Air Conditioning Compressor Clutch |
37 | 10 | Canister vent |
38 | β | Empty |
39 | 20 | Fuel system control module |
40 | 10 | Front windshield washer |
41 | β | Empty |
46 | β | Empty |
47 | 15 | Horn |
49 | 20 | Fuel pump |
50 | β | Empty |
51 | 5 | Interior rearview mirror |
52 | β | Empty |
53 | 10 | Ignition Engine Control Module/ Transmission Control Module |
54 | 7,5 | Instrument Cluster/Fuel System Control Module/ Heater, Ventilation,Β and Air Conditioning Run/Crank |
Β
J-Case | Amps | Usage |
16 | 30 | Starter Control |
18 | 30 | Rear Window Defogger |
19 | 30 | Front Power Window |
20 | 30 | Rear Power Window |
21 | 40 | Rear Electrical Center |
23 | β | Empty |
27 | 50 | Spare |
28 | β | Empty |
29 | 30 | Electric Parking Brake |
30 | 60 | Antilock Brake System Pump |
42 | 40 | Engine Cooling Fan (RPO LEA) |
43 | 30 | Front Wipers |
44 | β | Empty |
45 | 30 | Engine Cooling Fan (RPO LEA) |
48 | 60 | Engine Cooling Fan |
Β
Relays | Usage |
1 | Empty |
2 | Starter |
3 | Engine control powertrain |
4 | Rear window defogger |
5 | Empty |
6 | Empty |
7 | Spare |
8 | Empty |
9 | Spare |
10 | EGR/Coolant pump/ AIR solenoid valve |
11 | Engine cooling fan (RPO LEA) |
12 | Engine cooling fan (RPO LEA) |
13 | Engine cooling fan (RPO LEA) |
14 | Run/Crank |
Instrument Panel Fuse Block
Fuses | Amps | Usage |
1 | 2 | Body Control Module |
2 | 20 | Body control module |
3 | 20 | Body control module |
4 | 20 | Infotainment system |
5 | 10 | Information display/Parking assist |
6 | 20 | Ignition/ Electronic Key System |
7 | 20 | Power outlet |
8 | 30 | Body control module |
9 | 30 | Body control module |
10 | 30 | Body control module |
11 | 40 | Interior fan |
12 | 25 | Driver power seat |
13 | β | Not Used |
14 | 7,5 | Diagnostic connector |
15 | 10 | Airbag |
16 | 10 | Central locking system/ Tailgate |
17 | 10 | Air Conditioning System |
18 | 30 | Infotainment system |
19 | 30 | Body control module |
20 | 5 | Passenger power seat |
21 | 7,5 | Instrument cluster |
22 | 2/5 | Ignition/ Electronic key system |
23 | 20 | Body control module |
24 | 20 | Body control module |
25 | β | Not Used |
26 | β | Not Used |
Β
Relays | Usage |
1 | Trunk open |
2 | Door security |
3 | Power outlet |
Rear Compartment Fuse Block
The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.
Fuses | Amps | Usage |
F02 | β | Empty |
F03 | 5 | Rear parking assist |
F04 | β | Empty |
F06 | β | Empty |
F07 | 10 | Spare |
F08 | β | Empty |
F09 | β | Empty |
F10 | β | Empty |
F11 | β | Empty |
F12 | β | Empty |
F13 | β | Empty |
F14 | β | Empty |
F15 | β | Empty |
F16 | 5 | Rear vision camera |
F17 | β | Empty |
F18 | β | Empty |
F19 | 7,5 | Heated steering wheel |
F20 | 25 | Sunroof |
F21 | 25 | Heated seats |
F22 | β | Empty |
F24 | β | Empty |
F25 | 5 | Side blind zone alert |
F26 | 30 | Spare |
F27 | 30 | Passive entry/ Passive start |
F28 | β | Empty |
F30 | β | Empty |
F31 | 30 | Amplifier |
Β
J-Case Fuses | Amp | Usage |
F01 | β | Empty |
F05 | β | Empty |
F12 | β | Empty |
F23 | β | Empty |
F27 | 30 | Passive Entry |
F29 | β | Empty |
Β
Relays | Usage |
R01 | Empty |
R02 | Run |
R03 | Empty |
R04 | Empty |
R05 | Empty |
WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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