Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Chevrolet,
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
Engine Compartment Fuse Block
The engine compartment fuse block is located on the driver side of the vehicle, near the battery.
| Mini fuses | Usage |
| 1 | Antilock Brake System Valve |
| 2 | Sunroof |
| 3 | Not Used |
| 4 | Rear Wiper |
| 5 | Regulated Voltage Control |
| 6 | Antilock Brake System Fluid |
| 7 | Automatic Occupant Sensing/ROS |
| 8 | Outside Rearview Mirror |
| 9 | Not Used |
| 10 | Rear Window Defogger |
| 11 | Not Used |
| 12 | Heated Outside Rearview Mirror |
| 13 | Heated Front Seat |
| 14 | Fuel System Control Module 1 |
| 15 | Flex Fuel |
| 16 | Washer |
| 17 | Fuel Pump (1.8L) |
| 18 | Engine Control Module/Transmission Control Module |
| 19 | Fuel System Control Module 2 |
| 20 | Not Used |
| 21 | Engine Control Module 1 |
| 22 | Coil |
| 23 | Engine Control Module 4 |
| 24 | Engine Control Module 3 |
| 25 | Engine Control Module 2 |
| 26 | Injector |
| 27 | Engine Control Module |
| 28 | Air Conditioning Compressor Clutch |
| 29 | Transmission Control Module |
| 30 | Horn |
| 31 | Front Fog Lamps |
| 32 | Left High Beam |
| 33 | Right High Beam |
| SPARE | Spare |
| J-Case fuse | Usage |
| 1 | Antilock Brake System Pump |
| 2 | Front Wiper |
| 3 | Blower |
| 4 | Run/Crank IEC |
| 5 | Not Used |
| 6 | Cooling Fan K5 |
| 7 | Cooling Fan K4 |
| 8 | EVP |
| 9 | Start |
| Relays | Usage |
| RLY 1 | Front Wiper Control Relay |
| RLY 2 | Front Wiper Speed Relay |
| RLY 3 | Rear Window Defogger Relay |
| RLY 4 | Run/Crank Relay |
| RLY 5 | Not Used |
| RLY 6 | Fuel Pump Relay (1.8L) |
| RLY 7 | Cooling Fan K2 Relay (1.4L) |
| RLY 8 | Cooling Fan K3 Relay (1.8L), Cooling Fan K3 High Current Relay (1.4L) |
| RLY 9 | Powertrain Relay |
| RLY 10 | Start High Current Relay |
| RLY 11 | Air Conditioning Compressor Clutch Relay |
| RLY 12 | High-Beam Relay |
| RLY 13 | Cooling Fan K1 Relay |
Instrument Panel Fuse Block
The instrument panel fuse block is located on the underside of the driver side instrument panel.
| Fuses | Description |
| 1 | DLIS |
| 2 | Data Link Connector |
| 3 | Airbag |
| 4 | Liftgate |
| 5 | Spare |
| 6 | Body Control Module |
| 7 | Body Control Module |
| 8 | Body Control Module |
| 9 | Body Control Module |
| 10 | Body Control Module |
| 11 | Body Control Module |
| 12 | Body Control Module |
| 13 | Body Control Module |
| 14 | Instrument Panel Cluster |
| 15 | OnStar |
| 16 | Ultrasonic Rear Park Assist |
| 17 | Driver Information Center |
| 18 | Audio |
| 19 | Trailer |
| 20 | VLBS |
| 21 | CHEVYSTAR |
| 22 | Heating, Ventilation, Air Conditioning |
| 23 | HDLP ALC |
| 24 | Clutch |
| 25 | Instrument Panel Cluster/Automatic Occupant Sensing |
| 26 | Airbag Run/Crank |
| 27 | Run Relay |
| 28 | Liftgate Release |
| 29 | Trailer Run/Crank |
| 30 | Clock Spring |
| 31 | Heating, Ventilation, and Air Conditioning |
| 32 | Spare |
| 33 | Sunroof |
| 34 | Cigarette Lighter |
| 35 | Spare |
| 36 | Rear Power Windows |
| 37 | Front Power Windows |
| 38 | RAP/ACCY |
| 39 | DC/DC Converter |
| 40 | Driver Power Window |
| 41 | PTC2 |
| 42 | PTC1 |
| 43 | Battery Connector |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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