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.
Engine Compartment Fuse Block
J-Case Fuses | Usage |
6 | Wiper |
12 | Starter |
22 | Brake Vacuum Pump |
25 | Power Windows Rear |
26 | Power Windows Front |
27 | Rear Defog |
41 | Cooling Fan High |
42 | Front Heater, Ventilation and Air Conditioning |
43 | Antilock Brake System Pump |
44 | Cooling Fan Low |
Mini Fuses | Usage |
1 | Air Conditioning Compressor Clutch |
2 | Transmission Control Module |
5 | Engine Control Module Main |
7 | Pre-Catalytic Converter Oxygen Sensor |
8 | Post-Catalytic Converter Oxygen Sensor |
9 | Fuel Injectors – Even |
10 | Fuel Injectors – Odd |
11 | Cooling Fan Relay |
14 | Manifold Air Flow/Chassis Control |
15 | Ignition |
16 | Run/Crank IP |
17 | Sensing Diagnostic Module/Ignition |
18 | Run/Crank Body |
19 | Transmission Control Module/Ignition |
20 | Engine Control Module/Ignition |
31 | Outside Rear View Mirror |
32 | Canister Vent Solenoid |
33 | Body Control Module #6 |
34 | Sunroof |
35 | Front Heated Seats |
38 | Washer Pump Front |
40 | Antilock Brake System Valves |
46 | HID Headlamp – Left Front |
47 | HID Headlamp – Right Front |
50 | Fog Lamps |
51 | Horn |
52 | Spare |
55 | High Beam Headlamp – Right Front |
56 | High Beam Headlamp – Left Front |
Mini Relays | Usage |
K26 | Powertrain |
K50 | Run / Crank |
K55 | Rear Defog |
K612 | Cooling Fan High |
K614 | Cooling Fan Control |
Micro Relays | Usage |
K61 | Starter |
K69 | Wiper Control |
K613 | Cooling Fan Low |
K617 | Air Conditioning Compressor Clutch |
K619 | Wiper Speed |
K627 | High Intensity Discharge Headlamps |
K632 | Brake Vacuum Pump |
Instrument Panel Fuse Block
The instrument panel fuse block is located on the end of the instrument panel, on the driver side of the vehicle.
Fuses | Usage |
F1 | Discrete Logic Ignition Switch |
F2 | Diagnostic Link Connector |
F3 | Airbag |
F4 | Cluster |
F5 | Heating Ventilation Air Conditioning Controller |
F6 | Body Control Module |
F7 | Battery |
F8 | Spare |
F9 | Spare |
F10 | Spare |
F11 | Spare |
F12 | Spare |
F13 | Display |
F14 | OnStar® Universal Hands Free Phone |
F15 | Body Control Module 3 |
F16 | Body Control Module 4 |
F17 | Power Outlet 1 |
F18 | Power Outlet 2 |
F19 | Steering Wheel Controls Backlight |
F20 | Spare |
F21 | Spare |
F22 | Spare |
F23 | Trunk |
F24 | Automatic Occupant Sensing |
F25 | Body Control Module 1 |
F27 | Body Control Module 8 |
F28 | Spare |
F29 | Body Control Module 5 |
F30 | Body Control Module 7 |
Circuit Breaker | Usage |
CB7 | Passenger Seat |
CB26 | Driver Seat |
Relays | Usage |
K10 | Retained Accessory Power |
K605 | — |
K609 | Trunk |
Rear Compartment Fuse Block
The rear compartment fuse block is located on the right side of the trunk behind a cover.
Fuses | Usage |
F1 | Universal Garage Door Opener/Ultrasonic Reverse Parking Aid |
F2 | Amplifier |
F3 | Radio |
F4 | Spare |
F5 | Convertible Top 1 |
F6 | Convertible Top 2 |
F7 | Spare |
F8 | Spare |
F9 | Spare |
F10 | Spare |
F11 | Spare |
F12 | Spare |
F13 | Engine Control Module/Battery |
F14 | Regulated Voltage Control |
F15 | Fuel System Control Module |
F16 | Spare |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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