Jonathan Yarden Mar 27, 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: 2018
Engine compartment fuse block
The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.
| Mini Fuses (2 pin) | Usage |
| F01 | Traction Control Module Power |
| F02 | Engine Control Module Power |
| F03 | A/C Clutch |
| F04 | â |
| F05 | Engine control module/Integrated chassis control module/Fuel pump power module |
| F06 | Wipers |
| F07 | Cargo lamp/Bed lighting (if equipped) |
| F08 | Fuel Injectors â Even |
| F09 | Fuel Injectors â Odd |
| F10 | Engine Control Module 1 |
| F11 | Miscellaneous 1 / Ignition |
| F12 | Starter |
| F13 | Traction Control Module |
| F14 | â |
| F15 | â |
| F16 | â |
| F17 | Front Axle Actuator |
| F18 | â |
| F19 | â |
| F20 | â |
| F21 | Front blower |
| F22 | Antilock brake system valves |
| F23 | â |
| F24 | Trailer |
| F25 | Transfer case electronic control |
| F26 | Antilock brake system pump |
| F27 | Trailer brake control module (if equipped)/Trailer wiring |
| F28 | Rear window defogger |
| F29 | â |
| F30 | Driver heated seat |
| F31 | â |
| F32 | Passenger heated seat |
| F33 | Body Control Module 3 |
| F34 | Fuel System Control Module |
| F35 | Integrated chassis control module (if equipped) |
| F36 | Center high-mounted stoplamp |
| F37 | Right high-beam headlamp |
| F38 | Left high-beam headlamp |
| F39 | Rear differential lock actuators (ZR2 only) |
| F40 | Front differential lock actuators (ZR2 only) |
| F41 | â |
| F42 | â |
| F43 | â |
| F44 | Vacuum pump |
| F45 | â |
| F46 | Engine control module 2 |
| F47 | Miscellaneous 2/Ignition |
| F48 | Fog Lamps (If Equipped) |
| F49 | â |
| F50 | Trailer Park Lamps |
| F51 | Horn |
| F52 | â |
| F53 | â |
| F54 | â |
| F55 | â |
| F56 | Washer Pump |
| F57 | â |
| F58 | â |
| F59 | â |
| F60 | Mirrors Defogger |
| F61 | â |
| F62 | Canister Vent Solenoid |
| F63 | â |
| F64 | Trailer Reverse Lamp |
| F65 | Left trailer stoplamp/Turn signal lamps |
| F66 | Right trailer stoplamp/Turn signal lamps |
| F67 | Electric Power Steering |
| F68 | â |
| F69 | Battery Regulated Voltage Control |
| F70 | â |
| F71 | â |
| F72 | â |
| F73 | â |
| F74 | Generator |
| F75 | â |
Â
| Relays | Usage |
| K1 | A/C clutch |
| K2 | Starter |
| K3 | â |
| K4 | Wipers Speed |
| K5 | Wipers Control |
| K6 | Cargo lamp/Bed lighting (if equipped) |
| K7 | Powertrain |
| K8 | â |
| K9 | Front differential lock actuators (ZR2 only) |
| K10 | Rear differential lock actuators (ZR2 only) |
| K11 | Center high-mounted stoplamp |
| K12 | Vacuum pump |
| K13 | â |
| K14 | Trailer parking lamps |
| K15 | Run/Crank |
| K16 | â |
| K17 | Rear window/Mirror defogger |
Instrument panel fuse block
The instrument panel fuse block is behind the passenger side cowl side trim panel.
| Fuses | Usage |
| F1 | Body Control Module 1 |
| F2 | â |
| F3 | â |
| F4 | Steering Wheel Controls |
| F5 | Body Control Module 2 |
| F6 | â |
| F7 | â |
| F8 | Mirror Window Module |
| F9 | Instrument Cluster |
| F10 | â |
| F11 | Body Control Module 8 |
| F12 | â |
| F13 | OnStar/HVAC |
| F14 | Radio/HMI |
| F15 | Body Control Module 6 |
| F16 | Communication gateway module |
| F17 | Body Control Module 4 |
| F18 | Airbag |
| F19 | â |
| F20 | Amplifier (if equipped) |
| F21 | â |
| F22 | â |
| F23 | Data link connector/USB |
| F24 | HVAC ignition |
| F25 | Body Control Module 7 |
| F26 | â |
| F27 | â |
| F28 | Instrument panel/Sensing and diagnostic module/Ignition |
| F29 | Miscellaneous Ignition |
| F30 | â |
| F31 | Front Camera |
| F32 | Steering wheel controls backlighting |
| F33 | Heated steering wheel |
| F34 | Front ventilated seats |
| F35 | Park/Reverse/Neutral/Drive/Low/Wireless charging module |
| F36 | Discrete Logic Ignition Sensor |
| F37 | â |
| F38 | â |
| F39 | Auxiliary power outlet 2 |
| F40 | Auxiliary power outlet |
| F41 | Auxiliary power outlet 1/Lighter |
| F42 | Left power window |
| F43 | Driver power seat |
| F44 | â |
| F45 | Right power window |
| F46 | Passenger power seat |
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| Micro Relay | Usage |
| K1 | Retained accessory power |
| K2 | Run/Crank |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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