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: 2018
Engine Compartment Fuse Block
The underhood fuse block is in the engine compartment, on the driver side of the vehicle.
| Fuses | Description |
| F1 | Antilock brake system pump |
| F2 | Starter 1 |
| F3 | DC DCÂ transformer 1 |
| F4 | â |
| F5 | DC DCÂ transformer 2 |
| F6 | â |
| F7 | â |
| F8 | â |
| F9 | Vacuum pump |
| F10 | Front wiper |
| F11 | â |
| F12 | â |
| F13 | Starter 2 |
| F14 | â |
| F15 | Rear wiper |
| F16 | â |
| F17 | â |
| F18 | â |
| F19 | â |
| F20 | â |
| F21 | â |
| F22 | Electronic brake control module |
| F23 | Parking/Trailer lamps |
| F24 | Right trailer stoplamp/Turnlamp |
| F25 | Steering column lock |
| F26 | â |
| F27 | Left trailer stoplamp/Turnlamp |
| F28 | â |
| F29 | â |
| F30 | Washer pump |
| F31 | â |
| F32 | Left low â beam headlamp |
| F33 | Front fog lamps |
| F34 | Horn |
| F35 | â |
| F36 | â |
| F37 | Right low â beam headlamp |
| F38 | Automatic headlamp leveling motor (if equipped) |
| F39 | Transmission control module |
| F40 | Left rear bus electrical center/Ignition |
| F41 | Instrument cluster |
| F42 | Heating, ventilation, and air conditioning |
| F43 | Head-up display (if equipped) |
| F44 | Communication gateway module/Run/Crank (if equipped) |
| F45 | â |
| F46 | â |
| F47 | â |
| F48 | â |
| F49 | Interior rearview mirror |
| F50 | Fuel system control module |
| F51 | Heated steering wheel |
| F52 | Folding seats switch |
| F53 | â |
| F54 | Coolant pump |
| F55 | Air conditioning clutch |
| F56 | Integrated chassis control module |
| F57 | Engine control module/Ignition |
| F58 | Transmission control module/Ignition |
| F59 | Engine control module battery |
| F60 | â |
| F61 | O2 sensor 1/MAF/Aeroshutter |
| F62 | Engine control module â even 1 |
| F63 | O2 sensor 2/Canister/Engine oil/Turbo |
| F64 | Engine control module â even 2 |
| F65 | Engine control module powertrain 1 |
| F66 | Engine control module powertrain 2 |
| F67 | Engine control module â odd |
| F68 | â |
| F69 | â |
| F70 | â |
| F71 | â |
| F72 | â |
| F73 | â |
| F74 | â |
| F75 | â |
| F76 | â |
| F77 | â |
Â
| Relays | Usage |
| K1 | Starter 1 |
| K2 | Run/Crank |
| K3 | Vacuum pump |
| K4 | â |
| K5 | Air conditioning |
| K6 | Coolant pump |
| K7 | Engine control module |
| K8 | Folding seats |
| K9 | â |
| K10 | Starter 2 |
Â
Instrument Panel Fuse Block
The instrument panel fuse block is located under the instrument panel on the passenger side of the vehicle.
| Fuses | Description |
| F1 | Body control module 6 |
| F2 | Diagnostic link |
| F3 | Electric steering column lock |
| F4 | Rear USB |
| F5 | â |
| F6 | Heating, ventilation, and air conditioning |
| F7 | Body control module 3 |
| F8 | â |
| F9 | Right front heated seat |
| F10 | Airbag |
| F11 | Electronic precision shift |
| F12 | Amplifier |
| F13 | Body control module 7 |
| F14 | Left front heated seat |
| F15 | â |
| F16 | Sunroof |
| F17 | Communication gateway module (if equipped) |
| F18 | Instrument cluster |
| F19 | Body control module 1 |
| F20 | Wireless charger module |
| F21 | Body control module 4 |
| F22 | Infotainment |
| F23 | Body control module 2 |
| F24 | â |
| F25 | Parking assist |
| F26 | Communications integration module |
| F27 | Video |
| F28 | Radio/Heating, ventilation, and air conditioning display |
| F29 | Radio |
| F30 | Steering wheel controls |
| F31 | Front blower |
| F32 | DC AC inverter |
| F33 | Driver power seat |
| F34 | Passenger power seat |
| F35 | Feed/Body control module 4 |
| F36 | Electric power steering |
| F37 | Power outlet/Â Wireless charger/Accessory |
| F38 | Body control module 8 |
| F39 | Steering wheel controls backlighting |
Â
| Circuit Breaker | Description |
| F40 | â |
| F41 | â |
| F42 | Auxiliary power outlet/Lighter |
Rear Compartment Fuse Block
The rear compartment fuse block is behind a trim panel on the driver side of the rear storage compartment.
| Fuses | Description |
| F1 | â |
| F2 | Trailer |
| F3 | Folding seats |
| F4 | Rear blower |
| F5 | Rear drive control |
| F6 | â |
| F7 | Right window |
| F8 | Rear defogger |
| F9 | Left window |
| F10 | â |
| F11 | Trailer reverse |
| F12 | USB/Third row seats |
| F13 | â |
| F14 | â |
| F15 | â |
| F16 | â |
| F17 | Camera |
| F18 | â |
| F19 | Ventilated seats |
| F20 | â |
| F21 | â |
| F22 | â |
| F23 | â |
| F24 | Lumbar |
| F25 | â |
| F26 | Trailer brake lamps |
| F27 | â |
| F28 | Passive entry/Passive start |
| F29 | â |
| F30 | Canister vent |
| F31 | â |
| F32 | Heated mirrors |
| F33 | USB/Second row seats |
| F34 | Liftgate module |
| F35 | Fuel system control module |
| F36 | â |
| F37 | â |
| F38 | Window module |
| F39 | Rear closure |
| F40 | Memory seat module |
| F41 | Automatic occupancy sensor |
| F42 | â |
| F43 | â |
| F44 | â |
| F45 | Liftgate motor |
| F46 | Rear heated seats |
| F47 | â |
| F48 | â |
| F49 | â |
| F50 | â |
| F51 | â |
| F52 | Semi-active dampening system module |
| F53 | â |
| F54 | External object calculating remote system/Blind zone alert |
| F55 | â |
| F56 | Universal garage door opener/Overhead console |
| F57 | Hands free closure release |
Â
| Circuit Breaker | Description |
| CB! | â |
| CB2 | â |
| CB3 | Rear auxiliary power outlet |
| Relay | Description |
| K1 | â |
| K2 | â |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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