Chevrolet Silverado mk3 (Third Generation) (2014 – 2019) – fuse box diagram
Year of production: 2014, 2015, 2016, 2017, 2018, 2019
Engine Compartment Fuse Block
The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.
| Fuses | Usage |
| 1 | Trailer brake |
| 2 | Trailer battery |
| 3 | ABS pump |
| 4 | Instrument panel BEC 1 |
| 5 | MSB passenger |
| 6 | 4WD transfer case electronic control |
| 7 | Electronic park brake |
| 8 | Instrument panel BEC 2 |
| 9 | MSB driver |
| 10 | Rear window defogger |
| 11 | Starter |
| 12 | Cooling fan 1 |
| 13 | Cooling fan 2 |
| 14 | Left trailer stop/ Turn lamps |
| 15 | Trailer reverse lamps |
| 16 | Trailer reverse lamps |
| 17 | Right trailer stop/ Turn lamps |
| 18 | Fuel Pump |
| 19 | Integrated Chassis Control Module |
| 20 | Electronic Suspension Control Module |
| 21 | Fuel Pump Power Module |
| 22 | Upfitter 1 |
| 23 | Upfitter 2 |
| 24 | Front Wiper |
| 25 | ABS Valves |
| 26 | Upfitter 2 |
| 27 | Upfitter 3 |
| 28 | Right parking lamps |
| 29 | Left parking lamps |
| 30 | Upfitter 3 |
| 31 | Upfitter 4 |
| 32 | Upfitter 4 |
| 33 | Reverse lamps |
| 34 | Engine control module/Ignition |
| 35 | A/C clutch |
| 36 | Heated Mirrors |
| 37 | Upfitter 1 |
| 38 | Center high-mount stoplamp |
| 39 | Miscellaneous/ Ignition |
| 40 | Transmission/ Ignition |
| 41 | Fuel Pump 2 |
| 42 | Cooling Fan Clutch |
| 43 | Engine |
| 44 | Fuel injectors A-odd |
| 45 | Fuel injectors B-even |
| 46 | O2 Sensor B |
| 47 | Throttle Control |
| 48 | Horn |
| 49 | Fog Lamps |
| 50 | O2 Sensor A |
| 51 | Engine control module |
| 52 | Interior heater |
| 53 | Accessory power module/TPM pump |
| 54 | Front washer |
| 55 | A/C/Battery regulated voltage contro |
| 56 | A/C module/ Battery pack |
| 57 | Transmission control module/ Engine control module |
| 58 | Headlamps |
| 59 | Fuel pump |
| Relays | Usage |
| 60 | Upfitter 2 |
| 61 | Upfitter 3 |
| 62 | Upfitter 4 |
| 63 | Trailer Parking Lamps |
| 64 | Run/Crank |
| 65 | Upfitter 1 |
| 66 | Fuel Pump 2 |
| 67 | A/C Control |
| 68 | Starter |
| 69 | Rear window defogger |
| 70 | Engine control module |
| 71 | Cooling fan clutch |
| 72 | CKT 95 |
| 73 | CKT 92 |
Instrument Panel Fuse Block (Left)
The left instrument panel fuse block access door is on the driver side edge of the instrument panel.
| Number | Usage |
| 1 | Accessory Power Outlet 2 |
| 2 | SEO /Retained Accessory Power |
| 3 | Universal garage door opener/Interior rearview mirror |
| 6 | Body Control Module 3 |
| 7 | Body Control Module 5 |
| 8 | Driver Window Switch/Mirror Switch |
| 9 | — |
| 10 | Accessory power outlet/Retained accessory power |
| 11 | Accessory Power Outlet Battery |
| 12 | Accessory Power Outlet 1/Cigarette Lighter |
| 13 | Discrete Logic Ignition Switch |
| 14 | Switch Backlighting |
| 17 | Body Control Module 1 |
| 19 | — |
| 20 | — |
| 22 | HVAC/Auxiliary HVAC/Ignition |
| 23 | Instrument cluster/ Ignition sensing diagnostic module/ Ignition |
| 24 | — |
| 25 | Data Link Connector/ Driver Seat Module |
| 26 | Passive entry/Passive start/HVAC |
| 27 | — |
| 28 | — |
| 29 | Park enable/ Electrically adjustable pedals |
| 30 | SEO |
| 31 | Accessory/Run/Crank |
| 32 | Heated Steering Wheel |
| 33 | — |
| 34 | Instrument Cluster |
| 36 | — |
| 37 | — |
| 38 | 4WD TREC |
| 40 | Left Doors |
| 41 | Driver Power Seat |
| 43 | Left heated, cooled or ventilated seats (if equipped) |
| 44 | Right heated, cooled or ventilated seats (if equipped |
| 45 | — |
| 49 | Retained Accessory Power/Accessory |
| 50 | Run/Crank |
Instrument Panel Fuse Block (Right)
The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
| Number | Usage |
| 1 | Accessory Power Outlet 3 |
| 2 | Accessory Power Outlet 4 |
| 7 | Body Control Module 4 |
| 8 | Body Control Module 8 |
| 9 | Rear Seat Entertainment |
| 10 | Cargo Lamp |
| 15 | Steering Wheel Controls |
| 18 | Radio |
| 19 | — |
| 20 | Sunroof |
| 23 | Airbag/Info |
| 26 | Export/Power Take Off/SEO Battery 1 |
| 27 | Obstacle Detection/ USB Ports |
| 28 | Body Control Module 2 |
| 32 | SEO Battery 2 |
| 35 | AC Inverter |
| 36 | Amplifier |
| 37 | — |
| 39 | Rear Sliding Window |
| 42 | Right Door Window Motor |
| 43 | Front Blower |
| 44 | SEO |
| 45 | Body Control Module 6 |
| 46 | Body Control Module 7 |
| 47 | Passenger Seat |
| 50 | Retained Accessory Power/Accessory |
| 51 | Rear Sliding Window Open |
| 52 | Rear Sliding Window Close |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.