Chevrolet Silverado 1500 2018 Fuse Box Info
Passenger compartment fuse box location:
The left instrument panel fuse box is located on the driver side edge of the instrument panel.
The right instrument panel fuse box is located on the passenger side edge of the instrument panel.
Engine compartment fuse box:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Left):
| Fuse/Relay N° | Functions |
| 1 | Accessory Power Outlet 2 |
| 2 | Special equipment option/Retained accessory power |
| 3 | Universal Garage Door Opener/Inside 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 | Heating, ventilation, and air conditioning/ Auxiliary heating, ventilation, and air conditioning/Ignition |
| 23 | Instrument cluster/ Ignition sensing diagnostic module/ Ignition |
| 24 | - |
| 25 | Data Link Connector/ Driver Seat Module |
| 26 | Passive entry/Passive start/Heating, ventilation, and air conditioning |
| 27 | - |
| 28 | - |
| 29 | Park Enable/ Electrically Adjustable Pedals |
| 30 | Special equipment option |
| 31 | Accessory/Run Crank |
| 32 | Heated Steering Wheel |
| 33 | - |
| 34 | Instrument Cluster |
| 36 | - |
| 37 | - |
| 38 | 4WD transfer case electronic control |
| 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 |
| 50 | Run/Crank |
Passenger compartment fuse box (Right):
| Fuse/Relay N° | Functions |
| 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/ Special equipment option/Battery 1 |
| 27 | Obstacle Detection/ USB Ports |
| 28 | Body Control Module 2 |
| 32 | Special equipment option/Battery 2 |
| 35 | Air conditioning inverter |
| 36 | Amplifier |
| 37 | Battery system |
| 39 | Rear Sliding Window |
| 42 | Right Door Window Motor |
| 43 | Front Blower |
| 44 | Special equipment option |
| 45 | Body Control Module 6 |
| 46 | Body Control Module 7 |
| 47 | Passenger Seat |
| 50 | Retained Accessory Power |
| 51 | Rear Sliding Window Open |
| 52 | Rear Sliding Window Close |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Trailer Brake |
| 2 | Trailer Battery |
| 3 | Antilock brake system pump |
| 4 | Instrument Panel BEC 1 |
| 5 | Passenger motorized seat belt |
| 6 | 4WD transfer case electronic control |
| 7 | Electronic park brake |
| 8 | Instrument Panel BEC 2 |
| 9 | Driver motorized seat belt |
| 10 | Rear Window Defogger |
| 11 | Starter |
| 12 | Cooling Fan 1 |
| 13 | Cooling Fan 2 |
| 14 | Left trailer stop/ Turn signal lamps |
| 15 | Trailer parking lamps |
| 16 | Trailer reverse lamps |
| 17 | Right trailer stop/ Turn signal 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 | Antilock brake system valve |
| 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 | Air conditioning clutch |
| 36 | Heated Mirrors |
| 37 | Upfitter 1 |
| 38 | Center High-Mounted 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 Lamp |
| 50 | O2 Sensor A |
| 51 | Engine Control Module |
| 52 | Interior Heater |
| 53 | Accessory power module/TPM pump |
| 54 | Front washer |
| 55 | Air conditioning/ Battery regulated voltage control |
| 56 | Air conditioning module/ Battery pack |
| 57 | Transmission control module/ Engine control module |
| 58 | Headlamps |
| 59 | Fuel pump |
| 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 | Vacuum pump/ Cooling fan clutch |
| 72 | CKT 95 |
| 73 | CKT 92 |
| 74 | Electric running boards (if equipped) |
| 75 | Fuel pump prime/ MGU motor |
| 76 | Fuel pump prime / MGU motor |
| 77 | Cabin pump motor |
| 78 | Vacuum pump switch |
| 79 | Vacuum pump |
