In this article, we’re going to explore the 2014 Ford F150 fuse box diagram to help you understand it better. We’ll carefully explain what each fuse does, so you can have a complete understanding of how these small power protectors help your vehicle’s electrical parts work smoothly.
Table of Contents
Note: If a fuse blows or a circuit breaker opens, all parts connected to that circuit will stop working. Taking the time to inspect and replace faulty fuses can save you from unnecessary repairs and potential hazards, ensuring the smooth operation of your vehicle's electrical components.
2014 Ford F150 Power Distribution Fuse Box Diagram (Underhood)
Note: In the event that you need to disconnect and reconnect the battery, it's important to note that certain features may require resetting. This step is necessary to restore their functionality. *Cartridge fuses/ **Mini fuses Spare fuse amperage may vary.
| Fuse or relay number | Fuse amp rating | Protected components |
| 1 | Relay | Powertrain control module (3.7L, 5.0L and 6.2L engines) |
| 2 | Relay | Starter |
| 3 | Relay | Blower motor |
| 4 | Relay | Rear window defroster |
| 5 | Relay | Electric fan (high speed) |
| 6 | Relay | Trailer tow park lamp |
| 7 | Relay | Run/start |
| 8 | Relay | Fuel pump |
| 9 | Relay | Trailer tow battery charger |
| 10 | Relay | Powertrain control module (3.5L engine) |
| 11 | 30A* | Power running board motors |
| 12 | 40A* | Electric fan (3.7L, 5.0L) |
| 50A* | Electric fan (3.5L, 6.2L with max trailer tow, SVT Raptor) | |
| 13 | 30A* | Starter relay power |
| 14 | 30A* | Passenger power seat |
| 15 | 40A* | Electric fan (3.7L, 5.0L) |
| 50A* | Electric fan (3.5L, 6.2L with max trailer tow, SVT Raptor) | |
| 16 | 20A* | High-intensity discharge headlamp – passenger side |
| 17 | 30A* | Trailer brake control |
| 18 | 30A* | Auxiliary switch 1 (SVT Raptor) |
| 19 | 30A* | Auxiliary switch 2 (SVT Raptor) |
| 20 | 20A* | 4×4 module (electronic shift) |
| 21 | 30A* | Trailer tow battery charge relay power |
| 22 | 20A* | Auxiliary power point (instrument panel) |
| 23 | Relay | Air conditioner clutch |
| 24 | — | Not used |
| 25 | — | Not used |
| 26 | 10A** | 110-volt AC PowerPoint |
| 27 | 20A** | Fuel pump relay power |
| 28 | 10A** | Auxiliary switch 4 (SVT Raptor) |
| 29 | 10A** | 4×4 integrated wheel end solenoid |
| 30 | 10A** | Air conditioner clutch relay power |
| 31 | 15A** | Run/start relay power |
| 32 | 40A* | Rear window defroster relay power, Heated mirror relay power |
| 33 | 40A* | 110-volt AC powerpoint |
| 34 | 40A* | Powertrain control module relay power (3.7L, 5.0L and 6.2L engines) |
| 50A* | Powertrain control module relay power (3.5L engine) | |
| 35 | 20A* | High-intensity discharge headlamps – driver side |
| 36 | 30A* | Roll stability control / Anti-lock brake system |
| 37 | Relay | Trailer tow left stop/turn |
| 38 | Relay | Trailer tow right stop/turn |
| 39 | Relay | Trailer tow backup lamps |
| 40 | Relay | Electric fan |
| 41 | 15A** | Front camera washer (SVT Raptor) |
| 42 | 5A** | Run/start relay coil |
| 43 | 15A** | Trailer tow backup lamp relay power |
| 44 | 15A** | Auxiliary switch 3 (SVT Raptor), Trailer tow power folding mirrors |
| 45 | 10A** | Alternator sensor (3.5L, 3.7L and 5.0L engines) |
| 46 | 10A** | Brake on/off switch |
| 47 | 60A* | Roll stability control / Anti-lock brake system module |
| 48 | 20A* | Moonroof |
| 49 | 30A* | Wiper relay power |
| 50 | — | Not used |
| 51 | 40A* | Blower motor relay power |
| 52 | 5A** | Run/start – Electronic power assist steering, Blower relay coil |
| 53 | 5A** | Run/start – Powertrain control module |
| 54 | 5A** | Run/start – 4×4 module, Backup lamps, Roll stability control /Anti-lock brake system, Trailer tow battery charge relay coil, Rear window defroster relay coil, Front camera washer relay coil (SVT Raptor) |
| 55 | — | Not used |
| 56 | 15A** | Heated mirrors |
| 57 | — | Not used |
| 58 | — | Not used |
| 59 | — | Not used |
| 60 | — | Not used |
| 61 | — | Not used |
| 62 | Relay | Wiper motor |
| 63 | 25A* | Electric fan relay power |
| 64 | — | Not used |
| 65 | 20A* | Auxiliary power point (instrument panel) |
| 66 | 20A* | Auxiliary power point (inside center console) |
| 67 | 20A* | Trailer tow park lamps relay power |
| 68 | 25A* | 4×4 module, 4×2 elocker module |
| 69 | 30A* | Front heated or heated/cooled seats |
| 70 | — | Not used |
| 71 | 20A* | Heated rear seats |
| 72 | 20A* | Auxiliary power point (rear) |
| 73 | 20A* | Trailer tow stop/turn lamps relay power |
| 74 | 30A* | Driver power seat/memory module |
| 75 | 15A** | Powertrain control module – voltage power 1 (3.7L, 5.0L, 6.2L engines) |
| 25A** | Powertrain control module – voltage power 1 (3.5L engine) | |
| 76 | 20A** | Powertrain control module – Voltage power 2: General powertrain components (Mass air flow/Intake air temp sensor – 3.7L, 5.0L, 6.2L engines) (Canister vent solenoid – 3.5L engine) |
| 77 | 10A** | Powertrain control module – Voltage power 3 (Emission related powertrain components, Electric fan relays coil) |
| 78 | 15A** | Powertrain control module – Voltage power 4 – Ignition coils (3.5L, 3.7L, 5.0L engines) |
| 20A** | Powertrain control module – Voltage power 4 – Ignition coils (6.2L engine) | |
| 79 | 5A** | Rain sensor |
| 80 | — | Not used |
| 81 | — | Not used |
| 82 | — | Not used |
| 83 | — | Not used |
| 84 | — | Not used |
| 85 | Relay | Electric fan (low speed) |
2014 Ford F150 Passenger Compartment Fuse Box Diagram
| Fuse or relay number | Fuse amp rating | Protected components |
| 1 | 30A | Driver-side front window |
| 2 | 15A | SYNC, Display module (8-inch) |
| 3 | 30A | Passenger side front window |
| 4 | 10A | Interior lamps |
| 5 | 20A | Memory module |
| 6 | 5A | Not used (spare) |
| 7 | 7.5A | Power mirror switch, Memory seat module |
| 8 | 10A | Not used (spare) |
| 9 | 10A | Radio display, GPS module, Electric finish panel module |
| 10 | 10A | Run/accessory relay |
| 11 | 10A | Instrument cluster |
| 12 | 15A | Interior lighting, Puddle lamps, Backlighting, Cargo lamp |
| 13 | 15A | Right turn signals/stop lamps |
| 14 | 15A | Left turn signals/stop lamps |
| 15 | 15A | Reverse lights, High-mounted stop lamp |
| 16 | 10A | Right low-beam headlamp |
| 17 | 10A | Left low-beam headlamp |
| 18 | 10A | Brake-shift interlock, Keypad illumination, Powertrain control module wake-up, Passive anti-theft system |
| 19 | 20A | Audio amplifier |
| 20 | 20A | Power door locks |
| 21 | 10A | Not used (spare) |
| 22 | 20A | Horn |
| 23 | 15A | Steering wheel control module |
| 24 | 15A | Datalink connector, Steering wheel control module |
| 25 | 15A | Not used (spare) |
| 26 | 5A | Radio frequency module |
| 27 | 20A | Not used (spare) |
| 28 | 15A | Ignition switch |
| 29 | 20A | Radio |
| 30 | 15A | Front parking lamps |
| 31 | 5A | Brake on/off – Instrument panel, Engine |
| 32 | 15A | Delay/accessory – moonroof, power windows, locks, Automatic dimming mirror/Compass, Trailer tow power telescope mirrors |
| 33 | 10A | Rear heated seats |
| 34 | 10A | Reverse sensing system, 4×4 switch, Rear video, Off-road indicator (SVT Raptor), Front video (SVT Raptor), Camera splice module (SVT Raptor) |
| 35 | 5A | Hill descent switch (SVT Raptor) |
| 36 | 10A | Restraint control module, Occupant classification system module |
| 37 | 10A | Trailer brake control |
| 38 | 10A | Delayed accessory – 110-volt power point, Radio |
| 39 | 15A | High-beam headlamps |
| 40 | 10A | Rear park lamps |
| 41 | 7.5A | Passenger airbag deactivation indicator, Auxiliary switch (SVT Raptor) |
| 42 | 5A | Overdrive cancel switch |
| 43 | 10A | Not used (spare) |
| 44 | 10A | Not used (spare) |
| 45 | 5A | Not used (spare) |
| 46 | 10A | Climate controls module |
| 47 | 15A | Fog lamps, Exterior mirror turn signals |
| 48 | 30A Circuit breaker | Power windows, Power sliding back window |
| 49 | Relay | Delayed accessory |
2014 Ford F150 Auxiliary relay box (SVT Raptor only)
The relay box is located in the left-hand corner of the engine compartment near the windshield.
| Fuse or relay number | Fuse amp rating | Protected components |
| 1 | Relay | Auxiliary switch 1 |
| 2 | Relay | Auxiliary switch 2 |
| 3 | Relay | Auxiliary switch 3 |
| 4 | Relay | Auxiliary switch 4 |
| 5 | Relay | Front camera washer |
| 6 | — | Not used |
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.