A Visual Guide to the 2012 Ford Expedition Fuse Box Diagram. As we all know a picture is worth a thousand words, and in this visual guide, we’ve got you covered. Step-by-step, we walk you through the 2012 Ford Expedition’s Electrical System, providing clear visuals and annotations to help you become a master of your SUV’s electrical system. Additionally, we will provide you with a detailed diagram highlighting the fuses and their corresponding circuits, making it easier for you to identify and replace the relevant fuses if needed.
If you own a Ford Expedition from the year 2012, then you’re in the right place. The fuse box diagram is an essential resource for understanding the intricate electrical system of your vehicle. Whether you’re a seasoned car enthusiast or a new owner looking to familiarize yourself with the fuse box layout, this guide will provide you with the necessary information.
The electrical system in your vehicle serves as the driving force behind its diverse functions, ensuring a smooth and pleasurable driving experience. Envision the fuse box as a steadfast protector, safeguarding crucial electrical components from damage or malfunction by skillfully regulating the flow of electrical currents. Equipped with an all-inclusive fuse box diagram, you possess the capability to navigate this intricate network of electrical pathways, effortlessly pinpointing specific fuses, comprehending their individual ratings, and confidently diagnosing any potential issues. By promptly addressing electrical concerns, you not only save valuable time and potential expenses on repairs but also prioritize the safety and optimal performance of your cherished vehicle.
Note: All information contained in this Quick Reference Guide was accurate at the time of duplication. For detailed operating and safety information, please consult your Owner’s Manual.
Table of Contents
2012 Ford Expedition Power distribution box
The power distribution box is located in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads. If you disconnect and reconnect the battery, you will need to reset some features. The high-current fuses are coded as follows:
* Mini Fuses/ ** Cartridge Fuses
| Fuse/Relay Location | Fuse AmpRating | Protected Circuits |
| 1 | — | Powertrain control module relay |
| 2 | — | Starter relay |
| 3 | — | Blower motor relay |
| 4 | — | Trailer tow battery charge relay |
| 5 | — | Fuel pump relay |
| 6 | — | Electronic fan 1 relay |
| 7 | — | Rear window defroster/heated mirror relay |
| 8 | — | Electronic fan 3 relay |
| 9 | — | Run/start relay |
| 10 | — | Rear air suspension relay |
| 11 | 40A** | Power running board |
| 12 | 40A** | Run/start relay |
| 13 | 30A ** | Starter relay |
| 14 | 40A** | Electronic fan |
| 15 | — | Not used |
| 16 | 40A** | Electronic fan |
| 17 | — | Not used |
| 18 | 30A** | Trailer brake |
| 19 | 60A** | Rear air suspension relay feed |
| 20 | 20A** | 4×4 module |
| 21 | 30A** | Trailer tow battery charge relay |
| 22 | 30A** | Passenger power seat |
| 23 | — | A/C clutch relay |
| 24 | — | Trailer tow park lamp relay |
| 25 | — | Not used |
| 26 | — | Not used |
| 27 | 20A* | 4×4 |
| 28 | 25A* | Trailer tow park lamp relay |
| 29 | 20A* | Backup lamps, Integrated wheel end solenoid |
| 30 | 10A* | A/C clutch relay |
| 31 | — | Not used |
| 32 | 40A** | Blower motor relay |
| 33 | 40A** | 110-volt AC PowerPoint |
| 34 | 30A** | Auxiliary blower motor |
| 35 | 30A** | Powertrain control module relay |
| 36 | 30A** | Power liftgate |
| 37 | — | Trailer tow left-hand stop/turn relay |
| 38 | — | Trailer tow right-hand stop/turn relay |
| 39 | — | Backup lamps relay |
| 40 | — | Electronic fan 2 relay |
| 41 | 10A* | Powertrain control module keep-alive power |
| 42 | — | Not used |
| 43 | 5A* | Brake on/off switch |
| 44 | 20A* | Fuel pump relay |
| 45 | 25A* | Trailer tow stop/turn lamps relay |
| 46 | — | Not used |
| 47 | — | Not used |
| 48 | 30A** | Rear air suspension module |
| 49 | — | Not used |
| 50 | 30A** | Front wiper motor relay |
| 51 | 40A** | Rear window defroster/heated mirror relay |
| 52 | 10A* | Anti-lock brake system run/start feed |
| 53 | 10A* | Rear air suspension module |
| 54 | — | Not used |
| 55 | 5A* | Fuel pump relay coil run/start feed |
| 56 | 30A* | Passenger compartment fuse panelR/S feed |
| 57 | 10A* | Blower motor relay coil |
| 58 | 15A* | Trailer tow backup lamps |
| 59 | 15A* | Heated mirrors |
| 60 | — | Not used |
| 61 | — | Fuel pump diode |
| 62 | — | Not used |
| 63 | 25A** | Electronic fan |
| 64 | 30A** | Moon roof |
| 65 | 20A** | Auxiliary power point (instrument panel) |
| 66 | 20A** | Auxiliary power point (rear of center console) |
| 67 | 40A** | Front row climate controlled seats |
| 68 | 60A** | Anti-lock brake system valves |
| 69 | 60A** | Anti-lock brake system pump |
| 70 | 30A** | Third-row power fold seat |
| 71 | 20A** | Auxiliary power point/cigar lighter |
| 72 | 20A** | Auxiliary power point (right rear quarter panel) |
| 73 | — | Not used |
| 74 | 30A** | Driver power seat |
| 75 | 20A* | Vehicle power 1 – powertrain control module |
| 76 | 20A* | Vehicle power 2 – powertrain control module |
| 77 | 15A* | Vehicle power 4 – ignition coils |
| 78 | — | Not used |
| 79 | 20A* | Vehicle power 3 – powertrain control module |
| 80 | — | Not used |
| 81 | — | Not used |
| 82 | — | Not used |
| 83 | — | Not used |
| 84 | — | Not used |
| 85 | — | Wiper motor relay |
2012 Ford Expedition Passenger Compartment Fuse Panel
Located beneath the right-hand side of the instrument panel, you’ll find the fuse panel.
To gain access to the fuse box, simply pull the trim panel towards you and swing it outwards, away from the side. Remove the panel completely. When reinstalling, ensure that the tabs align with the grooves on the panel, then push it firmly until it securely shuts.
For removing the fuse box cover, press the tabs on both sides of the cover, then carefully pull it off.
To reinstall the fuse box cover, position the top part of the cover on the fuse panel, and then push the bottom part until you hear a distinct click, indicating it has snapped into place. To verify a proper fit, gently tug on the cover. The fuses are uniquely coded with the following markings:
| Fuse/RelayLocation | Fuse AmpRating | Protected Circuits |
| 1 | 30A | Driver window |
| 2 | 15A | Driver-side memory module |
| 3 | 15A | Audio rear seat controls, Satellite radio, SYNC |
| 4 | 30A | Not used (spare) |
| 5 | 10A | Keypad illumination, 3rd-row seat enable, Brake shift interlock (BSI), Smart fuse panel logic power |
| 6 | 20A | Turn signals |
| 7 | 10A | Low beam headlamps (left) |
| 8 | 10A | Low beam headlamps (right) |
| 9 | 15A | Interior lights |
| 10 | 15A | Switch backlighting, Puddle lamps |
| 11 | 10A | Not used (spare) |
| 12 | 7.5A | Power mirrors, Driver seat memory switch |
| 13 | 5A | Not used (spare) |
| 14 | 10A | Power liftgate module – keep-alive power |
| 15 | 10A | Climate control, Global positioning satellite module |
| 16 | 15A | Not used (spare) |
| 17 | 20A | Door locks, Liftgate release, Liftglass release |
| 18 | 20A | Second-row heated seats |
| 19 | 25A | Rear wiper |
| 20 | 15A | Adjustable pedals, Datalink |
| 21 | 15A | Fog lamps |
| 22 | 15A | Park lamps |
| 23 | 15A | High beam headlamps |
| 24 | 20A | Horn |
| 25 | 10A | Demand lamps, Glovebox, Visor |
| 26 | 10A | Instrument panel cluster |
| 27 | 20A | Ignition switch |
| 28 | 5A | Radio |
| 29 | 5A | Instrument panel cluster |
| 30 | 5A | Not used (spare) |
| 31 | 10A | Not used (spare) |
| 32 | 10A | Airbag module |
| 33 | 10A | Not used (spare) |
| 34 | 5A | Not used (spare) |
| 35 | 10A | Rear park assist, 4×4, rear video camera, 2nd row heated seats |
| 36 | 5A | Passive anti-theft system |
| 37 | 10A | Climate control |
| 38 | 20A | Subwoofer |
| 39 | 20A | Radio |
| 40 | 20A | Navigation amplifier |
| 41 | 15A | Power windows, Power vents, Power moon roof, Auto dimming rear view mirror, 110V AC powerpoint |
| 42 | 10A | Not used (spare) |
| 43 | 10A | Rear wiper logic, Rain sensor |
| 44 | 10A | Trailer tow battery charge relay coil |
| 45 | 5A | Front wiper logic |
| 46 | 7.5A | Climate control, Auxiliary relay control |
| 47 | 30A CircuitBreaker | Power windows, Moon roof |
| 48 | — | Delayed accessory relay |
2012 Ford Expedition Standard fuse amperage rating and color
| Fuse rating | Mini fuses | Standard fuses | Maxi fuses | Cartridge maxi fuses | Fuse link cartridge |
| 2A | Grey | Grey | — | — | — |
| 3A | Violet | Violet | — | — | — |
| 4A | Pink | Pink | — | — | — |
| 5A | Tan | Tan | — | — | — |
| 7.5A | Brown | Brown | — | — | — |
| 10A | Red | Red | — | — | — |
| 15A | Blue | Blue | — | — | — |
| 20A | Yellow | Yellow | Yellow | Blue | Blue |
| 25A | Natural | Natural | — | Natural | Natural |
| 30A | Green | Green | Green | Pink | Pink |
| 40A | — | — | Orange | Green | Green |
| 50A | — | — | Red | Red | Red |
| 60A | — | — | Blue | Yellow | Yellow |
| 70A | — | — | Tan | — | Brown |
| 80A | — | — | Natural | Black | Black |
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Conclusion
In conclusion, the 2012 Ford Expedition Fuse Box Diagram is a crucial tool for every owner of this vehicle. It provides valuable information about the location and function of each fuse, ensuring that electrical systems are properly protected and maintained. By understanding the diagram, owners can quickly identify and replace blown fuses, restoring functionality to various components in their trucks.
However, it’s essential to exercise caution when dealing with fuses. Before attempting to change a fuse, it’s important to switch off the ignition and disconnect the battery to prevent any electrical accidents or damage. It’s also recommended to use the correct amperage fuse as specified in the diagram to avoid overloading the circuit and causing further issues.
