2008 Ford Expedition Fuse Box Diagram. Electrical Solutions made easy

In this article, we’re here to help you make sense of the 2008 Ford Expedition fuse box diagram and deep dive into this invaluable resource. Explaining the functions of each fuse, to make it easier for you to understand your vehicle’s electrical system, and empowering you with the knowledge to troubleshoot electrical issues like a pro.

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.

The electrical system of your vehicle is an important component that powers various functions, ensuring a smooth and efficient driving experience. The fuse box serves as a guardian, safeguarding the multitude of electrical components within your SUV from potential harm or malfunctions. By carefully distributing electrical currents, the fuse box prevents overloads and shorts, preserving the integrity of crucial components such as lights, wipers, radio, and more.

A detailed and easy-to-follow fuse box diagram is the key to unlocking this intricate electrical puzzle. It provides a roadmap, allowing you to identify and locate specific fuses, understands their respective amperage ratings, and determine their corresponding circuits.

As a vehicle owner, it’s important for you to understand the significance of a fuse box and its diagram in your vehicle. Let’s break it down:

  • Protecting the electrical system: A fuse box is responsible for safeguarding the electrical system of your car.
  • Preventing electrical failures: Each fuse in the fuse box is assigned to a specific electrical circuit in your car, such as the headlights, windshield wipers, radio, or power windows.
  • Quick identification and replacement: The fuse box diagram provides a visual representation of the fuse box and indicates which fuse corresponds to each electrical circuit.
  • Basic troubleshooting: Understanding the fuse box and its diagram allows you to perform basic troubleshooting on electrical issues.
  • Emergency situations: In rare cases, certain electrical malfunctions can pose safety risks, such as a faulty brake light or a non-functioning horn.
Note: Always disconnect the battery before servicing high current fuses. To reduce risk of electrical shock, always replace the cover to the Power Distribution Box, and Auxiliary Relay Box before reconnecting the battery or refilling fluid reservoirs.

2008 Ford Expedition Power distribution box

Located within the engine compartment of your vehicle, you will find the power distribution box, which serves as a protective enclosure for high-current fuses. In the power distribution box in the engine compartment, the manufacturer has taken proactive measures to enhance the reliability of your vehicle’s electrical components. The main electrical systems are adequately protected, allowing for a smooth and trouble-free operation of your vehicle. With the coding system, you can effectively troubleshoot and address any issues related to the high-current fuses within the power distribution box. The high-current fuses are coded as follows:

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.
* Mini Fuses/ ** Cartridge Fuses
Fuse/RelayLocationFuseAmpRatingPower Distribution Box Description
1Blower relay
2Not used
3Rear window defroster relay
430A**Third-row seats (driver side)
530A **Trailer tow connector (electric brake)
660A**ABS (valves)
7Not used
840A**Heated/cooled seats
960A**ABS (pump)
1020A**Rear console powerpoint
1130A**Auxiliary blower
1225A*Trailer tow connector (park lamps)
1330A *Trailer tow connector (battery charge)
14Not used
15Not used
16A/C clutch relay
17Not used
18Fuel pump relay
19Back-up relay
20Trailer tow connector relay (left turn signal)
21Trailer tow connector relay (right turn signal)
22Not used
2315A*Heated mirrors
2440A**Blower motor
25Not used
26Not used
2730A**Power liftgate
2840A**Rear window defroster, Heated mirror
2930A**Passenger seat
3010A*A/C clutch
3115A*Brake lamps
3220A*Fuel pump
3320A*Back-up lamps
3425A*Trailer tow connector (stop/turn lamps)
3520A*4×4 module
3610A*Powertrain Control Module (PCM) – Keep alive power, Canister vent
3715A*Transmission B+
3830A**Third-row seats (passenger side)
3960A**Air suspension pump
4030A**Starter motor
4120A**IP/Console powerpoint
42Not used
4320A**4×4 module motor
44Not used
4530A**Driver seat
4640A**Run/Start bus bar
4730A**Air suspension – solenoids
48Not used
4930A**Front wipers/washer
5030A**PCM – bus bar
5120A**Cargo powerpoint
5220A**Cigarette lighter
53Air suspension relay
54Starter relay
55Trailer tow connector relay (park lamp)
56Trailer tow connector relay (battery charge)
57Run/Start relay
58Not used
59PCM relay
60One-touch Start diode
61Not used
62Fuel pump diode
6315A*Trailer tow connector (backup lamp)
64Not used
6510A*Air suspension logic
66Not used
6710A*Blower coil
68Not used
6930A*Run/Start – passenger compartment fuse panel
7020A*PCM (sensors) – EFC, A/C clutch coil
715A*Fuel coil, ISP-R
7220A*PCM (ignition coils)
735A*Transmission ignition
7420A*PCM (sensors) – HEGO/CMS, MAFS, EVMV, CMCV, Speed deactivation switch, VCT
755A*4×4 Integrated Wheel Ends (IWE) solenoid
7620A*PCM – VPWR
7710A*ABS logic, Heated PCV

2008 Ford Expedition Passenger compartment fuse panel

The interior fuse box of your vehicle is conveniently situated within the passenger footwell, specifically on the right-hand side. It remains concealed behind a well-designed trim panel, providing easy access for inspection and replacement of fuses whenever necessary. This advantageous placement allows you to ensure the uninterrupted functionality of your vehicle’s electrical systems, maintaining a smooth and efficient operation. By conveniently locating the fuse panel within the passenger compartment, the manufacturer has made it effortless for you to address any fuse-related issues, promoting a hassle-free experience with your vehicle.

Fuse/RelayLocationFuse AmpRatingPassenger Compartment FusePanel Description
130ASmart window #1
215ADriver-side memory module
315AFES, Audio rear seat controls, SDARS
430ASmart window #2
510AKeypad illumination, 3rd row seat enable, Brake Shift Interlock(BSI), SPDJB
620ATurn signals
710ALow beam headlamps (left)
810ALow beam headlamps (right)
915AInterior lights
1015ABacklighting, Puddle lamps
1110ANot used (Spare)
127.5APower mirror switch, Driver seat memory switch
137.5ANot used (Spare)
1410APower liftgate module – keep-alive power
1510AClimate control
1615ANot used (Spare)
1720AAll lock motor feeds, Liftgate release, Liftglass release
1820ANot used (Spare)
1925ARear wiper
2015AAdjustable pedals, Datalink
2115AFog lamps, Cornering lamps
2215APark lamps relay
2315AHigh beam headlamps
2420AHorn relay
2510ADemand lamps, Glovebox, Visor
2610AInstrument panel cluster
2720AIgnition switch
295AInstrument panel cluster
305ANot used (Spare)
3110ACompass, Automatic dimming rear view mirror
3210ARestraints control module
3310ANot used (Spare)
345ANot used (Spare)
3510ARear park assist, 4×4, rear video camera
365APATS transceiver
3710AClimate control
3820ASubwoofer/Amp (Audiophile radio)
4020ANot used (Spare)
4115ANot used (Spare)
4210ATrailer tow battery charge coil
4310ARear wiper logic
4410ANot used (Spare)
455AFront wiper logic
467.5AClimate control, Auxiliary relay control
4730A CircuitBreakerPower windows, Moon roof
48Delayed accessory relay

2008 Ford Expedition Standard fuse amperage rating and color

Fuse ratingMini fusesStandard fusesMaxi fusesCartridge maxi fusesFuse link cartridge
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2005 Ford Expedition Fuse Box Diagram.
2004 Ford Expedition Fuse Box Diagram.
2003 Ford Expedition Fuse Box Diagram.
2002 Ford Expedition Fuse Box Diagram.
2001 Ford Expedition Fuse Box Diagram.
2000 Ford Expedition Fuse Box Diagram.
1999 Ford Expedition Fuse Box Diagram.
1998 Ford Expedition Fuse Box Diagram.
1997 Ford Expedition Fuse Box Diagram.


In conclusion, understanding the fuse box diagram of your 2008 Ford Expedition is of utmost importance for several reasons. Firstly, it allows you to identify and locate specific fuses that correspond to various electrical components in your vehicle.

Furthermore, having a clear understanding of the fuse box diagram promotes safety. By knowing which fuses protect certain systems, you can quickly address any potential overloads or malfunctions. This empowers you to take appropriate actions and prevent further damage to your vehicle’s electrical systems.

Lastly, it is also important to acknowledge the value of seeking help from experts when needed. While you can handle minor electrical repairs and fuse replacements with confidence, some complex issues may require professional assistance.

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