2005 Ford F450 Fuse Box Diagram

Understanding the fuse box diagram is essential for troubleshooting electrical issues and ensuring that your vehicle functions smoothly.

In this blog, we’ll break down the 2005 Ford F450 fuse box diagram into simple terms, using easy-to-understand vocabulary. Whether you’re a novice when it comes to automotive knowledge or just need a refresher, we’ve got you covered.

Standard fuse amperage rating and color

Fuse ratingMini fusesStandard fusesMaxi fusesCartridge maxi fusesFuse link cartridge

2005 Ford F450 Fuse Box Diagram (Power Distribution Box)

Located in the engine compartment, the power distribution box serves as a vital hub for the electrical system of your vehicle. Within this box, a set of high-current fuses diligently protect the main electrical systems of your vehicle from potential overloads, demonstrating their purposeful design and importance.


Follow these steps to open the hood and access the Power Distribution Box:

  1. Start by locating the hood release handle beneath the bottom left corner of the instrument panel inside the vehicle.
  2. Proceed to the front of the vehicle and locate the auxiliary latch positioned under the right center of the hood. Release the auxiliary latch by sliding the handle.
  3. With the auxiliary latch released, lift the hood upwards until the lift cylinders engage and hold it open.

These fuses play a critical role in ensuring the smooth operation and longevity of your vehicle’s electrical components. They strategically distribute power and possess robust protective capabilities.

Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
330A*Electronic Shift on the Fly(ESOF)
4Not used
550A*Injector Driver Module (IDM)(Diesel engine only)
6Not used
730A*Horizontal Fuel Conditioner Module (HFCM) (Diesel engine only)
8Not used
920A**Trailer tow turn signals
1010A**Powertrain Control Module (PCM) keep alive power, Canister vent solenoid (gasoline engine only)
1110A**Anti-lock Brake System (ABS)
122A**Brake pressure switch
1315A**Daytime Running Lamps (DRL)
14Not used
1515A**IDM logic (Diesel engine only)
16Not used
1710A**A/C clutch
1810A**IDM relay (Diesel engine only)
19Not used
2010A**Trailer tow back-up lamps
21Not used
2260A***ABS (Coils)
2360A***ABS (Pump)
2011⁄2 ISO relayTrailer tow right turn signal/stop lamp
2021⁄2 ISO relayTrailer tow left turn signal/stop lamp
2031⁄2 ISO relayA/C clutch
204Not used
2051⁄2 ISO relayDRL #1
2061⁄2 ISO relayDRL #2
301Full ISO relayDRL #3
302Full ISO relayHFCM
303Full ISO relayBlower
304High-current relayIDM (Diesel engine only)
* Cartdrige Fuse ** Mini Fuses *** Maxi fuse

Passenger Compartment Fuse Panel


Discover the convenience of accessing the fuse panel in your 2005 F450, cleverly positioned below and to the left of the steering wheel, near the brake pedal.

Unveiling the fuses requires the simple act of removing the panel cover. Just utilize the finger slots located atop the panel, gently pulling it downward.

As you do so, the top clips gracefully disengage, allowing the panel to descend with ease.

Fuse/RelayLocationFuse AmpRatingPassenger Compartment FusePanel Description
115A*Adjustable pedals
310A*Upfitter #3
420A*Power point (Instrument panel)
510A*Upfitter #4
6Not used
730A*High beam headlamps,Flash-to-pass
820A*Back-up lamps
9Not used
10Not used
1120A*Radio (Main)
1220A*Cigar lighter, OBD II
135A*Power mirrors
14Not used
15Not used
16Not used
1715A*Exterior lamps
1820A*Flasher, Brake On-Off (BOO) lamps
1910A*Body Security Module (BSM)(Security)
2015A*Trailer tow Electric BrakeController (EBC)
2120A*Heated seats
2220A*Engine control
2320A*Engine control (gasoline engine only)/Climate control (Diesel engine only)
2415A*Tow haul, Blower relay, ElectronicAutomatic Temperature Control(EATC)
25Not used
2610A*Air bags
2715A*Ignition switch RUN feed
2810A*Trailer tow EBC logic
2910A*Customer access
3015A*High beam headlamps
325A*Radio (start)
3315A*Cluster, 4×4, Wipers
3410A*BOO switch (Low current)
3510A*Instrument cluster
36Not used
3820A*Trailer tow park lamps
3915A*Heated mirrors
4020A*Fuel pump
4110A*Instrument cluster
4215A*Delayed accessory
4310A*Fog lamps
44Not used
4510A*Ignition switch RUN/START feed
4610A*Left-hand low beam headlamp
4710A*Right-hand low beam headlamp
48Not used
10130A**Trailer tow EBC
10230A**BSM (Door locks)
10330A**Ignition switch
104Not used
105Not used
106Not used
10720A**Trailer tow battery charge
10830A**Upfitter #1
10930A**Upfitter #2
11030A**Ignition switch
111Not used
11230A**Power seat (Driver)
11430A**Power seat (Passenger)
11520A**Upfitter control
11630A**Ignition switch
210Not used
2111⁄2 ISO relayBack-up lamps
212Not used
301Full ISO relayTrailer tow battery charge
302Full ISO relayPowertrain Control Module (PCM)
303Not used
304Not used
305Full ISO relayUpfitter control
306Full ISO relayDelayed accessory
307Full ISO relayStarter
60130A circuit breakerDelayed accessory, Power windows, Moonroof
602Not used
* Mini fuse ** Cartridge fuse 
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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.

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