2008 Ford F250 Fuse Box Diagram

The 2008 Ford F250 is a tough truck known for its reliability and power. However, even the strongest vehicles can experience electrical problems that leave us scratching our heads. That’s where the fuse box diagram comes in handy. It acts like a map, showing you which fuses control different parts of your vehicle’s electrical system.

If certain electrical components in your vehicle are not working, it’s possible that a fuse has blown. Blown fuses can be identified by a broken wire inside the fuse. Before replacing any electrical components, check the corresponding fuses to see if any are blown.

Standard fuse amperage rating and color

Fuse ratingMini fusesStandard fusesMaxi fusesCartridge maxi fusesFuse link cartridge

To access the Power Distribution Box, you need to open the hood via the following steps:

  1. Inside the vehicle, pull the hood release handle under the left side of the dashboard.
  2. Go to the front of the vehicle and find the latch below the passenger side of the grille, next to the headlight. Slide the handle to release the latch.
  3. Lift the hood until it stays open by itself.

Power Distribution Box

The power distribution box is located in the engine compartment and it contains high-current fuses. These fuses are designed to protect the main electrical systems of your vehicle from overloads.

If you have recently disconnected and reconnected the battery, you can refer to the Battery section of the Maintenance and Specifications chapter for further instructions.

2008 Ford F250 Fuse Box Diagram (Power Distribution Box)
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
1RelayBlower motor/Variable blower control (Dual Zone Climate Control)
2RelayElectronic Shift-on-the-Fly (ESOF)Lo-Hi
3RelayHeater mirror
4Not used
530A*Trailer Brake Controller (TBC)
640A*ABS module (Pump)
730A*Upfitter auxiliary switch #1
830A*Upfitter auxiliary switch #2
940A*ABS module (Coil)
1020A*Cigar lighter
1120A*Instrument panel power point
1215A**Brake On/Off (BOO) relay feed
135A **Brake switch, Brake switch relay coil, SJB module, 4×4 module
14Not used
15Not used
16RelayA/C clutch
17RelayNot used
18RelayFuel Pump Driver Module (FPDM),Fuel injectors (Gasoline engines),Diesel Fuel Control Module (DFCM)(Diesel engine)
19RelayBack-up lamps, Reverse Sensing System (RSS), Engine compartment fuse 63
20RelayTrailer stop/turn (Left)
21RelayTrailer stop/turn (Right)
22RelayStop lamps, Center High-MountedStop Lamp (CHMSL), TBC,Customer access
2315A**Heater mirror
2440A*Blower motor relay
25Not used
2630A*ESOF relay lo-hi
2750A*Glow Plug Control Module (GPCM)#1 (Diesel engine only)
2820A*Heated mirror relay
2930A*Passenger power seat
3010A**A/C clutch relay
3115A**Power fold mirror relay
3220A**Fuel pump relay
3320A**Back-up lamp relay
3425A**Trailer stop/turn relay
355A**ESOF relay coils
3610A**Gasoline engines: Powertrain Control Module (PCM) keep alive power, Canister ventDiesel engine: Engine ControlModule (ECM) keep alive power
3710A**Transmission Control Module (TCM)(Diesel engine only)
38Not used
3950A*ECM power (Diesel engine)
4030A*Starter relay
4120A*Power point (Center console -Front)
4230A*Trailer park lamp relay
4320A*Power point (Center console – Rear)
4430A*Trailer battery charge relay
4530A*Driver power seat or Memory module
4640A*Run/Start relay
4750A*GPCM #2 (Diesel engine only)
4830A*ESOF relay hi-lo
4930A*Wiper motor
5030A*PCM relay coil, PCM relay (Gasoline engines only)
51Not used
52Not used
53RelayPCM power bus (Fuses 68, 70, 72,74, 76) (Diesel engine only)
54RelayStarter solenoid
55RelayTrailer tow park lamps
56RelayTrailer tow battery charge
57RelayPower Distribution Box (PDB) bus(fuses 67, 69, 71, 73, 75, 77)SJB Run /Start bus (Fuses 29–37,46)
58RelayESOF hi-lo
59RelayPCM power bus (Fuses 68, 70, 72,74, 76) (Gasoline engines only)
60DiodeStarter relay (Gasoline engines only)
61DiodeA/C clutch
62DiodeFuel pump
6315A**Trailer tow back-up lamps
645A**Mirror marker lamps
65Not used
66Not used
67Not used
68Not used
69Not used
7010A**Gasoline engines: A/C clutch relay coil, Refrigerant ContainmentSwitch, Heated PCVDiesel engine: A/C clutch relay coil, Clutch switch, Fuel pump cooler, A/C cycle pressure switch
715A**Fuel pump relay diode, PCM/ECMRun/Start power
7215A**Gasoline engines: Ignition coilsDiesel engine: Engine TCM
732A**Reverse Camera System (RCS)
7420A**Gasoline engines: VPWR: HEGO,CMS, MAFS, EVMV, CMCV, VCT,IMTVDiesel engine: VPWR: Engine loads
755A**Back-up relay coil power
7620A**Gasoline engines: VPWR: PCMDiesel engine: VPWR: ECM
7710A**ABS module logic
* Cartridge fuses ** Mini fuses 

Passenger Compartment Fuse Panel


The Passenger Compartment Fuse panel is located in the passenger’s footwell.

  1. Locate the fuse panel in the passenger’s footwell. It’s a box that contains the fuses.
  2. Remove the panel cover to access the fuses. Simply pull the panel towards you. The clips holding the panel will disengage, allowing the panel to fall easily.
  3. To remove a fuse, use the fuse puller tool that is provided on the fuse panel cover. It helps you safely grip and remove the fuse.
2008 Ford F250 Fuse Box Diagram (Passenger Compartment Fuse Panel)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
130ANot used (spare)
215ANot used (spare)
315AFamily Entertainment System (FES)
430ANot used (spare)
510AKeypad illumination, Brake-ShiftInterlock (BSI), SPBJB
620ATurn signals
710ALeft headlamp (Low beam)
810ARight headlamp (Low beam)
915AInterior lighting, Lighted running boards
1015ACargo lamp
1110ANot used
127.5APower mirror switch, Driver power seat (Memory)
135ANot used (spare)
1410AUpfitter relay #3 feed
1510AClimate control head
1615AUpfitter Relay #4 Feed
1720AAll lock motor feeds
1820AHeated seat relay feed
1925ANot used (spare)
2015AAdjustable pedals, Datalink
2115AFog lamp relay feed, Cornering lamps
2215APark lamp relay feed
2315AHigh beam headlight relay feed
2420AHorn relay feed
2510APower telescoping mirror switch Demand lamps – underhood and illuminated visor (battery saver)
2720AIgnition switch feed, Passenger compartment fuses 28, 42, 43, 44, and 45, Engine compartment starter relay coil #57 (Diesel engine), Accessory shutoff control module (if equipped) (Diesel engine), Engine compartment starter relay diode(gasoline engines)
295ANot used (spare)
305ANot used (spare)
3210ARestraints Control Module (RCM),Passenger Airbag DeactivationIndicator
3310ATrailer tow brake controller, Trailer tow battery charge relay coil
345ANot used (spare)
3510AReverse Sensing System (RSS), 4×4 module, 4×4 solenoid, Traction control switch, Tow/Haul switch(Diesel engine)
365APassive Anti-Theft System (PATS) transceiver, Cluster control
3710ADual automatic or Manual climate control, PTC control
4020A4×4 module, Satellite radio module
4115ARadio, Electrochromatic rear view mirror, Lock switch illumination
4210AHeated seat relay coil, Upfitter switch relay coils, Heated mirror relay coil
4310AFuel tank selector switch, 4×4 module
4410ARun/Start customer access feed(PTO)
455AFront wiper logic, Blower motor relay coil
467.5AE/C mirror
4730A CircuitBreakerPower windows, Moonroof, PowerSliding Backlite
48RelayDelayed accessory

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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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