Ford F250, F350, F450, F550 (2008-2010) Fuse Diagram (2024)


Fuse box diagram (fuse layout), location and assignment of fuses and relays Ford F250, F350, F450, F550 (2008, 2009, 2010).

Checking and Replacing Fuses

Fuses and circuit breakers protect your vehicle’s electrical system from overloading. If electrical parts in your vehicle are not working, the system may have been overloaded and blown a fuse or tripped a circuit breaker. Before you replace or repair any electrical parts, check the appropriate fuses or circuit breakers.

To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse.


  • Before replacing fuses check that the key has been removed from the ignition and that all the services are switched off and/or disengaged.
  • Always disconnect the battery before servicing high current fuses.
  • Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
  • Never replace a broken fuse with anything other than a new fuse. Use always an intact fuse of the same color.
  • If a fuse blows again contact a qualified service center.

Passenger Compartment Fuse Box Diagram

The fuse panel is located in the passenger’s footwell. To remove the fuse panel cover, pull the panel toward you. When the clips of the panel disengage, let the panel fall easily.

Ford F250, F350, F450, F550 (2008-2010) Fuse Diagram (2)

Ford F250, F350, F450, F550 (2008-2010) Fuse Diagram (3)

AProtected components
130Not used (spare)
215Not used (spare)
315Family Entertainment System (FES)
430Not used (spare)
510Keypad illumination, Brake-Shift Interlock (BSI), SPBJB
620Turn signals
710Left headlamp (Low beam)
810Right headlamp (Low beam)
915Interior lighting, Lighted running boards
1015Cargo lamp, Puddle lamp, Switch backlight
1110Not used
127.5Power mirror switch, Driver power seat (Memory)
135Not used (spare)
1410Upfitter relay #3 feed
1510Climate control head
1615Upfitter Relay #4 Feed
1720All lock motor feeds
1820Heated seat relay feed
1925Not used (spare)
2015Adjustable pedals, Datalink
2115Fog lamp relay feed, Cornering lamps
2215Park lamp relay feed
2315High beam headlight relay feed
2420Horn relay feed
2510Power telescoping mirror switch Demand lamps - underhood and illuminated visor (battery saver)
2720Ignition 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)
295Not used (spare)
305Not used (spare)
3210Restraints Control Module (RCM), Passenger Airbag Deactivation Indicator
3310Trailer tow brake controller, Trailer tow battery charge relay coil
345Not used (spare)
3510Reverse Sensing System (RSS), 4x4 module, 4x4 solenoid, Traction control switch, Tow/Haul switch (Diesel engine)
365Passive Anti-Theft System (PATS) transceiver, Cluster control
3710Dual automatic or Manual climate control, PTC control
3920Radio, Navigation radio and amplifier
40204x4 module, Satellite radio module, SYNC, GPS
4115Radio, Electrochromatic rear view mirror, Lock switch illumination
4210Heated seat relay coil, Upfitter switch relay coils, Heated mirror relay coil
4310Fuel tank selector switch, 4x4 module
4410Run/Start customer access feed (PTO)
455Front wiper logic, Blower motor relay coil
467.5E/C mirror
4730Circuit Breaker:Power windows, Moonroof, Power Sliding Backlite
48Delayed accessory


Engine Compartment Fuse Box Diagram

The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

Ford F250, F350, F450, F550 (2008-2010) Fuse Diagram (4)

AProtected components
4Not used
530Trailer Brake Controller (TBC)
640ABS module (Pump)
730Upfitter auxiliaiy switch #1
830Upfitter auxiliaiy switch #2
940ABS module (Coil)
1020Cigar lighter
1120Instrument panel power point
1215Brake On/Off (BOO) relay feed
135Brake switch, Brake switch relay coil, SJB module, 4x4 module
14Not used
15Not used
2315Heater mirror, Heated spotted mirror
2440Blower motor relay
25Not used
2630ESOF relay lo-hi
2750Diesel:Glow Plug Control Module (GPCM) #1
2820Heated mirror relay
2930Passenger power seat
3010A/C dutch relay
3115Power fold mirror relay
3220Fuel pump relay
3320Back-up lamp relay
3425Trailer stop/turn relay
355ESOF relay coils
3610Gasoline:Powertrain Control Module (PCM) keep alive power, Canister vent
Diesel:Engine Control Module (ECM) keep alive power
3710Diesel:Transmission Control Module (TCM)
38Not used
3950Diesel:ECM power
4030Starter relay
4120Power point (Center console -Front)
4230Trailer park lamp relay
4320Power point (Center console - Rear)
4430Trailer battery charge relay
4530Driver power seat or Memory module, Air ride seat
4640Run/Start relay
4750Diesel:GPCM #2
4830ESOF relay lii-lo
4930Wiper motor
5030Gasoline:PCM relay coil, PCM relay
51Not used
52Not used
6315Trailer tow back-up lamps
645Mirror marker lamps
65Not used
66Not used
67Not used
68Not used
69Not used
7010Gasoline:A/C clutch relay coil, Refrigerant Containment Switch, Heated PCV
Diesel:A/C clutch relay coil, Clutch switch, Fuel pump cooler, A/C cycle pressure switch
715Fuel pump relay diode, PCM/E CM Run/Start power
7215Gasoline:Ignition coils
15Diesel:Engine TCM
732Reverse Camera System (RCS)
7420Gasoline:VPWR: Heated exhaust gas oxygen sensor, CMS, Mass air flow sensor, Electronic vapor management valve, CMCV, Variable cam timing, IMTV
Diesel:VPWR: Engine loads
755Back-up relay coil power
7620Gasoline:VPWR: PCM
Diesel:VPWR: ECM
7710ABS module logic
60Gasoline:Starter relay
One-touch start (OTIS)
61A/C clutch
62Fuel pump
1Blower motor/Variable blower control (Dual Zone Climate Control)
2Electronic Shift-on-the-Fly (ESOF) Lo-Hi
3Heater mirror
16A/C clutch
18Gasoline:Fuel Pump Driver Module (FPDM), Fuel injectors
Diesel:Diesel Fuel Control Module (DFCM)
19Back-up lamps, Reverse Sensing System (RSS), Engine compartment fuse 63
20Trailer stop/turn (Left)
21Trailer stop/turn (Right)
22Stop lamps, Center High-Mounted Stop Lamp (CHMSL), TBC, Customer access
53Diesel:PCM power bus (Fuses 68, 70, 72, 74, 76)
54Starter solenoid
55Trailer tow park lamps
56Trailer tow battery charge
57Power Distribution Box (PDB) bus (fuses 67, 69, 71, 73, 75, 77)
SJB Run /Start bus (Fuses 29-37, 46)
58ESOF hi-lo
59Gasoline:PCM power bus (Fuses 68, 70, 72, 74, 76)


Ford F250, F350, F450, F550 (2008-2010) Fuse Diagram (2024)
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