Ford F 250 Fuse Box Guide 2008–2012 featured

Ford F-350 (2008 – 2012) Fuse Box Location & Diagrams

Ford F-350 (2008 – 2012) Fuse Box Location & Diagrams

Finding the right fuse in your Ford F-250 can be tricky without proper guidance. This user-friendly guide covers fuse box locations and diagrams for 2008–2012 models, helping you quickly identify, access, and replace fuses to keep your truck running smoothly.

Fuse Box Locations

Passenger compartment fuse panel

Ford F-250 Fuse Box Guide (2008–2012) fig-1
  • The fuse panel is located in the passenger’s footwell. Remove the panel cover to access the fuses.
  • To remove the fuse panel cover, pull the panel toward you. When the clips of the panel disengage, let the panel fall easily.

Engine Compartment Fuse Box

Ford F-250 Fuse Box Guide (2008–2012) fig-2

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.

Warning:

  • Always disconnect the battery before servicing high current fuses.
  • To reduce risk of electrical shock, always replace the cover to the Power Distribution Box before reconnecting the battery or refilling fluid reservoirs.

Passenger Compartment Fuse Box Diagram

Ford F-350 (2008, 2009 and 2010)

Ford F-250 Fuse Box Guide (2008–2012) fig-3

The fuses are coded as follows.

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-Shift Interlock

(BSI)

620ATurn signals
710ALeft headlamp (Low beam)
810ARight headlamp (Low beam)
915AInterior lighting
1015ACargo lamp
1110ANot used
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
127.5APower mirror switch, Driver power seat

(Memory)

137.5ANot 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)

2610ACluster
2720AIgnition switch feed, Passenger compartment fuses 28, 43 and 45, Engine compartment starter relay coil #57 (Diesel engine), Engine compartment starter relay

diode (gasoline engines)

285ARadio
295ANot used (spare)
305ANot used (spare)
3110ACompass (2008)

Not used (spare) (2009 and 2010)

3210ARestraints Control Module (RCM),

Passenger Airbag Deactivation Indicator

3310ATrailer tow brake controller, Trailer tow

battery charge relay coil

345ANot used (spare)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
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

3820ASubwoofer
3920ARadio
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
467.5ANot used (spare)
4730A Circuit

Breaker

Power windows, Moonroof, Power Sliding

Backlite

48RelayDelayed accessory
Ford F-350 (2011 and 2012)

Ford F-250 Fuse Box Guide (2008–2012) fig-4

The fuses are coded as follows.

Fuse/Relay LocationFuse Amp RatingProtected Circuits
130ANot used (spare)
215AUpfitter relay #4
330ANot used (spare)
410ATelescoping mirror switch, Interior

lights, Hood lamp

520AMoon roof
65ADriver seat module
77.5ADriver seat switch, Driver lumbar

motor

810APower mirror switch
910AUpfitter relay #3
1010ARun/accessory relay, Customer

access feed

Fuse/Relay LocationFuse Amp RatingProtected Circuits
1110AInstrument cluster
1215AInterior lighting, Lighted running

board lamps

1315ARight turn signals and brake lamps, Right trailer tow (TT) stop

turn relay

1415ALeft turn signals and brake lamps,

Left TT stop turn relay

1515AHigh-mounted stop lamps, Backup

lamps, TT backup relay

1610ARight low beam headlamp
1710ALeft low beam headlamp
1810AKeypad illumination, Passive anti-theft indicator (PATS), Powertrain control module

(PCM), Brake shift interlock

1920ASubwoofer
2020APower door locks
2110ABrake on/off switch
2220AHorn
2315ANot used (spare)
2415ASteering wheel control module, Diagnostic connector, Satellite radio module, Power fold mirror

relay, Remote keyless entry

2515ANot used (spare)
265ASteering wheel control module
2720AAmplifier
2815AIgnition switch
2920ASYNC®, GPS module, Radio

faceplate

Fuse/Relay LocationFuse Amp RatingProtected Circuits
3015AParking lamp relay, TT parking

lamp relay

315ATrailer brake controller (brake

signal), Customer access

3215AMoon roof, Auto dimming mirrors, Power invertor, Driver and

passenger door lock switch illumination

3310ARestraint control module
3410ANot used (spare)
355ASelect shift switch, Reverse park aid module, Trailer brake control

module

3610AFuel tank select switch
3710APTC heater
3810ARadio faceplate
3915AHigh beam headlamps
4010AParking lamps (in mirrors), Roof

marker lamps

417.5APassenger airbag deactivation

indicator

425ANot used (spare)
4310AWiper relay
4410AUpfitter switches
455ANot used (spare)
4610AClimate control
4715AFog lamps, Fog lamp indicator (in

switch)

4830A Circuit

Breaker

Power windows switch, Power

rear sliding window switch

49RelayDelayed accessory

Engine Compartment Fuse Box Diagram

Ford F-350 (2008, 2009 and 2010)

Ford F-250 Fuse Box Guide (2008–2012) fig-5

The high-current fuses are coded as follows:

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
4—Not 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

14—Not used
15—Not used
16RelayA/C clutch
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
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-Mounted Stop

Lamp (CHMSL), TBC, Customer access

2315A**Heater mirror
2440A*Blower motor relay
25—Not 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 vent

Diesel engine: Engine Control Module (ECM) keep alive power

3710A**Transmission Control Module (TCM)

(Diesel engine only)

38—Not used
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
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)

51—Not used
52—Not 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
65—Not used
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
66—Not used
67—Not used
68—Not used
69—Not used
7010A**Gasoline engines: A/C clutch relay coil, Refrigerant Containment Switch, Heated PCV

Diesel engine: A/C clutch relay coil, Clutch switch, Fuel pump cooler, A/C cycle pressure switch

715A**Fuel pump relay diode, PCM/ECM

Run/Start power

7215A**Gasoline engines: Ignition coils

Diesel engine: Engine TCM

73—Not used
7420A**Gasoline engines: VPWR: HEGO, CMS, MAFS, EVMV, CMCV, VCT, IMTV

Diesel engine: VPWR: Engine loads

755A**Back-up relay coil power
7620A**Gasoline engines: VPWR: PCM

Diesel engine: VPWR: ECM

7710A**ABS module logic
* Cartridge fuses ** Mini fuses
Ford F-350 (2011 and 2012)

Ford F-250 Fuse Box Guide (2008–2012) fig-6

The high-current fuses are coded as follows:

Fuse/Relay LocationFuse Amp RatingProtected Circuits
1RelayBlower motor
2—Not used
3RelayUrea heaters (diesel engine)
4—Not used
5RelayRear window defroster
6—Not used
750A*Rear window defroster
830A*Passenger seat
930A*Driver seat
Fuse/Relay LocationFuse Amp RatingProtected Circuits
10—Not used
11—Not used
12—Not used
13—Not used
14—Not used
15DiodeFuel pump (diesel engine)
16—Not used
1715A**Heated mirror
18—Not used
19—Not used
20—Not used
21—Not used
2230A*Trailer tow electric brake
2340A*Blower motor
24—Not used
2530A*Wipers
2630A*Trailer tow park lamps
2725A*Urea heaters (diesel engine)
28—Buss bar
29RelayTrailer tow park lamps
30RelayA/C clutch
31RelayWipers
32—Not used
3315A**Vehicle power (VPWR) 1
3415A**VPWR 2 (diesel engine)
20A**VPWR 2 (gas engine)
3510A**VPWR 3
3615A**VPWR 4 (diesel engine)
20A**VPWR 4 (gas engine)
3710A**VPWR 5 (diesel engine)
Fuse/Relay LocationFuse Amp RatingProtected Circuits
38RelayPowertrain control module (PCM) (diesel engine), Electronic control module (ECM)

(gas engine)

3910A**4×4 hub lock
4015A**4×4 electronic lock
41—Not used
42—Not used
43—Not used
44—Not used
4510A**Run/start relay coil
4610A**Transmission control module (TCM) keep-alive power (diesel

engine)

4710A**A/C clutch feed
48RelayRun/start
4910A**Rearview camera system
5010A**Blower motor relay coil
51—Not used
5210A**PCM/ECM/TCM run/start
5310A**4×4 module
5410A**Anti-lock brake system (ABS)

run/start

5510A**Rear window defroster coil,

Battery charge coil

5620A**Passenger compartment fuse

panel run/start feed

57RelayFuel pump
58—Not used
59—Not used
60—Not used
61—Not used
Fuse/Relay LocationFuse Amp RatingProtected Circuits
62—Not used
63—Not used
64—Not used
65—Not used
6620A**Fuel pump
67—Not used
6810A**Fuel pump relay coil
69—Not used
7010A**Trailer tow backup lamp
7110A**Cannister vent (gas engine)
7210A**PCM/ECM relay coil feed

keep-alive power

73—Not used
74RelayTrailer tow left-hand stop/turn
75RelayTrailer tow right-hand stop/turn
76RelayBackup lamp
77—Not used
78—Not used
79—Not used
80—Not used
81—Not used
8220A*Auxiliary power point #2
8320A*Auxiliary power point #1
8430A*4×4 shift motor
8530A*Heated/cooled seats
8625A*ABS coil feed
8720A*Auxiliary power point #5
88—Not used
8940A*Starter motor
9025A*Trailer tow battery charge
91—Not used
Fuse/Relay LocationFuse Amp RatingProtected Circuits
9220A*Auxiliary power point #4
9320A*Auxiliary power point #3
9425A*Upfitter #1
9525A*Upfitter #2
9650A*ABS pump
9740A*Invertor
98—Not used
99—Not used
10025A*Trailer tow turn signals
101RelayStarter
102RelayTrailer tow battery charge
103—Not used
104—Not used
105—Not used
106—Not used
107—Not used
* Cartridge fuses ** Mini fuses

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