Ford F250, F350, F450, F550 (2002 – 2007) fuse and relay

In this material you will find a complete assignment of fuses and relays family of truck pickups Ford F-Series Super Duty F250, F350, F450, F550 2002 2003 2004 2005 2006 2007 release with box diagrams and their locations. Note the cigarette lighter fuse.

Ford f-250 2005

Is it the wrong generation or year or diagrams are not suitable? See other Ford F250, F350, F450, F550:

[ F-Series 2G (2008-2010) ]

[ F-Series 3G (2011-2016) ]

[ F-Series 4G (2017-2022) ]


Passenger compartment fuse box

It is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses.



To remove the fuse panel cover, pull the panel downward by the finger slots on top of the panel. When the top clips of the panel disengage, let the panel fall easily.

Photo for example

Fuse box


Diagram 1


1Adjustable pedals
215A 2005-2007: Cluster
310A 2005-2007: Upfitter #3
420A Power point – instrument panel
510A 2005-2007: Upfitter #4
620A 2002-2004: Trailer tow turn/stop relay
730A High beam headlamps, Flash to pass
815A 2003-2004, Diesel: Back-up lamps
20A 2005-2007: Back-up lamps
920A 2003-2004: Heated mirrors
1010A 2002-2004: A/C clutch
1120A Radio (main)
1220A Cigar lighter, OBD II
135A Power mirrors/ switches
1415A 2002-2004: Daytime running lamps (DRL)
15Not used
16Not used
1715A Exterior lamps
1820A Turn lamps (flasher), Brake On-Off (BOO) lamps
1910A Body security module, 4×4 module
2010A 2003-2004, Diesel: Fuel Injection Control Module (FICM) relay
15A 2005-2007: Trailer tow Electric Brake Controller (EBC)
2120A 2005-2007: Heated seats
2220A Engine control
2320A Gasoline: Engine control
20A Diesel: Climate control
242A 2003-2004: Brake pressure switch, Speed control
15A 2005-2007: Tow haul, Blower relay, Electronic Automatic Temperature Control
2510A 2002-2004: 4-Wheel Anti-lock Brake System (4WABS) module, Variable Fan Control (VFC) (2003-2004, Diesel)
2610A Air bags
2715A Ignition switch Run feed
2810A 2002-2004: EATC module, Front blower relay coil
10A 2005-2007: Trailer tow EBC logic
2910A Customer access
3015A Highbeam headlamps
3115A 2002-2004: Clutch interlock switch (manual transmissions only), Transmission range sensor (automatic transmissions only) then to starter relay coil (all transmissions), 4×4
15A 2005: 4×4
15A 2006-2007: Starter relay
325A Radio (start)
3315A 2002-2004: Front wiper
15A 2005-2007: Cluster, 4×4, Wipers
3410A Brake on-off switch (Low current)
3510A Instrument cluster
3610A 2002-2004: PCM Memory
3715A Horn
3820A Trailer tow park lamps, backup lamps (2002)
3915A 2003-2004: Trailer tow back-up lamps
15A 2005-2007: 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
4710A Right-hand low beam
48Not used
10130A Trailer tow electric brake
10230A Door locks/Body security module
10350A 2002-2004: Ignition switch
30A 2005-2007: Ignition switch
10440A 2003-2004: Heated backlight
10530A 2002, Diesel: Injector driver module
30A 2003-2004, Diesel: Fuel heater
10630A Front wiper main
10740A 2002-2004: Front blower motor
20A 2005-2007: Trailer tow battery charge
10830A 2005-2007: Upfitter #1
10930A 2002-2004: Heated seats
30A 2005-2007: Upfitter #2
11050A 2002-2004: Ignition switch
2005-2007: Ignition switch
11130A 2002-2004: 4WD/Shift on the fly
11230A Left-hand power seats
11330A Starter motor
11430A Right-hand power seats
11520A 2002-2004: Trailer tow battery charge
20A 2005-2007: Upfitter control
11630A Ignition switch
60130A Circuit Breaker: Delayed accessory, Power windows, Moonroof
60260A 2002-2004: 4WABS module
210Not used
2112003-2004, Diesel: Back-up lamps
2005-2007: Back-up lamps
212Not used
3012002-2004: Front blower motor
2005-2007: Trailer tow battery charge
302Powertrain Control Module (PCM)
3032002, Diesel: Injector driver module
2003-2004, Diesel: Fuel heater
3042003-2004: Heated backlight
3052002-2004: Trailer tow battery charge
2005-2007: Upfitter control
306Delayed accessory

The fuse number 12, 20A, is responsible for the operation of the cigarette lighter.

Engine сompartment

Main fuse box

It is located under the hood on the left side.

Location fuse box


Diagram box under the hood

Circuits protected

130A Wipers
240A Blower
330A Electronic Shift on the Fly (ESOF)
4Not used
550A Diesel: Injector Driver Module (IDM)
6Not used
730A 2005, Diesel: Horizontal Fuel Conditioner Module (HFCM)
920A Trailer tow turn signals
1010A Powertrain Control Module (PCM) keep alive power, Canister vent solenoid (gasoline)
1110A Anti-lock Brake System (ABS)
122A Brake pressure switch
1315A Daytime Running Lamps (DRL)
14Not used
1515A Diesel: Injector Driver Module logic
16Not used
1710A A/C clutch
1810A Diesel: Injector Driver Module relay
19Not used
2010A Trailer tow back-up lamps
21Not used
2260A ABS (Coils)
2360A ABS (Pump)
201Trailer tow right turn signal/ stop lamp
202Trailer tow left turn signal/ stop lamp
203A/C clutch
204Not used
205Daytime Running Lamps #1
206Daytime Running Lamps #2
301Daytime Running Lamps #3
302Not used
304Diesel: Injector Driver Module

Auxiliary relay box

(Only 2006-2007).

An auxiliary relay box is located on the left-hand front side of the engine compartment. This box contains relays for the Electronic Shift On the Fly (ESOF) system.

addtional box

We also published a video on this article. Watch and subscribe!

Do you know how to make the material better – we will be glad to receive your comments.

Comments 7

  • I have a 2004 f250 5r110w Trans. And it will only take off in fifth gear and my computer tells me it has lost communication with the pcm .can you tell me how to fix it please

  • Can you use the not used spots for auxiliary switches. I have a 2004 F350 upfitter switches didn’t happen until 2005 lol

  • What about auxillary relay box on 2003 f250 5.4 4×4 w/ manual 4×4, there is only 3 (1 regular size and two small size) relays ??? any ideas?

  • i have a 2000 ford f250 super duty 4×4 turned 4×4 switch on and nothing ive changed the switch need to know where excactly the 4×4 relay is the manual is not very helpful

  • I have a 2005 Ford Excursion v8 5.4 engine, the oil pressure went up then went down on the gauge then the check gauge signal came on and the truck quit it won’t turn turn over is it a fuse for the oil sending sensor?

  • I have a 2002 ford f350. My dash lights aren”t working. Everything else on the dash is. Is there a fuse that may have blown?

  • 2006 F-350 Super Duty XLT 6.0 diesel; horn blows continuously. Pulled 15 amp fuse and horn stops. Tested the steering wheel membrane switch and it is open. Looked for a wiring diagram and location of the horn relay (if it has one) and cannot find one. Any suggestions?

Leave a Reply

Your email address will not be published. Required fields are marked *