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Fuse box diagram (fuse layout), location and assignment of fuses and relays Ford F250, F350, F450 and F550 (2002, 2003, 2004, 2005, 2006, 2007).
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.
Notice
- 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 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.
To reinstall the cover, align and engage the two hooked clips at the bottom of the cover onto the instrument panel, then lift the panel and press the top clips firmly into place.
| № | A | Protected components |
|---|---|---|
| 1 | 15 | Adjustable pedals |
| 2 | 10 | 2005-2007: Cluster |
| 3 | 10 | 2005-2007: Upfitter #3 |
| 4 | 20 | Power point - instrument panel |
| 5 | 10 | 2005-2007: Upfitter #4 |
| 6 | 20 | 2002-2004: Trailer tow turn/stop relay |
| 7 | 30 | High beam headlamps, Flash to pass |
| 8 | 15 | 2003-2004, Diesel: Back-up lamps |
| 20 | 2005-2007: Back-up lamps | |
| 9 | 20 | 2003-2004: Heated mirrors |
| 10 | 10 | 2002-2004: A/C clutch |
| 11 | 20 | Radio (main) |
| 12 | 20 | Cigar lighter, OBD II |
| 13 | 5 | Power mirrors/switches |
| 14 | 15 | 2002-2004: Daytime running lamps (DRL) |
| 15 | — | Not used |
| 16 | — | Not used |
| 17 | 15 | Exterior lamps |
| 18 | 20 | Turn lamps (flasher), Brake On-Off (BOO) lamps |
| 19 | 10 | Body security module, 4x4 module |
| 20 | 10 | 2003-2004, Diesel: Fuel Injection Control Module (FICM) relay |
| 15 | 2005-2007: Trailer tow Electric Brake Controller (EBC) | |
| 21 | 20 | 2005-2007: Heated seats |
| 22 | 20 | Engine control |
| 23 | 20 | Gasoline: Engine control |
| Diesel: Climate control | ||
| 24 | 2 | 2003-2004: Brake pressure switch, Speed control |
| 15 | 2005-2007: Tow haul, Blower relay, Electronic Automatic Temperature Control | |
| 25 | 10 | 2002-2004: 4-Wheel Anti-lock Brake System (4WABS) module, Variable Fan Control (VFC) (2003-2004, Diesel) |
| 26 | 10 | Air bags |
| 27 | 15 | Ignition switch Run feed |
| 28 | 10 | 2002-2004: EATC module, Front blower relay coil |
| 2005-2007: Trailer tow EBC logic | ||
| 29 | 10 | Customer access |
| 30 | 15 | Highbeam headlamps |
| 31 | 15 | 2002-2004: Clutch interlock switch (manual transmissions only), Transmission range sensor (automatic transmissions only) then to starter relay coil (all transmissions), 4x4 |
| 2005: 4x4 | ||
| 2006-2007: Starter relay | ||
| 32 | 5 | Radio (start) |
| 33 | 15 | 2002-2004: Front wiper |
| 2005-2007: Cluster, 4x4, Wipers | ||
| 34 | 10 | Brake on-off switch (Low current) |
| 35 | 10 | Instrument cluster |
| 36 | 10 | 2002-2004: PCM Memory |
| 37 | 15 | Horn |
| 38 | 20 | Trailer tow park lamps, backup lamps (2002) |
| 39 | 15 | 2003-2004: Trailer tow back-up lamps |
| 2005-2007: Heated mirrors | ||
| 40 | 20 | Fuel pump |
| 41 | 10 | Instrument cluster |
| 42 | 15 | Delayed accessory |
| 43 | 10 | Fog lamps |
| 44 | — | Not used |
| 45 | 10 | Ignition switch Run/Start feed |
| 46 | 10 | Left-hand low beam |
| 47 | 10 | Right-hand low beam |
| 48 | — | Not used |
| 101 | 30 | Trailer tow electric brake |
| 102 | 30 | Door locks/Body security module |
| 103 | 50 | 2002-2004: Ignition switch |
| 30 | 2005-2007: Ignition switch | |
| 104 | 40 | 2003-2004: Heated backlight |
| 105 | 30 | 2002, Diesel: Injector driver module |
| 2003-2004, Diesel: Fuel heater | ||
| 106 | 30 | Front wiper main |
| 107 | 40 | 2002-2004: Front blower motor |
| 20 | 2005-2007: Trailer tow battery charge | |
| 108 | 30 | 2005-2007: Upfitter #1 |
| 109 | 30 | 2002-2004: Heated seats |
| 2005-2007: Upfitter #2 | ||
| 110 | 50 | 2002-2004: Ignition switch |
| 30 | 2005-2007: Ignition switch | |
| 111 | 30 | 2002-2004: 4WD/Shift on the fly |
| 112 | 30 | Left-hand power seats |
| 113 | 30 | Starter motor |
| 114 | 30 | Right-hand power seats |
| 115 | 20 | 2002-2004: Trailer tow battery charge |
| 2005-2007: Upfitter control | ||
| 116 | 30 | Ignition switch |
| 601 | 30 | Circuit Breaker: Delayed accessory, Power windows, Moonroof |
| 602 | 60 | 2002-2004: 4WABS module |
| 210 | Not used | |
| 211 | 2003-2004, Diesel: Back-up lamps | |
| 2005-2007: Back-up lamps | ||
| 212 | Not used | |
| 301 | 2002-2004: Front blower motor | |
| 2005-2007: Trailer tow battery charge | ||
| 302 | Powertrain Control Module (PCM) | |
| 303 | 2002, Diesel: Injector driver module | |
| 2003-2004, Diesel: Fuel heater | ||
| 304 | 2003-2004: Heated backlight | |
| 305 | 2002-2004: Trailer tow battery charge | |
| 2005-2007: Upfitter control | ||
| 306 | Delayed accessory | |
| 307 | Starter | |
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Engine Compartment Fuse Box Diagram
The power distribution box is located in the engine compartment.
| № | A | Protected components |
|---|---|---|
| 1 | 30 | Wipers |
| 2 | 40 | Blower |
| 3 | 30 | Electronic Shift on the Fly (ESOF) |
| 4 | — | Not used |
| 5 | 50 | Diesel: Injector Driver Module (IDM) |
| 6 | — | Not used |
| 7 | 30 | 2005, Diesel: Horizontal Fuel Conditioner Module (HFCM) |
| 8 | — | Shunt |
| 9 | 20 | Trailer tow turn signals |
| 10 | 10 | Powertrain Control Module (PCM) keep alive power, Canister vent solenoid (gasoline) |
| 11 | 10 | Anti-lock Brake System (ABS) |
| 12 | 2 | Brake pressure switch |
| 13 | 15 | Daytime Running Lamps (DRL) |
| 14 | — | Not used |
| 15 | 15 | Diesel: Injector Driver Module logic |
| 16 | — | Not used |
| 17 | 10 | A/C clutch |
| 18 | 10 | Diesel: Injector Driver Module relay |
| 19 | — | Not used |
| 20 | 10 | Trailer tow back-up lamps |
| 21 | — | Not used |
| 22 | 60 | ABS (Coils) |
| 23 | 60 | ABS (Pump) |
| 201 | Trailer tow right turn signal/stop lamp | |
| 202 | Trailer tow left turn signal/stop lamp | |
| 203 | A/C clutch | |
| 204 | Not used | |
| 205 | Daytime Running Lamps #1 | |
| 206 | Daytime Running Lamps #2 | |
| 301 | Daytime Running Lamps #3 | |
| 302 | Not used | |
| 303 | Blower | |
| 304 | Diesel: Injector Driver Module | |
Auxiliary Relay Box (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.
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