
Ford F-550 2007 Fuse Box Info
Passenger compartment fuse box location:

The fuse box is located below and to the left of the steering wheel by the brake pedal.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 15A | Adjustable pedals |
| 2 | 10A | Cluster |
| 3 | 10A | Upfitter #3 |
| 4 | 20A | Power point (Instrument panel) |
| 5 | 10A | Upfitter #4 |
| 6 | - | Not used |
| 7 | 30A | High beam headlamps, Flash-to-pass |
| 8 | 20A | Back-up lamps |
| 9 | - | Not used |
| 10 | - | Not used |
| 11 | 20A | Radio (Main) |
| 12 | 20A | Cigar lighter, OBD II |
| 13 | 5A | Power mirrors |
| 14 | - | Not used |
| 15 | - | Not used |
| 16 | - | Not used |
| 17 | 15A | Exterior lamps |
| 18 | 20A | Flasher, Brake On-Off (BOO) lamps |
| 19 | 10A | Body Security Module (BSM) (Security) |
| 20 | 15A | Trailer tow Electric Brake Controller (EBC) |
| 21 | 20A | Heated seats |
| 22 | 20A | Engine control |
| 23 | 20A | Engine control (gasoline engine only)/Climate control (Diesel engine only) |
| 24 | 15A | Tow haul, Blower relay, Electronic Automatic Temperature Control (EATC) |
| 25 | - | Not used |
| 26 | 10A | Air bags |
| 27 | 15A | Ignition switch Run feed |
| 28 | 10A | Trailer tow EBC logic |
| 29 | 10A | Customer access |
| 30 | 15A | High beam headlamps |
| 31 | 15A | Starter relay |
| 32 | 5A | Radio (start) |
| 33 | 15A | Cluster, 4x4, Wipers |
| 34 | 10A | BOO switch (Low current) |
| 35 | 10A | Instrument cluster |
| 36 | - | Not used |
| 37 | 15A | Horn |
| 38 | 20A | Trailer tow park lamps |
| 39 | 15A | Heated mirrors |
| 40 | 20A | Fuel pump |
| 41 | 10A | Instrument cluster |
| 42 | 15A | Delayed accessory |
| 43 | 10A | Fog lamps |
| 44 | - | Not used |
| 45 | 10A | Ignition switch Run/Start feed |
| 46 | 10A | Left-hand low beam headlamp |
| 47 | 10A | Right-hand low beam headlamp |
| 48 | - | Not used |
| 101 | 30A | Trailer tow EBC |
| 102 | 30A | BSM (Door locks) |
| 103 | 30A | Ignition switch |
| 104 | - | Not used |
| 105 | - | Not used |
| 106 | - | Not used |
| 107 | 20A | Trailer tow battery charge |
| 108 | 30A | Upfitter #1 |
| 109 | 30A | Upfitter #2 |
| 110 | 30A | Ignition switch |
| 111 | - | Not used |
| 112 | 30A | Power seat (Driver) |
| 113 | 30A | Starter |
| 114 | 30A | Power seat (Passenger) |
| 115 | 20A | Upfitter control |
| 116 | 30A | Ignition switch |
| 210 | - | Not used |
| 211 | - | Back-up lamps |
| 212 | - | Not used |
| 301 | - | Trailer tow battery charge |
| 302 | - | Powertrain Control Module (PCM) |
| 303 | - | Not used |
| 304 | - | Not used |
| 305 | - | Upfitter control |
| 306 | - | Delayed accessory |
| 307 | - | Starter |
| 601 | 30A | Delayed accessory, Power windows, Moonroof |
| 602 | - | Not used |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Wipers |
| 2 | 40A | Blower |
| 3 | 30A | Electronic Shift on the Fly (ESOF) |
| 4 | - | Not used |
| 5 | 50A | Injector Driver Module (IDM) (Diesel engine only) |
| 6 | - | Not used |
| 7 | - | Not used |
| 8 | - | Shunt |
| 9 | 20A | Trailer tow turn signals |
| 10 | 10A | Powertrain Control Module (PCM) keep alive power, Canister vent solenoid (gasoline engine only) |
| 11 | 10A | Anti-lock Brake System (ABS) |
| 12 | 2A | Brake pressure switch |
| 13 | 15A | Daytime Running Lamps (DRL) |
| 14 | - | Not used |
| 15 | 15A | IDM logic (Diesel engine only) |
| 16 | - | Not used |
| 17 | 10A | A/C clutch |
| 18 | 10A | IDM relay (Diesel engine only) |
| 19 | - | Not used |
| 20 | 10A | Trailer tow back-up lamps |
| 21 | - | Not used |
| 22 | 60A | ABS (Coils) |
| 23 | 60A | 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 | - | DRL #1 |
| 206 | - | DRL #2 |
| 301 | - | DRL #3 |
| 302 | - | Not used |
| 303 | - | Blower |
| 304 | - | IDM (Diesel engine only) |





