Ford F250, F350, F450, F550 2008 2009 2010 represents the 2nd generation Ford F-Series. In our post you will find an assignment of Ford F250, F350, F450, F550 2G fuses and relays with box diagrams and locations. We will also tell you which fuses are responsible for the cigarette lighter.
The purpose of the fuses and relays may differ from that shown. In case of difficulty, contact your dealer.
Is it the wrong generation or year or diagrams are not suitable? See other Ford F250, F350, F450, F550:
Passenger compartment
The fuse and relay box is located under the right-hand side of the instrument panel.
Diagram
Assignment
| 1 | 30A Not used (spare) |
| 2 | 15A Not used (spare) |
| 3 | 15A Family entertainment system (FES) |
| 4 | 30A Not used (spare) |
| 5 | 10A Keypad illumination, Brake-shift interlock (BSI), SPBJB |
| 6 | 20A Turn signals |
| 7 | 10A Left headlamp (Low beam) |
| 8 | 10A Right headlamp (Low beam) |
| 9 | 15A Interior lighting, Lighted running boards |
| 10 | 15A Cargo lamp, Puddle lamp, Switch backlight |
| 11 | 10A Not used (spare) |
| 12 | 7,5A Power mirror switch, Driver power seat (Memory) |
| 13 | 5A Not used (spare) |
| 14 | 10A Upfitter relay #3 feed |
| 15 | 10A Climate control head |
| 16 | 15A Upfitter relay #4 Feed |
| 17 | 20A All lock motor feeds |
| 18 | 20A Heated seat relay feed |
| 19 | 25A Not used (spare) |
| 20 | 15A Adjustable pedals, Datalink |
| 21 | 15A Fog lamp relay feed, Cornering lamps |
| 22 | 15A Park lamp relay feed |
| 23 | 15A High beam headlight relay feed |
| 24 | 20A Horn relay feed |
| 25 | 10A Power telescoping mirror switch, Demand lamps – underhood and illuminated visor (battery saver) |
| 26 | 10A Cluster |
| 27 | 20A Ignition 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) |
| 28 | 5A Radio |
| 29 | 5A Not used (spare) |
| 30 | 5A Not used (spare) |
| 31 | 10A Not used (spare) |
| 32 | 10A Restraints control module (RCM), Passenger airbag deactivation indicator |
| 33 | 10A Trailer tow brake controller, Trailer tow battery charge relay coil |
| 34 | 5A Not used (spare) |
| 35 | 10A Reverse sensing system (RSS), 4×4 module, 4×4 solenoid, Traction control switch, Tow/Haul switch (Diesel engine) |
| 36 | 5A Passive anti-theft system (PATS) transceiver, Cluster control |
| 37 | 10A Climate control, PTC control |
| 38 | 20A Subwoofer |
| 39 | 20A Radio, Navigation radio and amplifier |
| 40 | 20A 4×4 module, Satellite radio module, SYNC®, GPS |
| 41 | 15A Radio, Auto dimming rear view mirror, Lock switch illumination |
| 42 | 10A Heated seat relay coil, Upfitter switch relay coils, Heated mirror relay coil |
| 43 | 10A Fuel tank selector switch, 4×4 module |
| 44 | 10A Run customer access feed (PTO) |
| 45 | 5A Front wiper logic, Blower motor relay coil |
| 46 | 7,5A Not used (spare) |
| 47 | 30A Power windows, Moon roof, Power rear sliding window |
| 48 | Relay Delayed accessoiy |
Engine compartment
Under the hood, the fuse box is installed on the left side and covered with a protective cover.
Location
Diagram
Designation
| 1 | Relay | Blower motor/Variable blower control (Dual zone climate control) |
| 2 | Relay | Electronic shift-on-the-fly (ESOF) Lo-Hi |
| 3 | Relay | Heater mirror |
| 4 | — | Not used |
| 5 | 30A* | Trailer brake controller (TBC) |
| 6 | 40A* | Anti-lock brake system (ABS) module (Pump) |
| 7 | 30A* | Upfitter auxiliary switch #1 |
| 8 | 30A* | Upfitter auxiliary switch #2 |
| 9 | 40A* | ABS module (Coil) |
| 10 | 20A* | Instrument panel power point/cigar lighter |
| 11 | 20A* | Instrument panel power point |
| 12 | 15A** | Brake on/off (BOO) relay feed |
| 13 | 5A** | Brake switch, Brake switch relay coil, SJB module, 4×4 module |
| 14 | — | Not used |
| 15 | — | Not used |
| 16 | Relay | A/C clutch |
| 17 | Relay | Wipers |
| 18 | Relay | Fuel pump driver module (FPDM), Fuel injectors (Gasoline engines), Diesel fuel control module (DFCM) (Diesel engine) |
| 19 | Relay | Back-up lamps, Reverse sensing system (RSS), Engine compartment fuse 63 |
| 20 | Relay | Trailer stop/turn (Left) |
| 21 | Relay | Trailer stop/turn (Right) |
| 22 | Relay | Stop lamps, Center high-mounted stop lamp (CHMSL), TBC, Customer access |
| 23 | 15A** | Heater mirror, Heated spotted mirror |
| 24 | 40A* | Blower motor relay |
| 25 | — | Not used |
| 26 | 30A* | ESOF relay lo-hi |
| 27 | 50A* | Glow plug control module (GPCM) #1 (Diesel engine only) |
| 28 | 20A* | Heated mirror relay |
| 29 | 30A* | Passenger power seat |
| 30 | 10 A** | A/C clutch relay |
| 31 | 15A** | Power fold mirror relay |
| 32 | 20A** | Fuel pump relay |
| 33 | 20A** | Back-up lamp relay |
| 34 | 25A** | Trailer stop/turn relay |
| 35 | 5A** | ESOF relay coils |
| 36 | 10 A** | Gasoline engines: Powertrain control module (PCM) keep alive power, Canister vent Diesel engine: Engine control module (ECM) keep alive power |
| 37 | 10 A** | Transmission control module (TCM) (Diesel engine only) |
| 38 | — | Not used |
| 39 | 50A* | ECM power (Diesel engine) |
| 40 | 30A* | Starter relay |
| 41 | 20A* | Power point (Center console – front) |
| 42 | 30A* | Trailer park lamp relay |
| 43 | 20A* | Power point (Center console – rear) |
| 44 | 30A* | Trailer battery charge relay |
| 45 | 30A* | Driver power seat or memory module, Air ride seats |
| 46 | 40 A* | Run/Start relay |
| 47 | 50A* | GPCM #2 (Diesel engine only) |
| 48 | 30A* | ESOF relay hi-lo |
| 49 | 30A* | Wiper motor |
| 50 | 30A* | PCM relay coil, PCM relay (Gasoline engines only) |
| 51 | — | Not used |
| 52 | — | Not used |
| 53 | Relay | PCM power bus (Fuses 68, 70, 72, 74, 76) (Diesel engine only) |
| 54 | Relay | Starter solenoid |
| 55 | Relay | Trailer tow park lamps |
| 56 | Relay | Trailer tow battery charge |
| 57 | Relay | Power Distribution Box (PDB) bus (fuses 67, 69, 71, 73, 75, 77) ‘ SJB Run /Start bus (Fuses 29-37, 46) |
| 58 | Relay | ESOF hi-lo |
| 59 | Relay | PCM power bus (Fuses 68, 70, 72, 74, 76) (Gasoline engines only) |
| 60 | Diode | One-touch start (OTIS) |
| 61 | Diode | A/C clutch |
| 62 | Diode | Fuel pump |
| 63 | 15A** | Trailer tow back-up lamps |
| 64 | 5A** | Mirror marker lamps |
| 65 | — | Not used |
| 66 | — | Not used |
| 67 | — | Not used |
| 68 | — | Not used |
| 69 | — | Not used |
| 70 | 10 A** | 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 swatch |
| 71 | 5A** | Fuel pump relay diode, PCM/ECM Run/Start power |
| 72 | 15A** | Gasoline engines: Ignition coils Diesel engine: Engine TCM |
| 73 | 2A** | Reverse Camera System (RCS) |
| 74 | 20A** | Gasoline engines: Vehicle power (VPWR): Heated exhaust gas oxygen sensor, CMS, Mass air flow sensor, Electronic vapor management valve, CMCV, Variable cam timing, IMTV Diesel engine: VPWR: Engine loads |
| 75 | 5A** | Back-up relay coil power |
| 76 | 20A** | Gasoline engines: VPWR: PCM Diesel engine: VPWR: ECM |
| 77 | 10 A** | ABS module logic |
| * Cartridge fuses ** Mini fuses |
The cigar lighter (power outlet) fuses in the Ford F-250 / F-350 / F-450 / F-550 are designated as follows:
- Fuse №10: Cigar lighter
- Fuse №11: Instrument panel power point
- Fuse №41: Power point (Center console – Front)
- Fuse №43: Power point (Center console – Rear)
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