2010 FORD F550 fuse box location

Fuse/Relay
Location Fuse Amp
Rating Protected Circuits
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), 4x4
module, 4x4 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 4x4 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, 4x4 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 Circuit
Breaker Power windows, Moon roof, Power
rear sliding window
48 Relay Delayed accessory
Power distribution box
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.Roadside Emergencies
310
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)

WARNING: Always disconnect the battery before servicing high
current fuses.
WARNING: To reduce risk of electrical shock, always replace
the cover to the power distribution box before reconnecting the
battery or refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the
Battery section of the Maintenance and Specifications chapter.
The high-current fuses are coded as follows:
Fuse/Relay
Location Fuse Amp
Rating Protected Circuits
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 Roadside Emergencies
311
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)

Fuse/Relay
Location Fuse Amp
Rating Protected Circuits
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 10A** 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
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)Roadside Emergencies
314
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)