Power Distribution Box; Coded High-Current Fuses Table - Ford 2011 F-250 Owner's Manual

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.
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 Fuse Amp
Location
1
2
3
4
5
6
7
8
2011 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)
Roadside Emergencies
Protected Circuits
Rating
Relay Blower motor
— Not used
Relay Urea heaters
— Not used
Relay Rear window defroster
— Not used
40A* Rear window defroster
30A* Passenger seat
319