Fuse Specification Chart; Power Distribution Box; High-Current Fuses - Ford Super Duty Owner's Manual

FUSE SPECIFICATION CHART

Power Distribution Box

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.
The power distribution box is located in the engine compartment. It has
high-current fuses that protect your vehicle's main electrical systems
from overloads.
If the battery has been disconnected and reconnected, see Changing the
Vehicle Battery in the Maintenance chapter.
The high-current fuses are coded as follows:
Fuse or relay
location
1
2
3
4
5
6
2013 F-250/350/450/550 (f23)
Owners Guide gf, 2nd Printing, December 2012
USA (fus)
Fuses
Fuse amp Protected circuits
rating
Relay Blower motor
— Not used
Relay Urea heaters (diesel engine)
— Not used
Relay Rear window defroster, Heated
mirrors
— Not used
291