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.
Always disconnect the battery before servicing high current
fuses.
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
Power Distribution Box Description
1
—
Not used
2
25A*
Headlamp power
3
25A*
High beams, Turn signals, Interior
lamps, Headlamp power
2005 Mercury Mariner
(mrn)
Owners Guide (post-2002-fmt)
USA_English
(fus)
Roadside Emergencies
206
