2010 Mercury Mariner fuses

The fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 30A Not used (spare)
2 15A Brake on/off switch
3 15A SYNC
module
4 30A Moon roof
5 10A Keypad illumination, Brake shift
interlock (BSI), Passenger
compartment fuse panel
6 20A Turn signals, Stop lamps
7 10A Low beam headlamps (left)
8 10A Low beam headlamps (right)
9 15A Interior lights
10 15A Backlighting
11 10A Four wheel drive
12 7.5A Power mirror switch
13 5A Not used (spare)
14 10A FCIM (radio buttons), Front
display module, GPS module
Roadside Emergencies
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2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
41 15A Driver/passenger door lock
switches, Automatic dimming
mirror, Compass, Ambient
lighting, Moon roof, Camera
display in mirror
42 10A Not used (spare)
43 10A Rear wiper logic, Heated seats
relay, Instrument cluster
44 10A Not used (spare)
45 5A Front wiper logic, Blower motor
relay
46 7.5A Occupant classification system
(OCS), Passenger airbag
deactivation indicator (PADI)
47 30A Circuit
BreakerPower windows
48 — Delayed accessory relay
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.
Roadside Emergencies
250
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

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
Batterysection of theMaintenance and Specificationschapter.
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
A 80A Midi Electronic power steering module
(EPAS)
B 125A Midi Passenger compartment fuse
panel
1 15A* Heated mirror
2 30A** Rear defroster
3 20A** Rear power point (center console)
4 — Not used
5 10A* Powertrain control module (PCM)
– keep alive power, PCM relay,
Canister vent
6 15A* Alternator
7 15A* Liftgate latch
Roadside Emergencies
251
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

service points ..................288–289
starting after a collision .........246
Engine block heater .................211
Engine oil ..................................292
checking and adding ..............292
dipstick ....................................292
filter, specifications ........295, 322
recommendations ...................295
refill capacities ........................323
specifications ..........................323
Event data recording ....................7
Exhaust fumes ..........................211
F
Fail safe cooling ........................302
Fleet MyKey programming ........92
Flexible Fuel Vehicle (FFV) ....304
Fluid capacities .........................323
Fog lamps ....................................53
Four-Wheel Drive vehicles
driving off road .......................237
preparing to drive your
vehicle .....................................222
Fuel ............................................304
calculating fuel
economy ............................20, 311
cap ...........................................307
capacity ...................................323
choosing the right fuel ...........308
comparisons with EPA fuel
economy estimates .................314
detergent in fuel .....................309
filler funnel .............................310
filling your vehicle with
fuel ...........................304, 307, 311
filter, specifications ........303, 322
fuel pump shut-off switch .....246
improving fuel economy ........311octane rating ...................308, 326
quality ......................................309
running out of fuel .........264, 310
safety information relating to
automotive fuels .....................304
Fuel - flex fuel vehicle
(FFV) .................................304, 308
Fuses ..................................246–247
G
Garage door opener ....................80
Gas cap (see Fuel cap) ............307
Gas mileage (see Fuel
economy) ...................................311
Gauges .........................................16
H
Hazard flashers .........................245
Headlamps ...................................52
aiming ........................................55
bulb specifications ....................59
daytime running lights .............54
flash to pass ..............................54
high beam .................................53
replacing bulbs .........................60
turning on and off ....................52
Heating
heating and air conditioning
system .......................................48
manual heating and air
conditioning system .................45
Hood ..........................................288
I
Ignition ...............................207, 326
Illuminated visor mirror .............66
Index
336
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Park Assist ................................230
Parking brake ............................214
Parts (see Motorcraft

parts) .........................................322
Passenger Occupant
Classification Sensor .................125
Power distribution box (see
Fuses) ........................................250
Power door locks ........................97
Power mirrors .............................73
Power point .................................70
Power steering ..........................221
fluid, refill capacity ................323
fluid, specifications .................323
Power Windows ...........................71
Preparing to drive your
vehicle ........................................222
R
Radio ............................................27
Rear-view camera system .........228
Recommendations for
attaching safety restraints for
children ......................................155
Relays ........................................246
Remote entry system .......101–102
illuminated entry ............104–105
locking/unlocking
doors ................................102–103
opening the trunk ...................103
panic alarm .............................103
replacement/additional
transmitters .............................104
replacing the batteries ...........103
Reverse sensing system ...........226
Roadside assistance ..................244Roof rack ...............................88–89
S
Safety belts (see Safety
restraints) ..................123, 127–131
Safety Canopy ...........146–147, 149
Safety defects, reporting ..277–278
Safety restraints ........123, 127–131
Belt-Minder
...........................132
extension assembly ................132
for adults .........................128–130
for children .............................152
Occupant Classification
Sensor ......................................125
warning light and chime ........132
Safety restraints - LATCH
anchors ......................................161
Safety seats for children ..........157
Safety Compliance
Certification Label ....................327
Satellite Radio Information ........41
Seats ..........................................111
child safety seats ....................157
heated ......................................116
SecuriCode keyless entry
system ........................................105
SecuriLock passive anti-theft
system ........................................107
Servicing your vehicle ..............287
Setting the clock .........................27
Snowplowing .................................6
SOS Post Crash Alert ...............152
Spark plugs,
specifications .....................322, 326
Special notice
ambulance conversions ..............7
Index
338
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)