2009 Mercury Mountaineer fuses

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
Batterysection of theMaintenance and Specificationschapter.
2009 Mountaineer(mnt)
Owners Guide, 2nd Printing
USA(fus)
Roadside Emergencies
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The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 50A** BATT 2 (SJB)
2 50A** BATT 3 (SJB)
3 50A** BATT 1 (SJB)
4 30A** Fuel pump, Injectors
5 30A** Third row seat (left)
6 40A** ABS pump
7 40A** Powertrain Control Module
(PCM)
8 — Not used
9 — Not used
10 30A** Power seat (right)
11 30A** Starter
12 30A** Third row seat (right)
13 30A** Trailer tow battery charger
2009 Mountaineer(mnt)
Owners Guide, 2nd Printing
USA(fus)
Roadside Emergencies
300

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
40 15A* Fan clutch, PCV valve, AC clutch
relay, GCC fan
41 15A* SDARS, DVD, SYNC
42 15A* Redundant brake switch, EVMV,
MAFS, HEGO, EVR, VCT1 (4.6L
engine only), VCT2 (4.6L engine
only), CMCV (4.6L engine only),
CMS
43 15A* Coil on plug (4.6L engine only),
Coil tower (4.0L engine only)
44 15A* Injectors
45B — GCC fan relay
45A — Not used
46B — Not used
46A — Not used
49 — Fuel pump relay
50B — A/C clutch relay
50A — Fog lamps relay
51 — Not used
52 — Not used
53 — One Touch Integrated Start
(OTIS) (diode)
54 — Trailer battery charger relay
55B — Front wiper relay
55A — PCM relay
56B — Starter relay
56A — Blower relay
* Mini Fuses ** Cartridge Fuses
2009 Mountaineer(mnt)
Owners Guide, 2nd Printing
USA(fus)
Roadside Emergencies
302

refill capacities ........................372
service points ..................338–339
starting after a collision .........294
Engine block heater .................264
Engine oil ..................................342
checking and adding ..............342
dipstick ....................................342
filter, specifications ........345, 371
recommendations ...................345
refill capacities ........................372
specifications ..........................372
Event data recording ....................7
Exhaust fumes ..........................264
F
Fail safe cooling ........................354
Family entertainment system ....46
Floor mats .................................135
Fluid capacities .........................372
Fog lamps ....................................86
Four-Wheel Drive vehicles
driving off road .......................285
preparing to drive your
vehicle .....................................275
Fuel ............................................355
calculating fuel
economy ..........................122, 361
cap ...........................................357
capacity ...................................372
choosing the right fuel ...........359
comparisons with EPA fuel
economy estimates .................364
detergent in fuel .....................360
filler funnel .............................360
filling your vehicle
with fuel ..................355, 357, 361
filter, specifications ........355, 371
fuel pump shut-off switch .....294improving fuel economy ........361
octane rating ...................359, 377
quality ......................................359
running out of fuel .........313, 360
safety information relating to
automotive fuels .....................355
Fuses ..................................295–296
G
Garage door opener ..................100
Gas cap (see Fuel cap) ............357
Gas mileage
(see Fuel economy) .................361
Gauges .........................................17
GAWR (Gross Axle Weight
Rating)
calculating ...............................253
GVWR (Gross Vehicle Weight
Rating)
calculating ...............................253
H
Hazard flashers .........................293
Headlamps ...................................85
aiming ........................................87
bulb specifications ....................90
daytime running lights .............86
flash to pass ..............................87
high beam .................................86
turning on and off ....................85
Heating
heating and air conditioning
system .................................78, 80
Homelink wireless control
system ........................................114
Hood ..........................................337
How to get going ........................19
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Owners Guide, 2nd Printing
USA(fus)
Index
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O
Octane rating ............................359
Oil (see Engine oil) ..................342
P
Parking brake ............................267
Parts (see Motorcraft parts) ....371
Passenger Occupant
Classification Sensor .................176
Pedals (see Power adjustable
foot pedals) ...............................106
Power adjustable foot pedals ...106
Power deployable running
boards ........................................107
Power distribution box
(see Fuses) ...............................299
Power door locks ......................140
Power mirrors ...........................105
Power point ...............................101
Power steering ..........................274
fluid, checking and adding ....367
fluid, refill capacity ................372
fluid, specifications .................372
Power Windows .........................102
Preparing to drive your
vehicle ........................................275
R
Radio ................................19, 23, 30
Rear seat entertainment
system ..........................................46
Rear window defroster ...............84Recommendations for
attaching safety restraints for
children ......................................207
Relays ........................................295
Remote entry system .......145–146
illuminated entry ....................150
locking/unlocking
doors ................................146–147
panic alarm .............................147
replacing the batteries ...........148
Reverse sensing system ...........282
Roadside assistance ..................292
Roof rack ...................................138
S
Safety belts (see Safety
restraints) ..........174, 178–181, 183
Safety Canopy ...........199, 201–202
Safety defects, reporting ..........327
Safety restraints ........174, 178–183
Belt-Minder
...........................185
extension assembly ................184
for adults .........................179–181
for children .............................205
Occupant Classification
Sensor ......................................176
warning light and
chime ...............................184–185
Safety restraints - LATCH
anchors ......................................213
Safety seats for children ..........209
Safety Compliance
Certification Label ....................378
Satellite Radio Information ........43
Seats ..........................................156
child safety seats ....................209
2009 Mountaineer(mnt)
Owners Guide, 2nd Printing
USA(fus)
Index
386