2004 Mercury Mountaineer trailer

The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1 60A** PJB #1
2 30A** BSM
3 — Not used
4 30A** Rear defrost
5 40A** Anti-lock Brake System (ABS)
pump
6 60A** Delayed accessory, Power
windows, Audio
7 20A** Power point #2
8 — Not used
9 20A** Power point #1
10 30A** ABS module (valves)
11 40A** Powertrain Control Module (PCM)
12 50A** Ignition relay, Starter relay
13 40A** Trailer tow battery charge, Trailer
tow turn signals
14 — Not used
15 15A* Memory (PCM/DEATC/Cluster),
Courtesy lamps
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Roadside Emergencies
182

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
16 15A* Park lamps, Autolamp parklamps,
Front foglamps relay coil
17 — Not used
18 20A* PCM with two-speed 4x4 clutch
19 20A** High beam relay
20 30A** Trailer electric brake module
21 30A** Front wiper motor
22 20A** Low beam, Autolamp
23 30A** Ignition switch, PCM diode
24 — Not used
25 15A* Brake on-off
26 20A* Fuel pump
27 20A* Trailer tow park lamps, Trailer
tow back-up
28 20A* Horn relay
29 60A** PJB #2
30 20A** Rear wiper motor
31 — Not used
32 — Not used
33 30A** Auxiliary blower motor
34 30A** Passenger power seat, Adjustable
pedals (non-memory)
35 — Not used
36 40A** Blower motor
37 15A* A/C clutch relay, Transmission
38 15A* HEGO, VMV, CMS, ESM, CVS
39 15A* Injectors, Fuel pump relay coil
40 15A* PCM power
41 15A* Coil on plug (4.6L engine only),
Ignition coil (4.0L engine only)
42 10A* Right low beam
43 10A* Left low beam
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Roadside Emergencies
183

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
44 15A* Front foglamps
45 2A* Brake pressure switch
(non-AdvanceTrac vehicles)
46 20A* High beams
47 — Horn relay
48 — Fuel pump relay
49 — High beam relay
50 — Front fog lamps relay
51 — Not used
52 — A/C clutch relay
53 — Trailer tow right turn relay
54 — Trailer tow left turn relay
55 — Blower motor relay
56 — Starter relay
57 — PCM relay
58 — Ignition relay
59 — Not used
60 — PCM diode
61 — A/C clutch diode
62 30A CB Power windows circuit breaker
* Mini Fuses ** Cartridge Fuses
Rear relay box
The relay box is located on the rear passenger side quarter trim panel.
See your dealer or a certified technician for service of this relay box.
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Roadside Emergencies
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The relays are coded as follows:
Fuse/Relay Location Description
Relay 14 Not used
Relay 15 Trailer tow back-up lamps
Relay 16 Not used
Relay 17 Not used
Relay 18 Not used
Relay 19 Trailer tow park lamps
Relay 20 Trailer tow battery charge
Relay 21 Not used
Relay 22 Not used
Relay 23 Not used
Diode 3 Not used
Diode 4 Not used
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Roadside Emergencies
185

The usage of a dissimilar spare tire/wheel can lead to impairment of the
following:
•Handling, stability and braking performance
•Comfort and noise
•Ground clearance and parking at curbs
•Winter weather driving capability
•Wet weather driving capability
•All-Wheel Driving Capability (if applicable)
•Load Leveling Adjustment (if applicable)
When driving with the dissimilar spare tire/wheel additional caution
should be given to:
•Towing a trailer
•Driving vehicles equipped with a camper body
•Driving vehicles with a load on the cargo rack
Drive cautiously when using a dissimilar spare tire/wheel and seek
service as soon as possible.
Note:If your vehicle is equipped with the tire pressure monitoring
system (TPMS), the system indicator light will illuminate when the spare
is in use. To restore the full functionality of the monitoring system, all
road wheels equipped with tire pressure monitoring sensors must be
mounted on the vehicle.
If your vehicle is equipped with TPMS, have a flat serviced by a dealer or
a qualified technician in order to prevent damage to the TPMS sensor.
Replace the spare tire with a road tire as soon as possible.
If your vehicle is equipped with AWD, a spare tire of a different
size than the road tires should not be used. Such a tire could
make the vehicle difficult to control as well as result in damage to
driveline components.
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•You may want to turn off the speed control in hilly terrain if
unnecessary shifting between third and fourth gear occurs.
Unnecessary shifting of this type could result in reduced fuel
economy.
•Warming up a vehicle on cold mornings is not required and may
reduce fuel economy.
•Resting your foot on the brake pedal while driving may reduce fuel
economy.
•Combine errands and minimize stop-and-go driving.
Maintenance
•Keep tires properly inflated and use only recommended size.
•Operating a vehicle with the wheels out of alignment will reduce fuel
economy.
•Use recommended engine oil. Refer toLubricant specificationsin
this chapter.
•Perform all regularly scheduled maintenance items. Follow the
recommended maintenance schedule and owner maintenance checks
found in your vehicle scheduled maintenance guide.
Conditions
•Heavily loading a vehicle or towing a trailer may reduce fuel economy
at any speed.
•Carrying unnecessary weight may reduce fuel economy (approximately
0.4 km/L [1 mpg] is lost for every 180 kg [400 lb] of weight carried).
•Adding certain accessories to your vehicle (for example bug
deflectors, rollbars/light bars, running boards, ski/luggage racks) may
reduce fuel economy.
•Fuel economy may decrease with lower temperatures during the first
12–16 km (8–10 miles) of driving.
•Driving on flat terrain offers improved fuel economy as compared to
driving on hilly terrain.
•Transmissions give their best fuel economy when operated in the top
cruise gear and with steady pressure on the gas pedal.
•Four-wheel-drive operation (if equipped) is less fuel efficient than
two-wheel-drive operation.
•Close windows for high speed driving.
Flex fuel (E-85) cruising range
Because E-85 fuel contains less energy per gallon than gasoline, you will
experience an increase in fuel consumption. You can expect your Miles
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Maintenance and Specifications
240

Interior style
Electrochromatic compass/temperature interior mirrors
Floor mats
Scuff plates
Lifestyle
Bike racks
Cargo organization and management
Engine block heaters
Trailer hitches, wiring harnesses and accessories
Peace of mind
Airbag anti-theft locks
First aid and safety kits
Full vehicle covers
Locking gas cap
Navigation systems
Remote start
Vehicle security systems
For maximum vehicle performance, keep the following information in
mind when adding accessories or equipment to your vehicle:
•When adding accessories, equipment, passengers and luggage to your
vehicle, do not exceed the total weight capacity of the vehicle or of
the front or rear axle (GVWR or GAWR as indicated on the Safety
Compliance Certification label). Consult your dealer for specific weight
information.
•The Federal Communications Commission (FCC) and Canadian Radio
Telecommunications Commission (CRTC) regulate the use of mobile
communications systems — such as two-way radios, telephones and
theft alarms - that are equipped with radio transmitters. Any such
equipment installed in your vehicle should comply with FCC or CRTC
regulations and should be installed only by a qualified service
technician.
•
Mobile communications systems may harm the operation of your vehicle,
particularly if they are not properly designed for automotive use.
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Accessories
273

Tire Pressure Monitoring
System (TPMS)
Driving .....................................156
Maintenance and
Specifications ..........................259
Roadside Emergencies ...........186
Warning Displays ................15, 69
Tires ...........................186, 246–248
alignment ................................255
care ..........................................253
changing ..................186, 191, 194
checking the pressure ............253
label .........................................253
replacing ..........................191, 258
rotating ....................................255
safety practices .......................258
sidewall information ...............248
snow tires and chains ............261
spare tire .................186, 188, 190
terminology .............................248
tire grades ...............................247
treadwear ........................247, 257
Towing .......................................167
recreational towing .................172
trailer towing ..........................167
wrecker ....................................200
Transfer case
fluid checking .........................245
Transmission .............................145
brake-shift interlock (BSI) ....145fluid, checking and adding
(automatic) .............................245
fluid, refill capacities ..............263
lubricant specifications ..265, 267
Trunk ...........................................82
Turn signal ..................................36
V
Vehicle dimensions ...................267
Vehicle Identification Number
(VIN) ..........................................269
Vehicle loading ..........................161
Ventilating your vehicle ...........138
W
Warning lights (see Lights) .......10
Washer fluid ..............................219
Water, Driving through .............161
Windows
power .........................................48
rear wiper/washer .....................44
Windshield washer fluid and
wipers ..........................................43
checking and adding fluid .....219
liftgate reservoir .....................219
replacing wiper blades .............44
Wrecker towing .........................200
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2004 Explorer(exp), Owners Guide (post-2002-fmt)(own2002),
Market:USA English(fus)
Index
279