Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment
Fuse Panel Description
6 10A Brake Shift Interlock, Speed Control,
DRL Module
7 10A Multi-Function Switch, Turn Signals
8 30A Radio Capacitor(s), Ignition Coil, PCM
Diode, PCM Power Relay, Fuel Heater
(Diesel Only), Glow Plug Relay (Diesel
Only)
9 30A Wiper Control Module, Windshield Wiper
Motor
10 20A Main Light Switch, Park Lamps, License
Lamp,(External Lamps) Multi-Function
Switch (Flash-to-pass)
11 15A Brake Pressure Switch, Multi-Function
Switch (Hazards), Brake Lamp Switch,
Brake Lamps
12 15A Transmission Range (TR) Sensor,
Backup Lamps, Auxiliary Battery Relay
13 15A Blend Door Actuator, A/C Heater,
Function Selector Switch
14 5A Instrument Cluster (Air Bag and Charge
Indicator)
15 5A Trailer Battery Charge Relay
16 30A Power Seats
17 Ð Not Used
18 Ð Not Used
19 10A Air Bag Diagnostic Monitor
20 5A Overdrive Cancel Switch
21 30A Power Windows*
22 15A Memory Power Radio, E Traveler Radio
23 20A Cigar Lighter, Data Link Connector
(DLC)
24 Ð Not Used
25 10A Left Headlamp (Low Beam)
26 20A Rear Power Point
Roadside emergencies
127
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment
Fuse Panel Description
27 5A Radio
28 20A Power Plug
29 Ð Not Used
30 15A Headlamps (High Beam Indicator),
DRL10A
31 10A Right Headlamp (Low Beam), DRL
32 5A Power Mirrors
33 20A E Traveler Power Point #2
34 10A Transmission Range (TR) Sensor
35 30A RKE Module
36 5A (Cluster, A/C, Illumination, Radio),
Steering Column Assembly
37 20A Power Plug
38 10A Air Bag Diagnostic Monitor
39 20A E Traveler Power Point #1
40 30A Modified Vehicle
41 30A Modified Vehicle
42 Ð Not Used
43 20A C.B. Power Windows*
44 Ð Not Used
* Either Fuse 21 or Circuit breaker 43 will be present for power
windows.
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.
Roadside emergencies
128
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 carechapter.
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
1 Ð Not Used
2 Ð Not Used
3 Ð Not Used
4 10A* PCM Keep Alive Memory, Instrument
Cluster, Voltmeter
5 10A* Right Trailer Turn Signal
6 10A* Left Trailer Turn Signal
7 Ð Not Used
8 60A** I/P Fuses 5, 11, 23, 38, 4, 10, 16, 22, 28,
32
AB3
2
146 5715 14 13 12 11 10 9 823 22 21 20 19 18 17 1624 26 25 27
29
CDG F EK J H
28
Roadside emergencies
129
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
9 30A** PCM Power Relay, Engine Compartment
Fuse 4
10 60A** Auxiliary Battery Relay, Engine
Compartment Fuses 14, 22
11 30A** IDM Relay (Diesel Only)
12 60A** Engine Compartment Fuses 25, 27
13 50A** Blower Motor Relay (Blower Motor)
14 30A** Trailer Running Lamps Relay, Trailer
Backup Lamps Relay
15 40A** Main Light Switch, Daytime Running
Lights (DRL)
16 50A** Auxiliary Blower Motor Relay
17 30A** Fuel Pump Relay
18 60A** I/P Fuses 40, 41,26, 33, 39
19 60A** 4WABS Module
20 20A** Electric Brake Controller
21 50A** Modified Vehicle Power
22 40A** Trailer Battery Charge Relay, Modified
Vehicles
23 60A** Ignition Switch, Fuse Panel
24 Ð Not Used
25 20A* NGV Module (Natural Gas Only)
26 10A* A/C Clutch (4.2L Only)
27 15A* DRL Module, Horn Relay
28 Ð PCM Diode
29 Ð Not Used
A Ð Not Used
B Ð Stop Lamp Relay
C Ð Trailer Backup Lamps Relay
D Ð Trailer Running Lamps Relay
E Ð Trailer Battery Charge Relay
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130
SERVICE RECOMMENDATIONS
To help you service your vehicle:
²We highlight do-it-yourself items in the engine compartment for easy
location.
²We provide a scheduled maintenance guide which makes tracking
routine service easy.
If your vehicle requires professional service, your dealership can provide
the necessary parts and service. Check your ªWarranty Guideº to find out
which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Motorcraft parts are designed and built to
provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
Be especially careful when inspecting or servicing your vehicle.
²Do not work on a hot engine.
²When the engine is running, make sure that loose clothing, jewelry or
long hair does not get caught up in moving parts.
²Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
²Keep all lit cigarettes, open flames and other lit material away from
the battery and all fuel related parts.
If you disconnect the battery, the engine must ªrelearnº its idle
conditions before your vehicle will drive properly, as explained inBattery
in this chapter.
Working with the engine off
1. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
2. Turn off the engine and remove the key.
3. Block the wheels to prevent the vehicle from moving unexpectedly.
Working with the engine on
1. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
2. Block the wheels to prevent the vehicle from moving unexpectedly.
Maintenance and care
144
IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
Engine compartment component locations
Refer to the7.3 Liter Power Stroke Direct Injection Turbo Diesel
Owner's Guide Supplementfor diesel engine component locations.
1. Windshield washer fluid reservoir
2. Engine oil filler cap (except 4.2L V6 engine)
3. Automatic transmission fluid dipstick
4. Air filter assembly
5. Engine oil dipstick
6. Engine oil filler cap (4.2L V6 engine only)
7. Power steering fluid reservoir
8. Brake fluid reservoir
9. Engine coolant reservoir
10. Battery
ENGINE OIL
Checking the engine oil
Refer to the scheduled maintenance guide for the appropriate intervals
for checking the engine oil.
12345678
910
Maintenance and care
146
recommendations ...................148
refill capacities ........................193
specifications ..................196, 199
Exhaust fumes ..........................101
F
Fail safe cooling ........................156
Fluid capacities .........................193
Four-Wheel Drive vehicles
preparing to drive your
vehicle .....................................105
Fuel ............................................172
calculating fuel economy .......177
cap ...........................................176
capacity ...................................193
choosing the right fuel ...........174
comparisons with EPA fuel
economy estimates .................180
detergent in fuel .....................175
filling your vehicle
with fuel ..................172, 176±177
filter, specifications ........176, 192
fuel pump shut-off switch .....122
gauge .........................................15
improving fuel economy ........177
octane rating ...................174, 199
quality ......................................175
running out of fuel .................175
safety information relating to
automotive fuels .....................172
Fuses ..................................124±125
G
Garage door opener ....................56
Gas cap (see Fuel cap) ............176
Gas mileage
(see Fuel economy) .................177Gauges .........................................14
battery voltage gauge ...............16
engine coolant
temperature gauge ...................15
engine oil pressure gauge ........16
fuel gauge ..................................15
odometer ...................................16
speedometer .............................14
trip odometer ............................17
GAWR
(Gross Axle Weight Rating) .....109
calculating ...............................111
definition .................................109
driving with a heavy load ......109
location ....................................109
GVWR (Gross
Vehicle Weight Rating) .............109
calculating .......................109, 111
definition .................................109
driving with a heavy load ......109
location ....................................109
H
Hazard flashers .........................122
Headlamps ...................................18
aiming ......................................187
bulb specifications ..................186
daytime running lights .............18
flash to pass ..............................19
high beam ...........................13, 18
replacing bulbs ...............182±183
turning on and off ....................18
warning chime ..........................14
Heating ........................................19
auxiliary heater and air
conditioner ................................25
heater only system ...................19
heating and air conditioning
system .......................................21
Index
218