Fuse/ Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
3 15A Main Light Switch, RKE Module,
Radio, Instrument Illumination, E
Traveler VCP and video screens,
Overhead Console
4 15A Power Locks w/RKE, Illuminated
Entry, Warning Chime, Modified
Vehicle, Main Light Switch,
Courtesy Lamps
5 20A RKE Module, Power Lock
Switches, Memory Lock, Power
Locks with RKE
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
Roadside emergencies
179
Fuse/ Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
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, E Traveler Console
23 20A Cigar Lighter, Data Link
Connector (DLC)
24 Ð Not Used
25 10A Left Headlamp (Low Beam)
26 20A Rear Power Point
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
Roadside emergencies
180
Fuse/ Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
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.
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.
Roadside emergencies
181
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
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)
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
182
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
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 20A* Natural Gas Tank Valves (NGV
only)
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
F Ð IDM Relay (Diesel Only), A/C
Clutch Relay (4.2L Only)
G Ð PCM Relay
Roadside emergencies
183
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 yourWarranty Guideto 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 specifications
214
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
12345678
910
Maintenance and specifications
216
Exhaust fumes ..........................151
F
Fail safe cooling ........................231
Fluid capacities .........................254
Four-Wheel Drive vehicles
preparing to drive your
vehicle .....................................156
Fuel ............................................233
calculating fuel economy .......238
cap ...........................................235
capacity ...................................254
choosing the right fuel ...........236
comparisons with EPA fuel
economy estimates .................241
detergent in fuel .....................237
filling your vehicle with
fuel ...........................233, 235, 238
filter, specifications ........238, 253
fuel pump shut-off switch .....175
gauge .........................................18
improving fuel economy ........238
low fuel warning light ..............14
octane rating ...........236, 260±261
quality ......................................237
running out of fuel .................237
safety information relating to
automotive fuels .....................233
Fuses ..................................177±178
G
Garage door opener ..................103
Gas cap (see Fuel cap) ............235
Gas mileage (see Fuel
economy) ...................................238
Gauges .........................................16
battery voltage gauge ...............18engine coolant temperature
gauge .........................................17
engine oil pressure gauge ........17
fuel gauge ..................................18
odometer ...................................19
speedometer .............................18
trip odometer ............................19
GAWR (Gross Axle Weight
Rating) .......................................160
calculating ...............................163
definition .................................160
driving with a heavy load ......160
location ....................................160
GVWR (Gross Vehicle Weight
Rating) .......................................160
calculating .......................160, 163
definition .................................160
driving with a heavy load ......160
location ....................................160
H
Hazard flashers .........................174
Headlamps ...................................85
aiming ........................................86
bulb specifications ....................88
daytime running lights .............85
flash to pass ..............................86
high beam ...........................15, 85
replacing bulbs ...................89±90
turning on and off ....................85
warning chime ..........................16
Heating
auxiliary heater and air
conditioner ................................83
heater only system ...................78
heating and air conditioning
system .......................................79
Hood ..........................................215
Index
269