Page 129 of 208
Fuse/Relay
LocationFuse Amp
RatingDescription
31 10A Right Headlamp (Low Beam), DRL
32 Ð Not Used
33 Ð Not Used
34 10A Transmission Range (TR) Sensor
35 Ð Not Used
36 5A (Cluster, A/C, Illumination, Radio), Steering
Column Assembly
37 Ð Not Used
38 10A Air Bag Diagnostic Monitor
39 Ð Not Used
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.
Roadside emergencies
129
Page 130 of 208
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingDescription
1 Ð Not Used
2 Ð Not Used
3 Ð Not Used
4 10A PCM Keep Alive Memory, Instrument
Cluster
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
9 30A PCM Power Relay, Engine Compartment
Fuse 4
10 60A Auxiliary Battery Relay, Engine
Compartment Fuses 14, 22
11 30A IDM Relay
12 60A Engine Compartment Fuses 26, 27
13 50A Blower Motor Relay (Blower Motor)
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
130
Page 133 of 208
3. Raise the tire by turning the
wrench or handle clockwise.
Continue until the lift mechanism
ªclicks.º
4. Check that the tire is tightly
seated under the vehicle by pushing
against the tire. Retighten as
necessary.
5. Replace the access cover,
anti-theft bracket and thumb screw. Use finger pressure only to secure
the thumb screw.
Make sure the spare tire and jacking equipment are stowed and
secured in the proper storage location.
Never run the engine with one wheel off the ground.
Tire change procedure
Preparing to change the tire
To prevent the vehicle from moving when you change a tire, be
sure the parking brake is set, then block (in both directions) the
wheel that is diagonally opposite (other side and end of the vehicle) to
the tire being changed.
1. Park on a level surface.
2. Activate the warning flashers.
3. Place the gearshift in P (Park)(automatic transmission).
Roadside emergencies
133
Page 134 of 208
Type A
Type B
4. Apply the parking brake and turn
engine OFF.
5. Block the wheel that is diagonally
opposite the tire you are changing.
On E-Super Duty vehicles, the
parking brake is on the
transmission. Therefore, the vehicle
will not be prevented from moving
when a rear wheel is lifted, even if
the parking brake is applied. Be sure to block both directions of the
wheel that is diagonally opposite to the wheel that is being lifted.
If the vehicle slips off the jack, you or someone else could be
seriously injured.
HOOD
PUSH
ON
PUSH
OFF
Roadside emergencies
134
Page 135 of 208
6. Remove the spare tire and jack
from the storage location.
7. Use the tapered end of the lug
nut wrench to unscrew wheel
ornaments attached by retaining
screws. Remove any wheel trim.
Insert the tapered end of the lug
nut wrench behind wheel covers or
hubcaps and twist off.
8. Loosen the wheel nut by pulling
up on the handle of the lug nut
wrench about one-half turn
(counterclockwise). Do not remove
the wheel lug nuts until you raise
the tire off the ground.
Replacing the tire
1. Assemble the jack handle sections together and lock into jack. Use the
jack handle to slide the jack under the vehicle.
To lessen the risk of personal injury, do not put any part of your
body under the vehicle while changing a tire. Do not start the
engine when your vehicle is on the jack. The jack is only meant for
changing the tire.
2. Position the jack to raise the front or rear wheel.
Roadside emergencies
135
Page 139 of 208

JUMP STARTING YOUR VEHICLE
The gases around the battery can explode if exposed to flames,
sparks, or lit cigarettes. An explosion could result in injury or
vehicle damage.
Do not push start your vehicle. You could damage the catalytic
converter.
Batteries contain sulfuric acid which can burn skin, eyes, and
clothing, if contacted.
Do not attempt to push start your vehicle. Automatic
transmissions do not have push-start capability.
Preparing your vehicle
1.Use only a 12±volt supply to start your vehicle.
2. Do not disconnect the battery of the disabled vehicle as this could
damage the vehicle's electrical system.
3. Park the booster vehicle close to the hood of the disabled vehicle
making sure the two vehiclesdo nottouch. Set the parking brake on
both vehicles and stay clear of the engine cooling fan and other moving
parts.
4. Check all battery terminals and remove any excessive corrosion before
you attach the battery cables. Ensure that vent caps are tight and level.
5. Turn the heater fan on in both vehicles to protect any electrical
surges. Turn all other accessories off.
Roadside emergencies
139
Page 141 of 208
3. Connect the negative (-) cable to the negative (-) terminal of the
assisting battery.
4. Make the final connection of the negative (-) cable to an exposed
metal part of the stalled vehicle's engine, away from the battery and the
carburetor.
The preferred locations of an exposed metal part (togroundthe circuit)
are the alternator mounting brackets or an engine liftingeye.Do not
use fuel lines, engine rocker covers or the intake manifold asgrounding
points.
Do not connect the end of the second cable to the negative (-)
terminal of the battery to be jumped. A spark may cause an
explosion of the gases that surround the battery.
5. Be sure that the cables are clear of fan blades, belts and other moving
parts of both engines.
+–+–
+–+–
Roadside emergencies
141
Page 142 of 208
Jump starting
1. Start the engine of the booster vehicle and run the engine at
moderately increased speed.
2. Start the engine of the disabled vehicle.
3. Once the disabled vehicle has been started, run both engines for a
further three minutes before disconnecting the jumper cables.
Removing the jumper cables
Remove the jumper cables in the reverse order that they were
connected.
1. Remove the jumper cable from thegroundmetal surface.
2. Remove the jumper cable on the negative (-) connection of the
booster vehicle's battery.
+–+–
+–+–
Roadside emergencies
142