1. Remove the jumper cable from
the ground metal surface.
2. Remove the jumper cable on the
negative (-) terminal of the
booster vehicle’s battery.
3. Remove the jumper cable from
the positive (+) terminal of the
booster vehicle’s battery.
4. Remove the jumper cable from
the positive (+) terminal of the
disabled vehicle’s battery.
After the disabled vehicle has been started and the jumper cables
removed, allow it to idle for several minutes so the engine computer can
relearn its idle conditions.
4
1
3
2
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FUSE SPECIFICATION CHART
Power Distribution Box
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.
The power distribution box has high-current fuses that protect your
vehicle’s main electrical systems from overloads.
If the battery has been disconnected and reconnected, seeChanging the
vehicle batteryin theMaintenancechapter.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 20A Upfitter switches (AUX 2 and AUX 4)/Trailer
12V socket pin
2 30A Power seat (driver)
3 30A Power seat (passenger)
503
502
304204
602118 114 110 106 102
117 113 109 105
116 112 108 104
115 111 107 103101
601 209
208206
205
207
203
202
201 303 501
401
302 301
18161412108642
1715131197531
24
23
22 20
21 19
188Fuses
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
4 30A* Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
5 — Not used
R1 — Trailer tow ABS relay (non electric trailer
brake vehicles only)
R2 — Trailer tow marker lamp relay
R3 — Trailer tow stop lamp relay
R4 — Trailer tow tail lamp relay
R5 — Not used
R6 — Not used
R7 — Trailer tow left turn lamp relay
R8 — Trailer tow right turn lamp relay
*Maxi fuse
Inline Fuses
Your vehicle may have several inline fuses located in, or on, the battery
cables located in the battery box (depending on application).
•All vehicles equipped with an Allison transmission have a 10 amp fuse
located in the clean power cables located in the battery box.
•All vehicles have a 30 amp fuse located in the clean power cables
located in the battery box.
•All vehicles equipped with hydraulic brakes have a 40 amp fuse
located in the clean power cables located in the battery box. In
addition, another 30 amp fuse is located in a fuse holder just above
the power distribution center located in the vehicle’s engine
compartment.
196Fuses
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Quality service parts are available through an authorized dealer. If dealer
parts are not used, make sure the replacement parts are of equivalent
quality.
WARNING:The use of inferior parts can adversely affect the
quality and reliability of your vehicle which, in turn, can result in
property damage, personal injury or death.
To avoid damage to your vehicle’s electrical components before electric
welding:
•Disconnect both battery cables.
•Attach the welder ground cable as close as possible to the part being
welded.
•We recommend temporarily removing the component if welding close
to an electrical component.
Follow the checks and services in theScheduled Maintenancechapter.
Have an authorized dealer or service center inspect your vehicle at least
once a year. Remember that regular maintenance and inspections usually
prevent serious problems from developing later.
If the owner or operator of the vehicle is a skilled technician and intends
on performing the vehicle maintenance and service, he is strongly urged
to purchase a service manual.
Electrical System
Periodically inspect electrical connectors on the outside of the cab and
on the engine and frame for corrosion and tightness. Exposed terminals,
such as the fuel sender, cranking motor, alternator and feed-through
studs, should be cleaned and re-coated with a lubricant sealing grease
such as Motorcraft Silicone Brake Caliper Grease and Dielectric
Compound XG-3, or equivalent. This should include the ground cable
connector for batteries, engine and cab as well as the jump-starting stud.
Accessory Feed Connections
Vehicle electrical systems are complex and often include powertrain
components, such as engine and transmission controls, instrument panels
and ABS. While most systems operate on battery voltage (12 volts),
some systems can be as high as 90 volts or as low as five volts. See the
Electrical Circuit Diagram Manuals,available from your vehicle’s
manufacturer, to make sure that any extra body lights and accessory
connections to circuits are both appropriate and not overloaded. Do not
make modifications to any vehicle control system without first contacting
an authorized dealer.
198Maintenance
2015 F-650/750(f67)
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Canadian_French(fr_can)
FUEL FILTER
Gasoline Engine
Your vehicle is equipped with a lifetime fuel filter that is part of the fuel
tank. You do need to perform regular maintenance or replace it.
Diesel Engine
WARNING:Do not drain water separator while engine is
running. Fuel may ignite if separator is drained while engine is
running or vehicle is moving.
The fuel filter water separator removes any contaminated particles and
water from the fuel before the fuel enters the engine.
See your engine operator’s manual for information on draining and
replacing the fuel filter.
WASHER FLUID CHECK
WARNING:If you operate your vehicle in temperatures below
40°F (5°C), use washer fluid with antifreeze protection. Failure
to use washer fluid with antifreeze protection in cold weather could
result in impaired windshield vision and increase the risk of injury or
accident.
Add fluid to fill the reservoir if the level is low. Only use a washer fluid
that meets Ford specifications. SeeTechnical specificationsin the
Capacities and Specificationschapter.
State or local regulations on volatile organic compounds may restrict the
use of methanol, a common windshield washer antifreeze additive. Only
use washer fluids containing non-methanol antifreeze agents if they
provide cold weather protection without damaging your vehicle’s paint
finish, wiper blades or washer system.
CHANGING THE VEHICLE BATTERY
WARNING:This vehicle may be equipped with more than one
battery, removal of cable from only one battery does not
disconnect the vehicle electrical system. Be sure to disconnect cables
from all batteries when disconnecting power. Failure to do so may
cause serious personal injury or property damage.
224Maintenance
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WARNING:Batteries normally produce explosive gases which
can cause personal injury. Therefore, do not allow flames, sparks
or lighted substances to come near the battery. When working near the
battery, always shield your face and protect your eyes. Always provide
proper ventilation.
WARNING:When lifting a plastic-cased battery, excessive
pressure on the end walls could cause acid to flow through the
vent caps, resulting in personal injury and/or damage to the vehicle or
battery. Lift the battery with a battery carrier or with your hands on
opposite corners.
WARNING:Keep batteries out of reach of children. Batteries
contain sulfuric acid. Avoid contact with skin, eyes or clothing.
Shield your eyes when working near the battery to protect against
possible splashing of acid solution. In case of acid contact with skin or
eyes, flush immediately with water for a minimum of 15 minutes and
get prompt medical attention. If acid is swallowed, call a physician
immediately.
WARNING:Battery posts, terminals and related accessories
contain lead and lead compounds. Wash hands after handling.
Note:If your battery has a cover or shield, make sure to reinstall it after
cleaning or replacing the battery.
Note:Electrical or electronic accessories or components added to your
vehicle by an authorized dealer or the owner may adversely affect
battery performance and durability.
Maintenance225
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Your vehicle is equipped with two or three maintenance-free batteries
mounted in a covered tray located on the left frame rail. The covered
battery tray, depending upon application, may also have one or two steps
attached.
Covered battery tray shown
(battery tray with steps
similar).Pull up on the two rubber
straps on the battery cover and
move them to the side of the
battery in order to remove the lid.
Battery tray with cover
removed.
For longer, trouble-free operation, keep the top of the battery clean and
dry. Also, make sure you tightly fasten the battery cables to the battery
terminals.
If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.
If you plan to store your vehicle for an extended period, disconnect the
negative battery cable. This minimizes the discharge of your battery
during storage.
If the engine cranks but does not start, remove the battery box cover
and check the 40 amp inline fuse located on the battery cable above the
battery.
Because a computer electronically controls your vehicle’s engine, battery
power controls some conditions. When you disconnect the battery or
install a new battery, the engine must relearn its idle and fuel trim
strategy for optimum driveability and performance. To begin this process:
1. With your vehicle at a complete stop, set the parking brake.
2. Put the gearshift in positionP(automatic transmission) or neutral
(manual transmission), turn off all accessories and start the engine.
3. Run the engine until it reaches normal operating temperature.
226Maintenance
2015 F-650/750(f67)
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Canadian_French(fr_can)
4. Allow the engine to idle for at least one minute.
5. Turn on the air conditioning and allow the engine to idle for at least
one minute.
6. Release the parking brake. With your foot on the brake pedal and
with the air conditioning on, put the transmission in positionP
(automatic transmission) or neutral (manual transmission) and allow
the engine to idle for at least one minute.Note:Not allowing the
engine to relearn the idle trim may adversely affect the idle quality of
your vehicle until the engine eventually relearns the idle trim.
7. Drive your vehicle to complete the relearning process.
If you disconnect the battery or install a new battery, you have to reset
the clock and radio settings after reconnecting the battery.
Always dispose of automotive
batteries in a responsible manner.
Follow your local authorized
standards for disposal. Call your
local authorized recycling center to
find out more about recycling
automotive batteries.
CHECKING THE WIPER BLADES
Run the tip of your fingers over the edge of the blade
to check for roughness.
Clean the wiper blades with washer fluid or water
applied with a soft sponge or cloth.
L
E
A
D
RETURN
RECYCLE
Maintenance227
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