2023 FORD F650/750 fuses

Jump Starting the Vehicle ........................190
Transporting the Vehicle ...........................192
Towing Points ...............................................193
Customer Assistance
Getting the Services You Need ..............194
In California (U.S. Only) ............................195
The Better Business Bureau (BBB) Auto
Line Program (U.S. Only) .....................196
Getting Assistance Outside the U.S. and
Canada ........................................................197
Ordering Additional Owner's Literature
........................................................................1 9 8
Reporting Safety Defects (U.S. Only)
........................................................................1 9 8
Reporting Safety Defects (Canada Only)
........................................................................1 9 9
Fuses
Fuse Specification Chart .........................200
Changing a Fuse .........................................208
Vehicle Inspection Guide
Vehicle Inspection Information ..............210
Maintenance
General Information ...................................219
Opening and Closing the Hood .............220
Under Hood Overview - 6.7L Diesel ......222
Under Hood Overview - 7.3L ...................223
Engine Oil Dipstick - 6.7L Diesel ............224
Engine Oil Dipstick - 7.3L ..........................224
Engine Oil Check - 6.7L Diesel ...............224
Engine Oil Check - 7.3L .............................225
Changing the Engine Oil and Oil Filter
........................................................................226
Oil Change Indicator Reset ......................227
Changing the Engine Air Filter - 6.7L
Diesel ...........................................................228
Changing the Engine Air Filter - 7.3L .....230Draining the Fuel Filter Water Trap - 6.7L
Diesel ...........................................................232
Engine Coolant Check - 6.7L Diesel ......233
Engine Coolant Check - 7.3L ...................238
Automatic Transmission Fluid Check
........................................................................242
Brake Fluid Check .......................................244
Power Steering Fluid Check ....................245
Changing the 12V Battery ........................246
Adjusting the Headlamps ........................247
Washer Fluid Check ...................................249
Fuel Filter - 7.3L ...........................................249
Checking the Wiper Blades ....................249
Changing the Wiper Blades ....................249
Removing a Headlamp ............................250
Changing a Bulb .........................................250
Changing the Engine-Mounted and
Diesel Fuel Conditioner Module Fuel
Filters - 6.7L Diesel ..................................251
Electrical System Inspection ..................254
Air Induction System Inspection ...........254
Exhaust System Inspection ....................255
Brake System Inspection .........................255
Axle Inspection ............................................258
Steering System Inspection ...................259
Suspension System Inspection .............259
Frame and Tow Hook Inspection .........260
Rear Axle Fluid Check ...............................260
Spring U-Bolt Check .................................260
Vehicle Care
General Information ..................................262
Cleaning Products ......................................262
Cleaning the Exterior .................................263
Waxing ............................................................264
Cleaning the Engine ..................................264
Cleaning the Windows and Wiper Blades
........................................................................265
Cleaning the Interior ..................................265
Cleaning the Instrument Panel and
Instrument Cluster Lens ......................266
4
Table of Contents

• The gearshift lever must be in P (Park)
or N (Neutral) in order for the starter
to operate.
• Try operating the starter switch several
times. This operation may clean
potentially corroded contacts or make
the switch temporarily operable until
you can reach the dealer.
• If all electrical connections are tight
and you need assistance to start, See
Jump Starting the Vehicle (page 190).
If engine cranks but won’t start
Prolonged starter cranking (in excess of 10
seconds) could cause damage to the
starter motor or the high-pressure fuel
pump.
• Check the fuel gauge. You may be out
of fuel. If the gauge shows that there
is fuel in the tank, the trouble may be
in the electrical system or the fuel
system. If equipped with an auxiliary
tank, be sure that the tank control
switch is set for the tank with fuel and
not on an empty tank.
• Leaving your ignition key turned to on
for over two minutes without starting
may make starting difficult because
the glow plugs will cease activation.
Reset the system by turning the ignition
key to off and then back to on again.
Note:If the system is out of fuel and the
engine will not start, do not continue
cranking the engine. Continued cranking can
damage the high-pressure fuel pump.
If the engine runs hot
The following could cause the engine to
overheat:
• Lack of coolant
• Dirty cooling system.
• Plugged radiator fins, A/C condenser
and/or oil cooler
• Malfunctioning fan drive• Driving with frozen coolant
• Sticking thermostat
• Overloading or pulling heavy trailers
during hot weather
• Grill or radiator air blockage
• Slipping or missing drive belt
• Plugged or very dirty air filter
If fuses burn out
WARNING: Replacement fuses and
circuit breakers must always be the
same rating as the original equipment
shown. Never replace a fuse or circuit
breaker with one of a higher rating.
Higher rated fuses or circuit breakers
could allow circuit overloading in the
event of a circuit malfunction, resulting
in severe vehicle damage or personal
injury due to fire.
Burned-out or blown fuses usually indicate
an electrical short-circuit, although a fuse
may occasionally burn out from vibration.
Insert a second fuse. If this fuse
immediately burns out and you cannot
locate the cause, return your vehicle to
your dealer for a circuit check. See
Changing a Fuse (page 208).
Selective catalytic reduction system
speed limit and Idle-only modes
If the vehicle’s speed is limited or in an
idle-only mode, the selective catalytic
reduction system may be limiting the
vehicle’s functions due to low or
contaminated DEF. Check the DEF. See
Selective Catalytic Reductant System
(page 118).
SYMBOLS GLOSSARY
These are some of the symbols you may
see on your vehicle.
10
Introduction

TOWING A TRAILER
WARNING: Do not exceed
the GVWR or the GAWR
specified on the certification
label.
WARNING: Towing trailers
beyond the maximum
recommended gross trailer
weight exceeds the limit of the
vehicle and could result in engine
damage, transmission damage,
structural damage, loss of
vehicle control, vehicle rollover
and personal injury.
Your vehicle may have electrical
items, such as fuses or relays,
related to towing. See Fuses
(page 200).
Your vehicle's load capacity
designation is by weight, not by
volume, so you cannot necessarily
use all available space when
loading a vehicle.
Towing a trailer places an extra
load on your vehicle's engine,
transmission, axle, brakes, tires
and suspension. Inspect these
components periodically during,
and after, any towing operation.Load Placement
To help minimize how trailer
movement affects your vehicle
when driving:
• Load the heaviest items closest
to the trailer floor.
• Load the heaviest items
centered between the left and
right side trailer tires.
• Load the heaviest items above
the trailer axles or just slightly
forward toward the trailer
tongue. Do not allow the final
trailer tongue weight to go
above or below 10-15% of the
loaded trailer weight.
When driving with a trailer or
payload, a slight takeoff vibration
or shudder may be present due to
the increased payload weight.
Additional information regarding
proper trailer loading and setting
your vehicle up for towing is
located in another chapter of this
manual. See Load Limit (page
175).
You can also find information in
the RV & Trailer Towing Guide
available at your authorized
dealer, or online.
RV & Trailer Towing Guide Online
http://www.fleet.ford.com/towing-guides/ Website
178
Towing

JUMP STARTING THE VEHICLE
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 correct ventilation.
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: Use only adequately
sized cables with insulated clamps.
Preparing Your Vehicle
Do not attempt to push-start your
automatic transmission vehicle.
Note:Attempting to push-start a vehicle
with an automatic transmission may cause
transmission damage.
Note:Use only a 12-volt supply to start your
vehicle.
Note:Do not disconnect the battery of the
disabled vehicle as this could damage the
vehicle electrical system.
Park the booster vehicle close to the hood
of the disabled vehicle, making sure the
two vehicles do not touch.
Connecting the Jumper Cables
WARNING: Do not attach the
cables to fuel lines, engine rocker covers,
the intake manifold or electrical
components as grounding points. Stay
clear of moving parts. To avoid reverse
polarity connections, make sure that you
correctly identify the positive (+) and
negative (-) terminals on both the
disabled and booster vehicles before
connecting the cables.
WARNING: Do not attach the end
of the positive cable to the studs or
L-shaped eyelet located above the
positive (+) terminal of your vehicle’s
battery. High current may flow through
and cause damage to the fuses.
WARNING: 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.
Note:In the illustration, the bottom vehicle
represents the booster vehicle.
190
Roadside Emergencies

FUSE SPECIFICATION CHART
Engine Compartment Fuse 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 engine compartment fuse box is in the
engine compartment. It has high-current
fuses that protect your vehicle's main
electrical systems from overloads.
If you disconnect and reconnect the
battery, you need to reset some features.
See Changing the 12V Battery (page 246).
Replace fuses with the same type and
rating. See Changing a Fuse (page 208).
E251921
Protected Component Rating Item
Horn. 20 A 1
Blower motor. 40 A 2
200
Fuses

Protected Component Rating Item
Blower motor control.
Upfitter - frame. 20 A 3
Starter motor. 30 A 4
Not used. — 5
Upfitter relay 4. 20 A 6
Not used. — 8
Not used. — 10
Not used. — 12
Run/start spare. 10 A 13
Adaptive cruise control. 10 A 14
Blower motor relay. 10 A 15
Air dryer. 20 A 16
Powertrain control module
- ignition status run power. 10 A 17
Glow plug control module -
ignition status run power
(diesel).
Anti-lock brake system run/
start. 10 A 18
Transmission control
module. 10 A 19
Ignition status run power
(diesel).
Windshield wiper motor. 30 A 20
Not used. — 21
Not used. — 22
Alternator 2 (dual alternator
only). 10 A 23
Body control module run
power 2 bus. 40 A 24
201
Fuses

Protected Component Rating Item
Body control module run
power 1 bus. 50 A 25
Not used. — 26
Upfitter battery feed. 20 A 27
Not used. — 28
Alternator 1 A-Line. 10 A 29
Not used. — 30
Hydromax pump. 60 A 31
Powertrain control module. 20 A 32
Canister vent solenoid (gas). 20 A 33
Canister purge solenoid
(gas).
Variable cam timing actu-
ator 11 (gas).
Heated exhaust gas oxygen
sensor (gas).
Urea tank power (diesel).
Exhaust gas recirculation
cool bypass valve (diesel).
A/C clutch relay. 10 A 34
Customer access vehicle
power 3 feed.
Variable oil pump (diesel).
Cooling fan (diesel).
Fan clutch (gas).
Exhaust brake switch.
Variable oil pressure control
(gas)
Coil on plug (gas) 20 A 35
Urea tank (diesel).
Glow plug controller
(diesel).
Nitrogen oxide sensor
control module (diesel).
Particulate matter sensor
(diesel).
Fuel volume control value
(diesel). 10 A 36
202
Fuses

Protected Component Rating Item
Fuel pressure regulator
(diesel).
Not used. — 37
Not used. — 38
Not used. — 39
Trailer brake control
module. 30 A 41
Upfitter spare. 30 A 43
Not used. — 45
A/C clutch solenoid. 10 A 46
Upfitter relay 1. 40 A 47
Upfitter run and accessory
feed. 20 A 48
Pump electronics module
(gas). 30 A 49
Fuel pump (diesel).
Injector power (gas). 15 A 50
Power point #1. 20 A 51
Not used. — 52
Trailer tow park lamp. 30 A 53
Not used. — 54
Upfitter relay 3. 20 A 55
Not used. — 56
USB power. 5 A 58
U-Haul park lamps. 10 A 59
Dual fuel tank selector
switch (diesel). 10 A 60
Not used. — 61
Not used. — 62
203
Fuses