2021 FORD F-450 auxiliary battery

12 V DC Power Point
WARNING: Do not plug optional
electrical accessories into the cigar
lighter socket. Incorrect use of the cigar
lighter can cause damage not covered
by the vehicle warranty, and can result
in fire or serious injury.
Note: When you switch the ignition on, you
can use the socket to power
12 V appliances
with a maximum current rating of 20 A20
amps.
Note: Do not plug in any device that
supplies power to the vehicle through the
power points, this may result in damage to
vehicle systems.
Note: Do not hang any accessory from the
accessory plug.
Note: Do not use the power point over the
vehicle capacity of 12 V DC 240 W or a fuse
may blow.
Note: Always keep the power point caps
closed when not in use.
Do not insert objects other than an
accessory plug into the power point. This
damages the power point and may blow
the fuse.
Run the vehicle for full capacity use of the
power point.
To prevent the battery from running out of
charge:
• Do not use the power point longer than
necessary when the engine is off.
• Do not leave devices plugged in
overnight or when you park your vehicle
for extended periods. 110 V 400 Watt AC Power Point
(If
Equipped) WARNING:
Do not keep electrical
devices plugged in the power point
whenever the device is not in use. Do not
use any extension cord with the 110 volt
AC power point, since it will defeat the
safety protection design. Doing so may
cause the power point to overload due
to powering multiple devices that can
reach beyond the 400 watt load limit
and could result in fire or serious injury.
Note: This feature works only when you
have the ignition switched on.
Note: This feature has a maximum output
of 400 watts when the vehicle is in park (P).
Note: While in drive (D), the maximum
outlet output is 300 watts.
Note: When powering electric devices that
require more than 10 watts in vehicles
equipped with keyless start, the engine must
remain running. If the engine is turned off or
you switch the ignition to accessory mode,
plugged in devices will not be charged.
You can use the power point for electric
devices that require up to 400 watts. It is
on the instrument panel, and the rear of
the center console. 168
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Auxiliary Power PointsE191617

WARNING: Changes or
modifications not expressively approved
by the party responsible for compliance
could void the user's authority to operate
the equipment. The term "IC:" before the
radio certification number only signifies
that Industry Canada technical
specifications were met.
This device complies with Industry Canada
licence-exempt RSS standard(s).
Operation is subject to:
• This device may not cause interference.
• This device must accept any
interference, including interference that
may cause undesired operation of the
device.
Note: The charging performance may be
affected if your device is in a case. It may be
necessary to remove the case to wirelessly
charge your device.
The system supports one Qi wireless
charging compatible device on the
charging area.
Keep the charging area clean and remove
foreign objects prior to charging a device.
Do not place items with a magnetic strip,
for example passports, parking tickets or
credit cards, near the charging area when
charging a device. Damage may occur to
the magnetic strip. Do not place metal objects, for example
remote controls, coins and candy
wrappers, on or near the charging area
when charging a device. Metal objects may
heat up and degrade the charging
performance.
Note:
The rate of charge, or charging power,
is controlled by the device. During charging,
the device and the charger may heat up, this
is normal. If the battery gets hotter than
usual, the charger may stop charging. The charging area is on the
center console or lower
instrument panel.
See Center
Console (page 171).
You can charge a device if the vehicle is
on, when in accessory mode, or anytime
SYNC is on.
To begin charging, place the device on the
center of the charging surface with the
charging side down. The charging stops
after your device reaches a full charge.
Note: If the system detects a foreign object
or if the device is misaligned on the charging
area, a message appears in the display.
Note: Software and firmware updates may
affect device compatibility, including the
use of unofficial software or firmware. You
should verify charging functionality with your
specific devices when in your vehicle. Description
Behavior
Message
This message appears whenwireless charging begins.
Message on screen display
or pop-up window.
Wireless Charger Active
The system stops chargingyour device if the system detects the phone is
misaligned, or a foreign
metal object is on the char- ging surface.
Pop-up window.
Phone misaligned or object
between phone and charger
detected. Correct the condi- tion to resume charging.
170
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Auxiliary Power PointsE297549

Protected Component
Fuse
Rating
Fuse
Number
Not used.
—
49
Heated and cooled seats.
30 A
50
Powertrain control module.
20 A
51
Compressed natural gas (gas).
15 A
52
Fuel rail pressure relief control (diesel).
Exhaust gas recirculation stepper motor (gas).
20 A
53
Universal exhaust gas oxygen sensors (gas).
Exhaust gas recirculation cooler bypass (diesel).
Urea pump motor controller (diesel).
Oxygen sensors.
A/C clutch relay power.
20 A
54
Fan clutch.
Rain sensor.
5 A
55
Windshield wipers.
30 A
56
Upfitter interface module.
10 A
57
Alternator sense line.
10 A
58
Power running boards.
30 A
59
Body control module - battery power in feed 2.
40 A
60
Telescopic mirror motors.
10 A
61
Trailer brake control.
40 A
62
Aftermarket e-brake access.
Multi-contour seats.
15 A
63
Ignition coil (gas).
20 A
64
Glow plug module (diesel).
Nitrogen oxide module (diesel).
Urea level and quality sensor (diesel).
Fuel pump.
30 A
65
A/C clutch solenoid.
10 A
66
Auxiliary lighting module.
40 A
67
Powertrain control module.
10 A
68
342
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Fuses

AUXILIARY SWITCHES (IF
EQUIPPED)
For maximum vehicle performance, keep
the following information in mind when
adding accessories or equipment to your
vehicle:
• When adding accessories, equipment,
passengers and luggage to your
vehicle, do not exceed the total weight
capacity of the vehicle or of the front
or rear axle (GVWR or GAWR as
indicated on the Safety Compliance
Certification label). Ask an authorized
dealer for specific weight information.
• The Federal Communications
Commission (FCC) and Canadian
Radio Telecommunications
Commission (CRTC) regulate the use
of mobile communications systems
equipped with radio transmitters, for
example, two-way radios, telephones
and theft alarms. Any such equipment
installed in your vehicle should comply
with Federal Communications
Commission (FCC) and Canadian
Radio Telecommunications
Commission (CRTC) regulations, and
should be installed by an authorized
dealer.
• An authorized dealer needs to install
mobile communications systems.
Improper installation may harm the
operation of your vehicle, particularly
if the manufacturer did not design the
mobile communication system
specifically for automotive use.
• If you or an authorized Ford dealer add
any non-Ford electrical or electronic
accessories or components to your
vehicle, you may adversely affect
battery performance and durability. In
addition, you may also adversely affect
the performance of other electrical
systems in the vehicle. The auxiliary switch option package
provides six switches mounted in the
overhead console. These switches operate
when the vehicle is running or from battery
power, depending on the switchable fuse
AUXF4's location in the upfitter relay box.
We recommend, however, that the engine
remain running to maintain battery charge
when using the auxiliary switches for
extended periods of time or higher current
draws.
Note:
When your vehicle has a diesel
engine, use the auxiliary switches only when
the engine is running. The glow plugs also
drain battery power when the ignition key is
in the on position. Using the auxiliary
switches, even for limited amounts of time,
can cause your battery to drain quickly and
prevent your vehicle from restarting.
When switched on, the auxiliary switches
provide electrical battery power for a
variety of personal or commercial uses.
Switches 1 through 4 provide 25 amps.
Switches 5 and 6 provide 40 amps.
The relay box for the auxiliary switches is
in the rear of the engine compartment,
near the back wall. See your authorized
dealer for service.
The relays are coded as shown:
559
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- AccessoriesE220728

Audio Unit.......................................................479
Accessing the Apps Menu............................. 480
Accessing the Clock Settings....................... 480
Accessing the Media Source Menu............480
Accessing the Phone Features.................... 480
Accessing the Settings Menu....................... 480
Accessing the Sound Settings..................... 480
Adjusting the Volume...................................... 480
Changing Radio Stations............................... 480
Listening to the Radio....................................... 481
Playing or Pausing Media................................ 481
Selecting the Audio Modes........................... 489
Setting a Memory Preset............................... 489
Switching Radio Text On and Off.................481
Switching Repeat Mode On and Off...........481
Switching Shuffle Mode On and Off...........481
Switching the Audio Unit On and Off.........481
Switching the Display On and Off...............481
Using Seek, Fast Forward and Reverse.............................................................. 481
Using the Display Control................................ 481
Using the Number Block.................................. 481
Autolamps........................................................88 Windshield Wiper Activated
Headlamps........................................................ 88
Automatic High Beam Control..................93
Automatic High Beam Control Indicators........................................................93
Automatic Transmission...........................207
Brake-Shift Interlock......................................... 210
If Your Vehicle Gets Stuck in Mud or Snow.................................................................... 211
Neutral Idle with F350, F450, F550 and F600 Chassis Cab Vehicles....................... 210
Understanding the Shift Positions of Your Automatic Transmission............................ 207
Understanding Your SelectShift Automatic ™ Transmission....................... 208
Automatic Transmission Fluid Capacity and Specification - Diesel.....................463
Automatic Transmission Fluid Capacity and Specification - Gasoline
................463
Six-Speed Automatic Transmission..........463
Ten-Speed Automatic Transmission.........464
Automatic Transmission Fluid Check.............................................................376
Auto Mode
.......................................................145
Auto Mode Indicators........................................ 145Switching Auto Mode On and Off................145
Switching Dual Mode On and Off................146
Autowipers.......................................................85
Auxiliary Power Points...............................168 400 Watt AC Power Point.............................. 168
DC Power Point................................................... 168
Locations............................................................... 169
Auxiliary Switches
.......................................559
Upfitter Interface Module............................... 562
B
Battery See: Changing the 12V Battery...................... 379
Bed Extender....................................................73 Grocery mode........................................................ 75
Tailgate mode........................................................ 74
Blind Spot Information System
.............254
Blind Spot Information System with Trailer
Tow..................................................................... 256
Switching the System Off and On..............258
System Errors...................................................... 258
Using the System............................................... 255
BLIS See: Blind Spot Information System..........254
Bonnet Lock See: Opening and Closing the Hood..........348
Booster Seats..................................................33 Types of Booster Seats...................................... 34
Brake Fluid Check.........................................377 Brake Fluid Service Interval............................ 378
Brake Fluid Specification..........................465
Brakes...............................................................223 General Information.......................................... 223
Breaking-In.....................................................320
Bulb Specification Chart...........................447
C
Calculating Payload
....................................274
Calculating the Load Limit.......................274
Helpful examples for calculating the
available amount of cargo and luggage
load capacity.................................................. 275
Canceling the Set Speed...........................231
Capacities and Specifications
.................441
Cargo Lamps....................................................91
648
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Index