2018 FORD F-450 fuse

DRAINING THE FUEL FILTER
WATER TRAP - 6.7L DIESEL
WARNING
Do not dispose of fuel in the
household refuse or the public
sewage system. Use an authorized
waste disposal facility. Your vehicle has a diesel fuel conditioner
module. The module is mounted between
the outboard side of the fuel tank and the
frame rail.
Note:
The module is at the front of the fuel
tank or at the front of the aft-axle fuel tank
on some models. You should drain water from the
module assembly whenever the
warning light illuminates or a
message appears in the information
display advising you to drain the water
separator. This occurs when approximately
6.76 fl oz (200 ml) of water accumulates
in the module. If you allow the water level
to exceed this level, the water may pass
through to the engine and may cause fuel
injection equipment damage.
Filter Location
Use the tables below to find the location
of your filter.
Pick-up Truck Filter Location
Box Length
Cab Type
Left side of fuel tank.
8 ft (2.4 m)
Regular.
6.75 ft (2.057 m)
SuperCab.
In front of fuel tank.
8 ft (2.4 m)
6.75 ft (2.057 m)
Super Crew Cab.
Left side of fuel tank.
8 ft (2.4 m)
Chassis Cab Filter Location
Fuel Tank Type
Cab Type
Right side of fuel tank.
Single midship fuel tank
Chassis Cab.
Right side of midship fueltank.
Aft axle/midship fuel tanks
Chassis Cab.
Front of fuel tank.
Single aft axle fuel tank
Chassis Cab.
Draining the Diesel Fuel
Conditioner Module
1. Switch the engine off. 2. Access the underside of your vehicle.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, Second Printing Maintenance

Operating your vehicle in heavy snowfall
or extreme rain conditions may allow
excessive amounts of snow or water into
the air intake system. This could restrict air
flow and cause the engine to lose power
or shut down.
After installing a new air filter element, you
must reset the gauge by pressing the reset
button.
After operating your vehicle during heavy
snowfall or extreme rain, do the following:
•
Snow: At the earliest opportunity, open
the hood and clear any snow and ice
from the air filter housing inlet and
reset the air filter restriction gauge.
• Extreme rain: The air filter element
dries out after approximately 15– 30
minutes of driving at highway speeds.
At the earliest opportunity, open the
hood and reset the air filter restriction
gauge.
Note: Do not remove the foam filter.
CHANGING THE ENGINE-
MOUNTED AND DIESEL FUEL
CONDITIONER MODULE FUEL
FILTERS - 6.7L DIESEL WARNING
Do not dispose of fuel in the
household refuse or the public
sewage system. Use an authorized
waste disposal facility. Your vehicle has two fuel filters. The first
filter mounts on top of the engine on the
left-hand side. The second filter is inside
the diesel fuel conditioner module. The
module is attached to the fuel tank in
different locations depending on the
configuration of your truck. See table
below for configurations.
Note:
The module is at the front of the fuel
tank or at the front of the aft-axle fuel tank
on some models.
Regular fuel filter changes are an
important part of engine maintenance;
failing to keep with the scheduled
maintenance could lead to engine
performance issues and fuel injection
system damage. See Scheduled
Maintenance (page 581).
Use only recommended service parts
conforming to specifications. See
Motorcraft Parts
(page 422).
Note: Using fuel that has high levels of
impurities may require more frequent filter
replacements than the service interval
specifies.
Diesel Fuel Conditioner Module
Filter
Filter Location
Use the tables below to find the location
of your filter.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, Second Printing Maintenance

•
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:
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, Second Printing AccessoriesE220728 E220729

Each switch includes a blunt-cut, sealed
wire. The wires are under the instrument
panel on the right-hand side of the
passenger footwell.The power leads are coded as shown:
Fuse Amp Rating
Wire Color
Circuit Number
Switch
25A
Brown with green
trace
CB117A
AUX 1
25A
Violet with orange
trace
CB114A
AUX 2
25A
Blue with green
trace
CB116A
AUX 3
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Fuse Amp Rating
Wire Color
Circuit Number
Switch
25A
Gray with brown
trace
CB113A
AUX 4
40A
Brown with blue
trace
CB115A
AUX 5
40A
Gray with orange
trace
CB118A
AUX 6
Upfitter Interface Module (If Equipped)
The Upfitter Interface Module (UIM) is an
electronic control module that operates
equipment (such as lift buckets, cranes,
motors, salt spreaders and snow plows)
with external relays.
If you replace the module, it will require
additional programming by the upfitter.
Obtain this data directly from the upfitter
company. The upfitter contact information
is in the vehicle door opening.
For more information on the Upfitter
Interface Module and the auxiliary
switches, contact your upfitter.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, Second Printing Appendices

Understanding the Shift Positions of Your
Automatic Transmission........................... 208
Understanding your SelectShift Automatic ™ transmission......................... 210
Automatic Transmission Fluid Check............................................................346
Checking Automatic Transmission Fluid................................................................... 346
Autowipers........................................................87
Auxiliary Power Points................................170 110 Volt - 400 Watt Capacity AC Power
Outlet................................................................. 170
12 Volt DC Power Point..................................... 170
Locations............................................................... 170
Auxiliary Switches........................................575 Upfitter Interface Module............................... 578
B
Battery See: Changing the 12V Battery..................... 353
Bed Extender....................................................74
Grocery mode........................................................ 75
Tailgate mode........................................................ 74
Bed Ramps
....................................................268
Installing the Ramp Holder............................ 270
Stowing the Bed Ramp................................... 270
Using the Bed Ramp........................................ 269
Blind Spot Information System
..............252
Blind Spot Information System with Trailer
Tow..................................................................... 254
Switching the System Off and On..............256
System Errors...................................................... 256
Using the System............................................... 253
BLIS See: Blind Spot Information System..........252
Bonnet Lock See: Opening and Closing the Hood..........328
Booster Seats
..................................................32
Types of Booster Seats...................................... 32
Brake Fluid Check........................................349
Brakes...............................................................225 General Information.......................................... 225
Breaking-In
....................................................298
Bulb Specification Chart..........................360 C
Cabin Air Filter................................................152
California Proposition 65
.............................12
Capacities and Specifications - 6.2L.................................................................427
Alternative Engine Oil for Extremely Cold Climates............................................................ 431
Specifications..................................................... 428
Capacities and Specifications - 6.7L Diesel.............................................................432
Engine Oil Specifications............................... 438
Specifications..................................................... 434
Capacities and Specifications - 6.8L................................................................439
Alternative Engine Oil for Extremely Cold Climates........................................................... 443
Specifications..................................................... 440
Capacities and Specifications...............420
Cargo Lamps....................................................97
Car Wash See: Cleaning the Exterior.............................. 370
Catalytic Converter
......................................196
On-Board Diagnostics (OBD-II).................... 197
Readiness for Inspection and Maintenance (I/M) Testing.................................................... 197
Center Console
...............................................172
Changing a Bulb...........................................357 Cargo Lamp and Central High Mounted
Brake Lamp Bulbs........................................ 359
Fog Lamp Bulbs................................................. 358
Front Park and Direction Indicator Lamp Bulbs.................................................................. 357
Headlamp Bulbs................................................. 357
License Plate Lamp Bulb............................... 360
Rear Lamps, Brake Lamps, Rear Direction Indicator and Reversing Lamp
Bulbs................................................................. 358
Changing a Fuse..........................................326 Fuses...................................................................... 326
Changing a Road Wheel..........................408 Dissimilar Spare Wheel and Tire Assembly
Information.................................................... 408
Location of the Spare Tire and Tools................................................................. 409
Removing the Spare Tire (With Spare Tire Carrier Only)................................................... 409
Tire Change Procedure.................................... 410
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Dynamic Hitching Using the Rear View
Camera System............................................. 287
Hitches.................................................................. 288
Integrated Trailer Brake Controller.............290
Launching or Retrieving a Boat or Personal Watercraft (PWC)........................................ 294
Safety Chains...................................................... 290
Trailer Brakes...................................................... 290
Trailer Lamps....................................................... 293
Trailer Towing Connector............................... 286
When Towing a Trailer..................................... 294
Event Data Recording See: Data Recording............................................ 10
Export Unique Options.................................15
Exterior Mirrors................................................99
Blind Spot Information System..................... 101
Clearance Lamps ............................................... 101
Direction Indicator Mirrors ............................... 101
Fold-Away Exterior Mirrors............................... 99
Heated Exterior Mirrors .................................... 101
Memory Mirrors ................................................... 101
Power Exterior Mirrors........................................ 99
PowerScope ™ Power Telescoping
Mirrors............................................................... 100
Puddle Lamps...................................................... 101
Spot Lamps........................................................... 101
Telescoping Mirrors........................................... 100
Trailer Towing Camera System...................... 101
F
Fastening the Seatbelts..............................38 Fastening the Cinch Tongue............................ 39
Rear Inflatable Seatbelt..................................... 41
Seatbelt Locking Modes................................... 40
Using Seatbelts During Pregnancy................39
Using the Seatbelt with Cinch Tongue (Front Center Seat on Super Cab and
Crew Cab).......................................................... 38
Flat Tire See: Changing a Road Wheel....................... 408
Floor Mats
......................................................299
Fog Lamps - Front See: Front Fog Lamps........................................ 93
Foot Pedals See: Adjusting the Pedals................................. 86
Ford Credit
.........................................................12
US Only...................................................................... 12Ford Protect
...................................................579
Ford Protect Extended Service Plan
(CANADA ONLY).......................................... 580
Ford Protect Extended Service Plans (U.S. Only).................................................................. 579
Four-Wheel Drive
..........................................214
Front Fog Lamps............................................93
Front Seat Armrest......................................164 ........................................................................\
........... 164
Fuel and Refueling.......................................185
Fuel Consumption
........................................193
Fuel Economy...................................................... 194
Fuel Filter - 6.2L/6.8L.................................352
Fuel Quality - Diesel.....................................187 Biodiesel................................................................ 188
Diesel Fuel Additives......................................... 189
Fuel Requirements - Choosing The Right Fuel: Vehicles Operated Where Ultra Low
Sulfur Diesel Fuel Is Not Required ..........187
Fuel Requirements - Choosing The Right Fuel: Vehicles Operated Where Ultra Low
Sulfur Diesel Fuel Is Required (United
States/Canada/Puerto Rico/U.S. Virgin
Islands And Other Locales) ...................... 187
Fuel Quality - E85........................................186 Choosing the Right Fuel - Flex Fuel
Vehicles............................................................. 186
Switching Between E85 and Gasoline............................................................. 187
Fuel Quality - Gasoline..............................189 Choosing the Right Fuel.................................. 189
Fuel Shutoff..................................................304
Fuses..................................................................317
Fuse Specification Chart............................317 Passenger Compartment Fuse Panel........323
Power Distribution Box..................................... 317
G
Garage Door Opener See: Universal Garage Door Opener...........166
Gauges
.............................................................105
DEF Gauge............................................................ 108
Engine Coolant Temperature Gauge...........107
Engine Oil Pressure Gauge............................. 106
Fuel Gauge............................................................ 107
Transmission Fluid Temperature Gauge................................................................ 108
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, Second Printing Index