Ford Super Duty (2018 year). Manual - part 81

Protected Components

Fuse Rating

Fuse or Relay

Number

Lane keeping system.

15A

1

36

Automatic high beam control.
Auto-dimming mirrors.
Rear heated seats.
Camera module.

Heated steering wheel.

20A

1

37

Rear power window switch.

30A

3

38

1 

Micro 2 fuse.

2 

Micro 3 fuse.

3 

Circuit breaker.

CHANGING A FUSE

Fuses

WARNING

Always replace a fuse with one that
has the specified amperage rating.
Using a fuse with a higher amperage

rating can cause severe wire damage and
could start a fire.

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If electrical components in the vehicle are
not working, a fuse may have blown. Blown
fuses are identified by a broken wire within
the fuse. Check the appropriate fuses
before replacing any electrical
components.

Fuse Types

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Fuse Type

Callout

Micro 2

A

Micro 3

B

Maxi

C

Mini

D

M Case

E

J Case

F

J Case Low Profile

G

GENERAL INFORMATION

Have your vehicle serviced regularly to help
maintain its roadworthiness and resale
value. There is a large network of
authorized dealers that are there to help
you with their professional servicing
expertise. We believe that their specially
trained technicians are best qualified to
service your vehicle properly and expertly.
They are supported by a wide range of
highly specialized tools developed
specifically for servicing your vehicle.

If your vehicle requires professional service,
an authorized dealer can provide the
necessary parts and service. Check your
warranty information to find out which
parts and services are covered.

Use only recommended fuels, lubricants,
fluids and service parts conforming to
specifications. Motorcraft® parts are
designed and built to provide the best
performance in your vehicle.

Precautions

•

Do not work on a hot engine.

•

Make sure that nothing gets caught in
moving parts.

•

Do not work on a vehicle with the
engine running in an enclosed space,
unless you are sure you have enough
ventilation.

•

Keep all open flames and other burning
material (such as cigarettes) away
from the battery and all fuel related
parts.

Working with the Engine Off

1.

Set the parking brake and shift to park
(P).

2. Switch off the engine.

3. Block the wheels.

Working with the Engine On

WARNING

To reduce the risk of vehicle damage
and/or personal burn injuries, do not
start your engine with the air cleaner

removed and do not remove it while the
engine is running.

1.

Set the parking brake and shift to park
(P).

2. Block the wheels.

OPENING AND CLOSING THE
HOOD

1.

Inside the vehicle, pull the hood release
handle located under the left hand side
of the instrument panel.

E166491

2. Go to the front of your vehicle and

locate the secondary release lever
under the front of the hood near the
center of your vehicle.

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3. Raise the hood until the lift cylinders

hold it open.

4. To close, lower the hood and make

sure that it is closed properly and fully
latched.

UNDER HOOD OVERVIEW - 6.2L

A

B

C

J

E

F

H

I

D

E222143

G

Air filter.  See Changing the Engine Air Filter (page 363).

A.

Engine compartment fuse box.  See Fuse Specification Chart (page 318).

B.

Automatic transmission fluid dipstick.  See Automatic Transmission Fluid
Check (page 347).

C.

Brake fluid reservoir.  See Brake Fluid Check (page 350).

D.