2018 FORD E-350 brake

Protected Components
Fuse Rating
Fuse or Relay
Number
Auxiliary switch #4 relay.
—
7
Auxiliary switch #3 relay.
—
8
Modified vehicle and stripped chassis run/
start relay.
—
9
Cooling fan relay (6.2L engine).
—
10
Cooling fan (6.2L engine).
50A 1
11
Modified vehicle and stripped chassis run/
start.
40A 2
12
Starter solenoid relay.
30A 2
13
Run/start relay.
40A 2
14
Modified vehicle and stripped chassis
battery.
40A 2
15
Auxiliary air conditioning blower.
50A 2
16
Trailer tow battery charge.
50A 2
17
Trailer tow park feed.
Electric trailer brake.
30A 2
18
Trailer brake controller.
Auxiliary switch #1.
30A 2
19
Auxiliary switch #2.
30A 2
20
Fuel pump (6.2L).
20A 2
21
Not used.
—
22
Air conditioning clutch relay.
—
23
Horn relay (stripped chassis).
—
24
Run/start relay.
—
25
Not used.
—
26
Not used.
—
27
130
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

Protected Components
Fuse Rating
Fuse or Relay
Number
Back-up lamp.
20A 3
28
Air conditioning clutch.
10A 3
29
Brake on/off switch.
10A 3
30
Cluster battery (stripped chassis).
10A 3
31
Blower motor.
50A 2
32
Anti-lock brake system pump.
40A 2
33
Stripped chassis horn.
20A 2
34
Powertrain control module relay.
40A 2
35
Ignition switch (stripped chassis).
20A 2
36
Trailer tow left-hand side stop lamp and
direction indicator lamp relay.
—
37
Trailer tow right-hand side stop lamp and
direction indicator lamp relay.
—
38
Back-up lamp relay.
—
39
Blower motor relay.
—
40
Not used.
—
41
Diagnostic connector (stripped chassis).
15A 3
42
Fuel pump (6.8L).
20A 3
43
Auxiliary switch #3.
10A 3
44
Auxiliary switch #4.
15A 3
45
Powertrain control module keep alive
memory power.
10A 3
46
Canister vent control valve.
Powertrain control module relay coil.
Anti-lock brake system relay coil.
40A 2
47
131
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

Protected Components
Fuse Rating
Fuse or Relay
Number
Trailer tow stop lamp and direction indic-
ator lamps.
20A 2
48
Wiper motor.
30A 2
49
Not used.
—
50
Cutaway.
20A 2
51
Modified vehicle and stripped chassis run/
start relay coil.
10A 3
52
Anti-lock brake system run/start feed.
10A 3
53
Fuel pump relay coil.
10A 3
54
Not used.
—
55
Not used.
—
56
Trailer tow park lamp.
20A 3
57
Trailer tow back-up lamp.
15A 3
58
Not used.
—
59
Not used.
—
60
Not used.
—
61
Auxiliary switch #2 relay.
—
62
Trailer tow battery charge.
30A 2
63
Not used.
—
64
Power point 2 (glove box).
20A 2
65
Power point 3 (cutaway B+).
20A 2
66
Power point 1 (instrument panel).
20A 2
67
Modified vehicle.
50A 2
68
Not used.
—
69
132
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

Passenger Compartment Fuse
Panel
WARNING
Always disconnect the battery before
servicing high current fuses. Note:
If your vehicle is equipped with dual
batteries, disconnecting the primary
under-hood battery does not remove power
from all circuits.
The fuse panel is located to the left of the
brake pedal and mounted onto the lower
left cowl panel. Remove the fuse panel
cover to access the fuses.
To remove a fuse, use the fuse puller tool
provided on the inside of the fuse panel
cover.
134
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

Protected Components
Fuse Rating
Fuse or Relay
Number
Inverter B+.
30A
1
Not used (spare).
15A
2
Not used (spare).
15A
3
Not used (spare).
30A
4
Passenger compartment fuse panel.
10A
5
Brake-shift interlock.
Direction indicators lamps.
20A
6
Hazard lamps.
Stop lamps.
Left-side headlamp low beam.
10A
7
Right-side headlamp low beam.
10A
8
Courtesy lamps.
15A
9
Switch illumination.
15A
10
Not used (spare).
10A
11
Not used (spare).
7.5A
12
Mirrors.
5A
13
SYNC
10A
14
Global positioning system module.
Not used (spare).
10A
15
Not used (spare).
15A
16
Door locks.
20A
17
Not used (spare).
20A
18
Not used (spare).
25A
19
Diagnostic connector (except stripped
chassis).
15A
20
Not used (spare).
15A
21
Parking lamps.
15A
22
License plate lamps.
135
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

Protected Components
Fuse Rating
Fuse or Relay
Number
Headlamp high beams.
15A
23
Horn (except stripped chassis).
20A
24
Demand lighting.
10A
25
Cluster (except stripped chassis).
10A
26
Ignition switch feed.
20A
27
Audio mute (start).
5A
28
Cluster (except stripped chassis).
5A
29
Not used (spare).
5A
30
Not used (spare).
10A
31
Restraints module.
10A
32
Trailer brake controller.
10A
33
Not used (spare).
5A
34
Cutaway run/start.
10A
35
Passive anti-theft system radio frequency
module.
5A
36
Climate control.
10A
37
Stripped chassis #1 run/start.
Not used (spare).
20A
38
Radio.
20A
39
Not used (spare).
20A
40
Radio.
15A
41
Switch illumination.
Automatic dimming rear view mirror.
Power inverter.
Auxiliary switch.
10A
42
Stripped chassis instrument panel
connector #1.
10A
43
Trailer tow battery charge relay.
10A
44
Wipers.
5A
45
136
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing Fuses

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 bottom left
corner of the instrument panel.
2. Go to the front of the vehicle and push
the auxiliary latch, located in the center
of the top grille, to the left in order to
release the hood.
3. Lift the hood and secure it with the prop rod.
UNDER HOOD OVERVIEW
139
E-Series (TE4) Canada/United States of America, enUSA, Edition date: 201712, Second Printing MaintenanceE196351

Windshield washer fluid
reservoir: See Washer Fluid
Check (page 150).
A
Engine oil filler cap:
See Engine
Oil Check (page 141).
B
Automatic transmission fluid
dipstick:
See Automatic
Transmission Fluid Check
(page
146).
C
Air filter assembly:
See
Changing the Engine Air Filter
(page
158).
D
Engine oil dipstick:
See Engine
Oil Dipstick (page 141).
E
Brake fluid reservoir: See Brake
Fluid Check
(page 149).
F Engine coolant reservoir:
See
Engine Coolant Check (page
142).
G
Power steering fluid reservoir:
See
Power Steering Fluid
Check (page 150).
H
Battery: See Changing the 12V
Battery
(page 151).
I
140
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