relay FORD EXPEDITION 2017 3.G Owners Manual

TOWING A TRAILER
WARNING
Towing trailers beyond the
maximum recommended
gross trailer weight exceeds the
limit of your vehicle and could
result in engine damage,
transmission damage, structural
damage, loss of vehicle control,
vehicle rollover and personal
injury. Note:
Do not exceed the GVWR or
the GAWR specified on the
certification label. See
Recommended Towing Weights
(page
204).
Your vehicle may have electrical
items, such as fuses or relays,
related to towing. See
Fuses
(page 233).
Your vehicle's load capacity
designation is by weight, not by
volume, so you cannot necessarily
use all available space when
loading a vehicle or trailer.
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.
• Select a ball mount with the
correct rise or drop. When both
the loaded vehicle and trailer
are connected, the trailer frame
should be level, or slightly
angled down toward your
vehicle, when viewed from the
side.
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
198).
You can also find information in
the
RV & Trailer Towing Guide
available at your authorized
dealer, or online.
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FUSE SPECIFICATION CHART
Power Distribution Box
WARNINGS
Always disconnect the battery before
servicing high current fuses.
To reduce risk of electrical shock,
always replace the cover to the
power distribution box before
reconnecting the battery or refilling fluid
reservoirs. The power distribution box is located 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 253). The high-current fuses are coded as
follows:
Protected components
Fuse amp rating
Fuse or relay number
Rear washer relay.
Relay
1
Starter relay.
Relay
2
Blower motor relay.
Relay
3
Rear wiper relay.
Relay
4
Fuel pump relay.
Relay
5
233
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Protected components
Fuse amp rating
Fuse or relay number
Electronic cooling fan.
Relay
6
Rear window defroster.
Relay
7
Heated mirror relay.
Electronic cooling fan.
Relay
8
Run/start relay.
Relay
9
Power distribution box relay.
Relay
10
Power running boards.
40A*
11
Heated seats.
Run/start relay.
40A*
12
Starter relay.
30A*
13
Electronic cooling fan.
50A*
14
Not used.
—
15
Electronic fan.
50A*
16
Not used.
—
17
Trailer brake.
30A*
18
Power point (console).
20A*
19
4x4 module HAT 2.
20A*
20
Trailer tow module.
30A*
21
Passenger power seat.
30A*
22
Air conditioner clutch relay.
Relay
23
Trailer tow park lamp relay.
Relay
24
Not used.
—
25
ALT sensor.
10A**
26
4x4 module HAT 1.
20A**
27
Trailer tow park lamp relay.
25A**
28
Integrated wheel end solenoid.
10A**
29
Air conditioner clutch relay.
10A**
30
Trailer tow back up lamp.
15A**
31
234
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Protected components
Fuse amp rating
Fuse or relay number
Blower motor relay.
40A*
32
110-volt AC power point.
40A*
33
Auxiliary blower motor.
30A*
34
Powertrain control module relay.
50A*
35
Power liftgate.
30A*
36
Not used.
—
37
Not used.
—
38
Trailer tow backup lamps relay.
Relay
39
Electronic fan 2 relay.
Relay
40
Powertrain control module keep-alive
power.
10A**
41
Run/start relay.
5A**
42
Brake on/off switch.
10A**
43
Fuel pump relay.
20A**
44
Not used (spare).
10A**
45
Front/rear washer pump.
15A**
46
Rear wiper motor.
30A*
47
Trailer tow module.
40A*
48
Not used.
—
49
Front wiper motor relay.
30A*
50
Rear window defroster and heated mirror
relay.
40A*
51
Anti-lock brake system run/start feed.
10A**
52
Powertrain control module ISP.
5A**
53
Power steering.
5A**
54
Not used.
—
55
Passenger compartment fuse panel run/
start feed.
30A**
56
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Protected components
Fuse amp rating
Fuse or relay number
Blower motor run/start.
5A**
57
Not used.
—
58
Heated mirrors.
15A**
59
Not used.
—
60
Not used.
—
61
Not used.
—
62
Electronic fan.
25A*
63
Moonroof.
30A*
64
Not used (spare).
20A*
65
Auxiliary power point (rear of center
console).
20A*
66
Front row climate controlled seats.
40A*
67
Anti-lock brake system valves.
30A*
68
Anti-lock brake system pump.
60A*
69
Third row power fold seat.
30A*
70
Auxiliary power point/cigar lighter.
20A*
71
Auxiliary power point (right rear quarter
panel).
20A*
72
Rear seat climate module.
20A*
73
Driver power seat.
30A*
74
Vehicle power 1 – powertrain control
module.
25A**
75
Vehicle power 2 – powertrain control
module.
20A**
76
Vehicle power 4 – ignition coils.
20A**
77
Not used.
—
78
Vehicle power 3 – powertrain control
module.
15A**
79
Not used.
—
80
236
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Protected components
Fuse amp rating
Fuse or relay number
Not used.
—
81
Rain sensor.
5A**
82
Not used.
—
83
Not used.
—
84
Wiper motor relay.
Relay
85
*Cartridge fuses.
**Mini fuses.
Passenger Compartment Fuse
Panel
The fuse panel is located under the
right-hand side of the instrument panel. To remove the trim panel for access to the
fuse box, pull the panel toward you and
swing it out away from the side and
remove it. To reinstall it, line up the tabs
with the grooves on the panel, then push
it shut.
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The fuses are coded as follows:
Protected components
Fuse amp rating
Fuse or relay number
Driver window.
30A
1
Rear seat control.
15A
2
Multimedia gateway module.
Passenger window.
30A
3
Demand lamps.
10A
4
Amplifier.
20A
5
Rear electronic automatic temperature
control.
5A
6
Power mirror.
7.5A
7
Driver seat memory switch.
Not used.
—
8
238
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Protected components
Fuse amp rating
Fuse or relay number
SYNC.
10A
9
Power lift gate.
Electric finish panel.
Display.
Run accessory relay.
10A
10
Passive entry/start module.
10A
11
Interior lighting.
15A
12
Puddle lamps.
Right turn and stop/turn signals.
15A
13
Left turn and stop/turn signals.
15A
14
Reverse lamp.
15A
15
Center high mount stop lamp.
EC mirror.
Right front low beam.
10A
16
Left front low beam.
10A
17
Brake shift interlock/start button LED/
keypad illumination.
10A
18
Third row power folding seat.
Passive entry touch start.
Not used.
—
19
Lock/unlock relays.
20A
20
Not used.
—
21
Horn.
20A
22
Steering wheel control module.
15A
23
Cluster.
Adjustable pedals/power adjustable
column.
15A
24
Datalink.
Liftgate release decklid.
15A
25
Liftglass release motor.
Push to start switch.
5A
26
Passive entry/start module.
20A
27
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Protected components
Fuse amp rating
Fuse or relay number
Ignition switch.
15A
28
Key inhibit switch.
Radio.
20A
29
GPS.
Front park lamps.
15A
30
Trailer brake on/off.
5A
31
Power vent.
15A
32
Driver's window motor.
Power inverter.
CCD suspension module.
10A
33
Rear park assist.
10A
34
Rear camera.
BLIS.
Heated seat.
Climate module.
5A
35
O/D switch.
Not used.
—
36
4X4 module.
10A
37
EC mirror.
10A
38
Moonroof.
DVD.
AM/FM radio.
Left and right front high beams.
15A
39
Rear park/tail lamps.
10A
40
Restraints control module.
7.5A
41
Not used.
—
42
Not used.
—
43
Not used.
—
44
Not used (spare).
5A
45
Climate control.
10A
46
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Protected components
Fuse amp rating
Fuse or relay number
Fog lamps.
15A
47
Front passenger and rear windows circuit
breaker.
30A
48
Windows and vents relay.
Relay
49
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. 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.
FuseTypes 241
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