relay FORD E SERIES 2015 4.G Owners Manual

TOWING A TRAILER
WARNING:Do not exceed the GVWR or the GAWR specified on
the certification label.
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:For information on electrical items such as fuses or relays, see the
Fuseschapter.
The load capacity of your vehicle is designated by weight not volume.
You may not necessarily be able to use all available space when loading
your vehicle or trailer.
Towing a trailer places extra load on the engine, transmission, axle,
brakes, tires, and suspension. Inspect these components before, during
and after towing.
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 tow bar 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. You can
find more information about proper trailer loading and setting your
vehicle up for towing underLoad limitin theLoad Carryingchapter.
You can also find information in theRV and Trailer Towing Guide
available at your authorized dealer.
126Towing
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FUSE SPECIFICATION CHART
Power Distribution Box
WARNING:Always disconnect the battery before servicing high
current fuses.
WARNING:To reduce risk of electrical shock, always replace the
cover to the power distribution box before reconnecting the
battery or refilling fluid reservoirs.
Note:If your vehicle is equipped with a dual battery, disconnecting the
primary under-hood battery does not remove power from all circuits.
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 the battery has been disconnected and reconnected, refer to
Changing the Vehicle Batteryin theMaintenancechapter.
The high-current fuses are coded as follows:
Fuse or relay
locationFuse amp
ratingProtected components
1 HC micro relay Powertrain control module
2 HC micro relay Starter solenoid
3 HC micro relay Wiper
160Fuses
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USA(fus)

Fuse or relay
locationFuse amp
ratingProtected components
4 HC micro relay Trailer tow battery charge
5 HC micro relay Fuel pump
6 HC micro relay Trailer tow park lamp
7 HC micro relay Auxiliary switch #4
8 HC micro relay Auxiliary switch #3
9 HC micro relay Modified vehicle and stripped
chassis run/start
10 — Not used
11 — Not used
12 40A** Modified vehicle and stripped
chassis run/start
13 30A** Starter solenoid relay
14 40A** Run start relay
15 40A** Modified vehicle and stripped
chassis battery
16 50A** Auxiliary air conditioning blower
17 50A** Trailer tow battery charge, Trailer
tow park feed
18 30A** Electric trailer brake, Trailer brake
controller
19 30A** Auxiliary switch #1
20 30A** Auxiliary switch #2
21 — Not used
22 — Not used
23 G8VA relay Air conditioning clutch
24 G8VA relay Horn relay (stripped chassis)
25 HC micro relay Run/start
26 — Not used
27 — Not used
28 20A* Back-up lamp
29 10A* Air conditioning clutch
30 10A* Brake on/off switch
Fuses161
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Fuse or relay
locationFuse amp
ratingProtected components
31 10A* Cluster battery (stripped chassis)
32 50A** Blower motor
33 40A** Anti-lock brake system pump
34 20A** Stripped chassis horn
35 40A** Powertrain control module relay
36 20A** Ignition switch (stripped chassis)
37 G8VA relay Trailer tow stop — left turn signal
38 G8VA relay Trailer tow stop — right turn signal
39 G8VA relay Back up lamp
40 ISO relay Blower motor
41 — Not used
42 15A* Diagnostic connector (stripped
chassis)
43 20A* Fuel pump
44 10A* Auxiliary switch #3
45 15A* Auxiliary switch #4
46 10A* Powertrain control module keep
alive power, Canister vent,
Powertrain control module relay coil
47 40A** Anti-lock brake system coil
48 20A** Trailer tow stop lamp/turn signal
49 30A** Wiper motor
50 — Not used
51 20A** Cutaway
52 10A* Stripped chassis and modified
vehicle run/start relay coil
53 10A* Anti-lock brake system run/start
feed
54 10A* Fuel pump relay coil
55 — Not used
56 — Not used
57 20A* Trailer tow park lamp
162Fuses
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Fuse or relay
locationFuse amp
ratingProtected components
58 15A* Trailer tow backup lamp
59 — Not used
60 — One-touch integrated start (diode)
61 — Not used
62 HC micro relay Auxiliary switch #2
63 30A** Trailer tow battery charge
64 — Not used
65 20A** Power point 2 (glove box)
66 20A** Power point 3 (cutaway B+)
67 20A** Power point 1 (instrument panel)
68 50A** Modified vehicle
69 — Not used
70 30A** Stripped chassis
71 — Not used
72 20A** Cigar lighter / Power point
73 — Not used
74 30A** Power seat
75 20A* Vehicle power 1, Powertrain control
module power
76 20A* Vehicle power 2, Powertrain control
module – emission related
powertrain components
77 10A* Vehicle power 3, Powertrain control
module – general powertrain
components
78 15A* Vehicle power 4, Fuel pump relay
coil
79 10A* Vehicle power 5, Transmission
80 10A* Cluster run/start (stripped chassis)
81 — Not used
82 — Not used
83 — Fuel pump (diode)
Fuses163
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Fuse or relay
locationFuse amp
ratingProtected components
84 — Not used
85 HC micro relay Auxiliary switch #1
* Mini fuses ** A1S fuses
Passenger Compartment Fuse Panel
WARNING:Always disconnect the battery before servicing high
current fuses.
Note:If your vehicle is equipped with a dual battery, 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.
164Fuses
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The fuses are coded as follows:
Fuse or relay
locationFuse amp
ratingProtected components
1 30A Inverter B+
2 15A Not used (spare)
3 15A Not used (spare)
4 30A Not used (spare)
5 10A Passenger compartment fuse panel,
Brake-shift interlock
6 20A Turn signal, Hazard, Stop lamps
7 10A Left low beam
8 10A Right low beam
9 15A Courtesy lamps
10 15A Switch illumination
11 10A Not used (spare)
Fuses165
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Fuse or relay
locationFuse amp
ratingProtected components
12 7.5A Not used (spare)
13 5A Mirrors
14 10A SYNC, Global positioning system
module
15 10A Not used (spare)
16 15A Not used (spare)
17 20A Door locks
18 20A Not used (spare)
19 25A Not used (spare)
20 15A Diagnostic connector (except
stripped chassis)
21 15A Not used (spare)
22 15A Park lamps, License plate lamps
23 15A High beams
24 20A Horn (except stripped chassis)
25 10A Demand lighting
26 10A Cluster (except stripped chassis)
27 20A Ignition switch feed
28 5A Audio mute (start)
29 5A Cluster (except stripped chassis)
30 5A Not used (spare)
31 10A Not used (spare)
32 10A Restraints module
33 10A Trailer brake controller
34 5A Not used (spare)
35 10A Cutaway run/start
36 5A Passive anti-theft system radio
frequency module
37 10A Climate control, Stripped chassis
instrument panel #1 run/start
38 20A Not used (spare)
166Fuses
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USA(fus)

Fuse or relay
locationFuse amp
ratingProtected components
39 20A Radio
40 20A Not used (spare)
41 15A Radio, Switch illumination,
Automatic dimming rear view
mirror, Inverter
42 10A Auxiliary switch
43 10A Stripped chassis instrument panel
connector #1
44 10A Trailer tow battery charge relay
45 5A Wipers, Stripped chassis Engine
connector 3
46 7.5A Passenger airbag deactivation
indicator
47 30A circuit
breakerWindows accessory delay
48 Relay Delayed accessory
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This option also includes a fuse and relay kit. This kit contains the
required fuses and relays that need to be installed into the power
distribution box located under the hood. Refer to the instruction sketch
included in the kit. See an authorized dealer for service.
There will also be one power lead for each switch found as a blunt-cut
and sealed wire located in the underhood cowl shield above the engine
block powertrain control module.
They are coded as follows:
SwitchCircuit
NumberWire ColorFuse Amp
Rating
AUX 1 CAC05 Yellow 30A
AUX 2 CAC06 Green with
Brown Trace30A
AUX 3 CAC07 Violet with
Green Trace10A
AUX 4 CAC08 Brown 15A
Visit www.fleet.ford.com/truckbbas for more detailed information about
upfitter switches.
260Accessories
2015 Econoline(eco)
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USA(fus)