2017 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS brake

Protected components
Relay location
Not used.
1
Not used.
2
Not used.
3
Daytime running lamps power relay.
4
Hydromax – brake on/off signal isolating relay.
5
Reverse lamps relay.
6
Starter ground relay.
7
Trailer tow parking lamps relay.
8
Fuse Holder Module
The fuse holder is next to the diode and
relay module. Protected components
Fuse amp rating
Fuse number
Break on/off relay feed (Hydromax
module).
10A
1
Brake transmission shift interlock.
10A
2
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing FusesE224614

F53 Passenger Compartment Fuse
Panel
Locate this fuse panel below and to the
left of the steering wheel near the brake
pedal. Remove the panel cover to access
the fuses.
To remove a fuse, use the fuse panel
cover's fuse puller tool. Protected components
Fuse amp rating
Fuse or relay number
Multi function switch.
20A*
1
Not used.
—
2
Not used.
—
3
Instrument cluster.
10A*
4
Body builder accessory feed (accessory
and run).
10A*
5
Not used.
—
6
Blower motor relay coil.
15A*
7
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing FusesE161521

Protected components
Fuse amp rating
Fuse or relay number
Brake lamps feed.
10A*
8
Trailer brake control module
Not used.
—
9
Instrument cluster memory.
10A*
10
Wiper/washer module.
30A*
11
Wiper feed.
Not used.
—
12
Anti-lock brake system module –
Hydromax.
10A*
13
Anti-lock brake system module – Hydro-
boost.
10A*
14
Instrument cluster run/start.
Left-hand direction indicator feed.
15A*
15
Body builder battery (+12V) feed.
20A*
16
Body builder radio feed.
5A*
17
Not used.
—
18
Daytime running lamps relays.
5A*
19
Not used.
—
20
Right-hand direction indicator feed.
15A*
21
Trailer tow direction indicators.
20A*
22
Cluster run/accessory.
10A*
23
Not used.
—
24
Body builder right-hand low beam head-
lamp feed.
10A*
25
Not used.
—
26
Not used.
—
27
Not used.
—
28
Not used.
—
29
Not used.
—
30
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing Fuses

Protected components
Fuse amp rating
Fuse or relay number
Body builder left-hand low beam head-
lamp feed.
10A*
31
Not used.
—
32
Body builder reverse lamp power.
10A*
33
Body builder reverse gear.
10A*
34
Trailer tow reverse lamps.
Body builder high beam feed.
20A*
35
High beam indicator.
Transmission control switch.
10A*
36
Not used.
—
37
Body builder off/run.
10A*
38
Not used.
—
39
Not used.
—
40
Instrument cluster lighting/switch illumin-
ation.
10A*
41
Not used.
—
42
Not used.
—
43
Not used.
—
44
Trailer tow right-hand direction indicator.
—
Relay 1
Trailer tow left-hand direction indicator.
—
Relay 2
Right-hand direction indicator.
—
Relay 3
Left-hand direction indicator.
—
Relay 4
Not used.
—
Relay 5
Daytime running lamps.
—
Relay 6
Parking brake.
Daytime running lamps on/off.
—
Relay 7
Not used.
—
Diode 1
Not used.
—
Diode 2
Not used.
—
F1
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing Fuses

F59 UPS Passenger Compartment Fuse Panel
Protected components
Fuse amp rating
Fuse or relay number
Not used.
—
F1
Right/left rear direction indicator.
20A*
F2
Right/left direction indicator relay coil.
Instrument cluster right/direction indicator
indicator.
Left turn signal.
15A*
F3
Hazard lamps.
Blower motor relay coil.
15A*
F4
Right front/rear direction indicator.
15A*
F5
Right front/rear hazard lamp.
Anti-lock brake system module
(Hydromax).
10A*
F6
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing FusesE188334

Protected components
Fuse amp rating
Fuse or relay number
Right low beam headlamp.
10A*
F7
Daytime running lamps relays.
5A*
F8
Left low beam headlamp.
10A*
F9
Transmission control switch.
10A*
F10
Cluster battery (+12V) #1.
10A*
F11
Not used.
—
F12
Cluster battery (+12V) #2.
10A*
F13
Switch illumination.
10A*
F14
Instrument cluster lighting.
Body builder battery (+12V) feed.
20A*
F15
Not used.
—
F16
Trailer tow direction indicators.
20A*
F17
Trailer tow stop lamps.
Trailer tow hazard lamps.
Body builder off/run.
10A*
F18
Trailer brake control module BOO signal.
10A*
F19
Body builder brake lamps.
Left/right brake lamps.
Body builder run/accessory feed.
10A*
F20
Anti-lock brake system module.
10A*
F21
Instrument cluster.
Wiper/washer module.
30A*
F22
Wiper feed.
Reverse lamps.
10A*
F23
Body builder radio feed.
5A*
F24
Trailer tow reverse lamps.
10A*
F25
Cluster run/accessory.
10A*
F26
High beam indicator.
20A*
F27
Daytime running lamps.
Micro relay
R1
Parking brake.
82
Motorhome (TY3) Canada/United States of America, enUSA, First 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.
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing Maintenance

UNDER HOOD OVERVIEW - COMMERCIAL CHASSIS
Engine coolant reservoir. See Engine Coolant Check (page 89).
A
Engine oil filler cap. See
Engine Oil Check (page 88).
B
Automatic transmission fluid dipstick. See
Automatic Transmission Fluid
Check (page 93).
C
Engine compartment fuse box. See
Fuses (page 65).
D
Engine oil dipstick. See
Engine Oil Dipstick (page 88).
E
Air filter assembly. See
Changing the Engine Air Filter (page 100).
F
Power steering fluid reservoir. See
Power Steering Fluid Check (page 97).
G
Brake fluid reservoir. See
Brake Fluid Check (page 95).
H
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Motorhome (TY3) Canada/United States of America, enUSA, First Printing MaintenanceE225840HGFEABCD