Ford F-53 Motorhome Chassis (2017 year). Manual - part 19

Protected components

Fuse amp rating

Fuse or relay number

High beam headlamps flash to pass.
(Instrument panel fuses #25, 31).

Ignition switch feeds (instrument panel
fuses #F26).

40A**

J6

Instrument panel fuses #F24, F22, F20,
F26, F21, F8, F6, F4, F2.

40A**

J7

Power distribution box fuses M4, M1-4.

Instrument panel fuses F11, F13, F15, F17.

50A**

J8

Starter relay feed.

30A**

J9

Starter motor solenoid.

Power distribution box fuse M1-1.

60A**

J10

Power brake assist motor (Hydromax).

Trailer tow electronic brake.

30A**

J11

Lighting primary.

60A**

J12

Power distribution box fuse M1-2.
Instrument panel fuses #F19, F5, F3.

Not used.

—

J13

Horn.

20A**

J14

4–channel anti-lock brake system module.

60A**

J15

Trailer tow parking lamps.

20A**

J16

*

Mini fuse.

**

J-case fuse.

Diode and Relay Module

Locate the module box with the power
distribution box in from of the radiator.

E224614

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

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.

E161521

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

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