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Ford F-53 F53 Commercial Stripped Chassis (2015) – fuse box diagram

avatar Jonathan Yarden Feb 16, 2021 · 5 min. read

In this article you will find a description of fuses and relays Ford, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Power distribution box

Ford F-series F53 (2015) Motorhome Chassis - power distribution box

Locate the power distribution box in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads.

Fuse or relay Ampere rating [A] Protected components
1 5* Power brake assist module – Hydromax
2 10* Air conditioning compressor clutch
3 20* Air conditioning clutch relay coil.  Catalyst monitor sensor.  Engine heated exhaust gas oxygen sensor #11 and #21.  Mass air flow sensor with intake air temperature.  Vapor management valve
4 5* Powertrain control module memory.  Powertrain control module relay coil
5 20* Powertrain control module power
6 20* Instrument panel dimmer module.  Instrument panel fuse #41.  Park lamp feeds.  Trailer tow running lamp relay coil
7 20* Ignition coils.  Radio capacitors
8 30* Hydromax – Anti-lock brake system module
9 10* Powertrain control module.  Starter ground relay coil.  Starter main relay coil
10 20* Daytime running lamps
11 20* Fuel pump relay coil.  Powertrain control module power
12 25* Instrument panel – backup lamp feed.  Trailer tow back-up lamps feed
13 30** Trailer tow electric brake controller feed
14 60** Instrument panel battery feed (fuse #9, 15, 21).  Lighting primary fuse
15 20** Trailer tow park lamps
16 60** Anti-lock brake system module – Hydromax
40** Anti-lock brake system module – Hydroboost
17 20** Horn feed
18 20** Backup lamp feed.  Tow/haul switch.  Transmission control indicator light
19 Not used
20 30** Powertrain control module relay coil.  Powertrain control module relay (Power distribution box fuses # 3, 5, 7, 18)
21 20** Fuel injectors.  Fuel pump motor
22 20** Cigar lighter feed.  Diagnostic tool connector
23 40** Blower motor feed
24 50** Instrument panel battery feed (fuses #4, 10, 16, 22)
25 40** Ignition switch feed (Instrument panel fuses #1, 5, 7, 11, 13, 14, 17, 19, 23; Power distribution box fuses #9, 11)
26 40** Ignition switch feed (Instrument panel fuses #5, 11, 17, 23, 26, 38)
27 30** Multi-function switch (headlamps)
28 30** Starter solenoid
29 60** Power brake assist motor – Hydromax
40** Anti-lock brake system module – Hydroboost
R1 Air conditioning clutch relay
R2 Fuel pump relay
R3 Horn relay
R4 Starter relay
R5 Blower motor relay
R6 Powertrain control module relay
Diode 1 Fuel pump diode
Diode 2 Air conditioning clutch diode
*Mini fuses.
**Maxi fuses.

UPS Power distribution box 1

Ford F-series F53 Motorhome Chassis (2015) - UPS power distribution box1

Fuse or relay Ampere rating [A] Protected components
R1 Relay Powertrain control module
R2 Relay Daytime running lamps
R3 Relay Starter motor
R4 Relay Blower motor
R5 Relay Horn
R6 Relay Fuel pump
R7 Relay Starter ground
R8 Relay Trailer tow parking lamps
R9 Relay Back-up lamps
R10 Relay Not used
R11 Relay Not used
R12 Relay Air conditioning
M1-1 10 Hydromax brake on/off relay
M1-2 Not used
M1-3 Not used
M1-4 Not used

UPS Power distribution box 2

Ford F-series F53 Motorhome Chassis (2015) - UPS power distribution box 2

Fuse or relay Ampere rating [A] Protected components
M1 25* Back-up lamps
M2 20* Daytime running lamps
M3 30* 4–channel anti-lock brake system module (Hydromax)
M4 20* Powertrain control module run/start.  Fuel pump relay coil
M5 10* Starter relay coil
M6 20* Vehicle power 4
M7 5* Hydromax motor monitor
M8 20* Vehicle power 2
M9 20* Vehicle power 1
M10 10* Air conditioning
M11 5* Powertrain control module relay keep alive power
M12 20* Parking lamps
D1 Diode One-touch start
D2 Diode Fuel pump
D3 Diode Air conditioning
R2-1 Not used
J1 30** Powertrain control module vehicle power
J2 20** Fuel pump
J3 20** Cigar lighter power point.  Diagnostic connector
J4 40** Blower motor
J5 30** Headlamps
J6 40** Ignition switch feeds
J7 40** Ignition switch feeds
J8 50** Instrument panel fuse box
J9 30** Starter motor solenoid
J10 40** 3–channel anti-lock brake system modul
60** 4–channel anti-lock brake system module (Hydromax)
J11 30** Trailer tow electronic brake
J12 60** Lighting
J13 20** Vehicle power 3
J14 20** Horn
J15 20** 3–channel anti-lock brake system module
60** 4–channel anti-lock brake system module
J16 20** Trailer tow parking lamps
*Mini fuse.
**J-case fuse.

Diode and relay module

Ford F-series F53 Motorhome Chassis (2015) - Diode and relay module

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

Relay location Protected components
1 One-touch integrated start (ATO diode)
2 Not used
3 Not used
4 Daytime running lamps power relay
5 Hydromax – brake on/off signal isolating relay
6 Reverse lamps relay
7 Starter ground relay
8 Trailer tow parking lamps relay

Fuse holder module

Locate the fuse holder next to the diode and relay module.

Fuse Ampere rating [A] Protected components
1 10 Hydromax – brake on/off signal

Passenger compartment fuse panel

Ford F-series F53 Motorhome chassis (2015) - Fuse panel passeneger compartment

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.

Fuse or relay Ampere rating [A] Protected components
1 20 Body builder battery (+12V) feed
2 20 Flasher run
3 15 Left turn
4 15 Blower relay coil
5 15 Right turn
6 10 ABS run
7 10 Body builder headlamp
8 5 Daytime running lamps
9 10 Body builder headlamp
10 Not used
11 10 Cluster battery (+12V) #1
12 5 UPS BTSI
13 10 Cluster battery (+12V) #2
14 10 Switch illumination
15 20 Body builder battery (+12V) feed
16 Not used
17 20 Trailer tow run
18 10 Body builder run
19 10 Brake lamp feed
20 10 Body builder run
21 10 R/S
22 30 Wiper module battery (+12V)
23 10 Reverse lamps
24 5 Body builder radio
25 10 Trailer tow reverse lamps
26 10 Cluster R/S
27 20 Daytime running lamps
Relay 1 Daytime running lamps.  Parking brake
Relay 2 Daytime running lamps on/off
Relay 3 Right-hand direction indicator
Relay 4 Trailer tow right-hand direction indicator
Relay 5 Left-hand direction indicator
Relay 6 Trailer tow left-hand direction indicator
Relay 7 Not used
Relay 8 Not used
Relay 9 Not used
Diode 1 Not used
Diode 2 Not used
Diode 3 Not used

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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