2014 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS Owners Manual

Protected componentsFuse amp ratingFuse or relay number
Backup lamp feed.20A**18Tow/haul switch.Transmission control indicator light.
Not used.—19
Powertrain control module relay coil.30A**20Powertrain control module relay (Powerdistribution box fuses # 3, 5, 7, 18).
Fuel injectors.20A**21Fuel pump motor.
Cigar lighter feed.20A**22Diagnostic tool connector.
Blower motor feed.40A**23
Instrument panel battery feed (fuses #4,10, 16, 22).50A**24
Ignition switch feed (Instrument panelfuses #1, 5, 7, 11, 13, 14, 17, 19, 23; Powerdistribution box fuses #9, 11).
40A**25
Ignition switch feed (Instrument panelfuses #5, 11, 17, 23, 26, 38).40A**26
Multi-function switch (headlamps).30A**27
Starter solenoid.30A**28
Power brake assist motor – Hydromax.60A**29
Anti-lock brake system module – Hydro-boost.40A**
Air conditioning clutch relay.—R1
Fuel pump relay.—R2
Horn relay.—R3
Starter relay.—R4
Blower motor relay.—R5
Powertrain control module relay.—R6
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Protected componentsFuse amp ratingFuse or relay number
Fuel pump diode.—Diode 1
Air conditioning clutch diode.—Diode 2
*Mini fuses.
**Maxi fuses.
UPS Power Distribution Box 1
Protected componentsFuse amp ratingFuse or relay number
Powertrain control module.RelayR1
Daytime running lamps.RelayR2
Starter motor.RelayR3
Blower motor.RelayR4
Horn.RelayR5
Fuel pump.RelayR6
Starter ground.RelayR7
Trailer tow parking lamps.RelayR8
Back-up lamps.RelayR9
Not used.RelayR10
Not used.RelayR11
Air conditioning.RelayR12
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Protected componentsFuse amp ratingFuse or relay number
Hydromax brake on/off relay.10AM1-1
Not used.—M1-2
Not used.—M1-3
Not used.—M1-4
UPS Power Distribution Box 2
Protected componentsFuse amp ratingFuse or relay number
Back-up lamps.25A*M1
Daytime running lamps.20A*M2
4–channel anti-lock brake system module(Hydromax).30A*M3
Powertrain control module run/start.20A*M4Fuel pump relay coil.
Starter relay coil.10A*M5
Vehicle power 4.20A*M6
Hydromax motor monitor.5A*M7
Vehicle power 2.20A*M8
Vehicle power 1.20A*M9
Air conditioning.10A*M10
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Protected componentsFuse amp ratingFuse or relay number
Powertrain control module relay keep alivepower.5A*M11
Parking lamps.20A*M12
One-touch start.DiodeD1
Fuel pump.DiodeD2
Air conditioning.DiodeD3
Not used.—R2-1
Powertrain control module vehicle power.30A**J1
Fuel pump.20A**J2
Cigar lighter power point.20A**J3Diagnostic connector.
Blower motor.40A**J4
Headlamps.30A**J5
Ignition switch feeds.40A**J6
Ignition switch feeds.40A**J7
Instrument panel fuse box.50A**J8
Starter motor solenoid.30A**J9
3–channel anti-lock brake system module.40A**J10
4–channel anti-lock brake system module(Hydromax).60A**
Trailer tow electronic brake.30A**J11
Lighting.60A**J12
Vehicle power 3.20A**J13
Horn.20A**J14
3–channel anti-lock brake system module.40A**J15
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Protected componentsFuse amp ratingFuse or relay number
4–channel anti-lock brake system module.60A**
Trailer tow parking lamps.20A**J16
*Mini fuse.**J-case fuse.
Diode and Relay Module
Locate the module box with the powerdistribution box in from of the radiator.
Protected componentsRelay location
One-touch integrated start (ATO diode).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
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Fuse Holder ModuleLocate the fuse holder next to the diodeand relay module.
Protected componentsFuse amp ratingFuse number
Hydromax – brake on/off signal.10A1
Passenger Compartment FusePanel
Locate this fuse panel below and to theleft of the steering wheel near the brakepedal. Remove the panel cover to accessthe fuses.
To remove a fuse, use the fuse panelcover's fuse puller tool.
Protected componentsFuse amp ratingFuse or relay number
Body builder rear direction indicator andstop lamp feeds.20A1
Direction indicators.
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Protected componentsFuse amp ratingFuse or relay number
Direction indicators and stop lamps.
Not used.—2
Not used.—3
Instrument cluster.10A4
Body builder accessory feed (accessoryand run).10A5
Not used.—6
Blower motor relay coil.15A7
Brake lamps feed.10A8
Stop lamps: Vehicle direction indicatorsand stop lamps, Body builder rear directionindicators and stop feeds, Body builderstop lamp feed.
20A9
Instrument cluster memory.10A10
Wiper/washer module.30A11Wiper feed.
Not used.—12
Anti-lock brake system module –Hydromax.10A13
Anti-lock brake system module – Hydro-boost.10A14
Instrument cluster power.Instrument cluster warning lamps.Warning indicator module.
Left-hand direction indicator feed.15A15
Body builder battery (+12V) feed.20A16
Body builder radio feed.5A17
Not used.—18
Daytime running lamps relays.5A19
Not used.—20
Right-hand direction indicator feed.15A21
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Protected componentsFuse amp ratingFuse or relay number
Trailer tow direction indicators.20A22
Cluster run/accessory.10A23
Not used.—24
Body builder right-hand low beam head-lamp feed.10A25
Brake shift interlock actuator.10A26
Not used.—27
Not used.—28
Not used.—29
Not used.—30
Body builder left-hand low beam head-lamp feed.10A31
Not used.—32
Reverse lamps.10A33
Body builder reverse gear.10A34Trailer tow reverse lamps.
Body builder high beam feed.20A35High beam indicator.
Not used.—36
Not used.—37
Body builder run feed.10A38
Not used.—39
Not used.—40
Instrument cluster lighting.10A41
Not used.—42
Not used.—43
Not used.—44
Trailer tow right-hand direction indicator.—Relay 1
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