2015 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS Owners Manual

Protected componentsFuse amp ratingFuse or relay number
Engine heated exhaust gas oxygen sensor#11 and #21.Mass air flow sensor with intake airtemperature.Vapor management valve.
Powertrain control module memory.5A*4Powertrain control module relay coil.
Powertrain control module power.20A*5
Instrument panel dimmer module.20A*6Instrument panel fuse #41.Park lamp feeds.Trailer tow running lamp relay coil.
Ignition coils.20A*7Radio capacitors.
Hydromax – Anti-lock brake systemmodule.30A*8
Powertrain control module.10A*9Starter ground relay coil.Starter main relay coil.
Daytime running lamps.20A*10
Fuel pump relay coil.20A*11Powertrain control module power.
Instrument panel - backup lamp feed.25A*12Trailer tow back-up lamps feed.
Trailer tow electric brake controller feed.30A**13
Instrument panel battery feed (fuse #9, 15,21).60A**14
Lighting primary fuse.
Trailer tow park lamps.20A**15
Anti-lock brake system module –Hydromax.60A**16
Anti-lock brake system module – Hydro-boost.40A**
Horn feed.20A**17
62Motorhome (), enUSAFuses

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
63Motorhome (), enUSAFuses

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
64Motorhome (), enUSAFusesE172543

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
65Motorhome (), enUSAFusesE172544

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
66Motorhome (), enUSAFuses

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
67Motorhome (), enUSAFusesE161520

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 battery (+12V) feed.20A1
Flasher run.20A2
Left turn.15A3
68Motorhome (), enUSAFusesE188334

Protected componentsFuse amp ratingFuse or relay number
Blower relay coil.15A4
Right turn.15A5
ABS run.10A6
Body builder headlamp.10A7
Daytime running lamps.5A8
Body builder headlamp.10A9
Not used.—10
Cluster battery (+12V) #1.10A11
UPS BTSI.5A12
Cluster battery (+12V) #2.10A13
Switch illumination.10A14
Body builder battery (+12V) feed.20A15
Not used.—16
Trailer tow run.20A17
Body builder run.10A18
Brake lamp feed.10A19
Body builder run.10A20
R/S.10A21
Wiper module battery (+12V).30A22
Reverse lamps.10A23
Body builder radio.5A24
Trailer tow reverse lamps.10A25
Cluster R/S.10A26
Daytime running lamps.20A27
Daytime running lamps.—Relay 1Parking brake.
Daytime running lamps on/off.—Relay 2
69Motorhome (), enUSAFuses