2015 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS fuse

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

Protected componentsFuse amp ratingFuse or relay number
Right-hand direction indicator.—Relay 3
Trailer tow right-hand direction indicator.—Relay 4
Left-hand direction indicator.—Relay 5
Trailer tow left-hand direction indicator.—Relay 6
Not used.—Relay 7
Not used.—Relay 8
Not used.—Relay 9
Not used.—Diode 1
Not used.—Diode 2
Not used.—Diode 3
CHANGING A FUSE
Fuses
WARNING
You must replace a failed fuse withone that has the specified amperagerating. If you use a fuse with a higheramperage rating, you may cause severewire damage and may start a fire.
A fuse may fail if electrical components inthe vehicle are not properly working. Abroken wire inside the fuse indicates afailed fuse. Check the appropriate fusesbefore replacing any electricalcomponents.
70Motorhome (), enUSAFusesE142430

A
About This Manual...........................................3Protecting the Environment................................3ABSSee: Brakes.............................................................33ABS driving hintsSee: Hints on Driving With Anti-LockBrakes..................................................................33AccessoriesSee: Replacement PartsRecommendation..............................................6Adjusting the Steering Wheel......................8Audible Warnings and Indicators..............15Fail-Safe Cooling Warning Chime...................15Headlamps On Warning Chime.......................15Key in Ignition Warning Chime..........................15Parking Brake On Warning Chime...................15Automatic Transmission.............................29Brake-Shift Interlock............................................31If Your Vehicle Gets Stuck In Mud orSnow....................................................................32Understanding the Positions of YourAutomatic Transmission..............................29Automatic Transmission FluidCheck...............................................................78Adjusting automatic transmission fluidlevels....................................................................79Automatic transmission fluid filter................79Correct fluid level..................................................78High fluid level.......................................................79Low fluid level........................................................78
B
Brake Fluid Check...........................................79Hydroboost............................................................80Hydromax...............................................................80Parking brake fluid................................................81Brakes.................................................................33General Information............................................33Breaking-In.......................................................49
C
California Proposition 65...............................5
Capacities and Specifications -6.8L..................................................................114Specifications.......................................................115Capacities and Specifications..................110Car WashSee: Cleaning the Exterior................................86Changing a Fuse.............................................70Fuses.........................................................................70Changing a Road Wheel............................106Dissimilar Spare Wheel and Tire AssemblyInformation......................................................106Tire Change Procedure.....................................107Changing the 12V Battery............................82Battery relearn.......................................................83Changing the Engine Air Filter...................84Cleaning the Alloy Wheels..........................87Cleaning the Engine......................................86Cleaning the Exterior....................................86Cleaning Plastic Exterior Parts.......................86Exterior Chrome...................................................86Stripes or Graphics (if equipped)..................86Underbody.............................................................86Coolant CheckSee: Engine Coolant Check...............................75Cruise Control....................................................8Principle of Operation.........................................35Cruise controlSee: Using Cruise Control..................................35Customer Assistance...................................55
D
Daytime Running Lamps...............................11Direction Indicators..........................................11Driving Hints.....................................................49Driving Through Water.................................50DRLSee: Daytime Running Lamps...........................11
E
Economical Driving.......................................49Emission Control System............................26On-Board Diagnostics (OBD-II)......................27Readiness for Inspection/Maintenance(I/M) Testing......................................................27
137Motorhome (), enUSAIndex

Engine Coolant Check..................................75Adding Engine Coolant.......................................75Recycled Engine Coolant...................................76Severe Climates....................................................76What you Should Know About Fail-SafeCooling.................................................................77Engine Oil Check.............................................74Adding Engine Oil.................................................74Resetting the Oil Life MonitoringSystem.................................................................74Engine Oil Dipstick.........................................74Engine Specifications..................................110Drivebelt Routing.................................................110Essential Towing Checks............................44Before Towing a Trailer......................................46Hitches.....................................................................44Launching or Retrieving a Boat or PersonalWatercraft (PWC)..........................................46Safety Chains.........................................................45Trailer Brakes.........................................................45Trailer Lamps.........................................................45When Towing a Trailer.......................................46Export Unique Options...................................7Extended Service Plan (ESP)...................119SERVICE PLANS (CANADA ONLY).............120SERVICE PLANS (U.S. Only)...........................119
F
Ford Credit...........................................................5(U.S. Only).................................................................5Fuel and Refueling.........................................22Fuel Consumption.........................................25Calculating Fuel Economy................................25Filling the Tank......................................................25Fuel Filter...........................................................82Fuel Quality......................................................23Choosing the Right Fuel.....................................23Octane Recommendations..............................23Fuses....................................................................61Fuse Specification Chart..............................61Diode and Relay Module....................................67Passenger Compartment Fuse Panel..........68Power Distribution Box.......................................61
G
Gauges.................................................................12Engine Coolant Temperature Gauge.............13Engine Oil Pressure Gauge.................................12Fuel Gauge...............................................................13Speedometer..........................................................12Transmission Fluid TemperatureGauge....................................................................12General Maintenance Information..........121Multi-point Inspection.......................................123Owner Checks and Services...........................122Protecting Your Investment.............................121Why Maintain Your Vehicle?............................121Why Maintain Your Vehicle at YourDealership?.......................................................121Getting Assistance Outside the U.S. andCanada...........................................................58Getting the Services You Need.................55Away From Home................................................55
H
HandbrakeSee: Parking Brake...............................................34Hazard Warning Flashers............................52Hints on Driving With Anti-LockBrakes..............................................................33
I
Ignition Switch................................................20In California (U.S. Only)...............................56Information Displays......................................16General Information.............................................16Information Messages...................................17Engine........................................................................18Maintenance...........................................................18Transmission...........................................................19Instrument Cluster..........................................12Instrument Lighting Dimmer......................10Introduction........................................................3
138Motorhome (), enUSAIndex