2019 FORD F-59 Start

Protected ComponentFuse RatingFuse or RelayNumber
(Power distribution box fuse #F19, F22,F21).
Not used.—J14
Instrument panel battery feed (fuse #F3,F5).60A2J15
Lighting primary fuse.
Horn.20A2J16
Ignition switch feed (instrument panelfuses F20, F22, F24, F26, F18).40A2J17
Brake on/off switch.20A2J18Multifunction switch.
Not used.—J19
Not used.—J20
Not used.—J21
Reverse lamp relay coil.20A2J22A/C clutch relay coil.A/C demand switch.
Horn relay.—R1
Fuel pump relay.—R2
Starter relay.—R3
Backup lamps relay.—R4
Brake on/off signal isolating relay(Hydromax).—R5
Trailer tow parking lamps relay.—R6
Not used.—R7
A/C clutch relay.—R8
Not used.—R9
Starter relay.—R10
Blower motor relay.—R11
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-Fuses

Protected ComponentFuse RatingFuse or RelayNumber
Daytime running lamp/headlamp relay.—R12
Powertrain control module relay.—R13
Fuel pump diode.—D1
Air conditioning clutch diode.—D2
Not used.—D3
Not used.—C1
1 Mini fuse.2 J case fuse.
UPS Power Distribution Box 1
Protected ComponentFuse RatingFuse or RelayNumber
Powertrain control module.RelayR1
Daytime running lamps.RelayR2
Starter motor.RelayR3
Blower motor.RelayR4
Horn.RelayR5
Fuel pump.RelayR6
Starter ground.RelayR7
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-FusesE172543

Protected ComponentFuse RatingFuse or RelayNumber
Trailer tow backup lamp feed.
Daytime running lamps.20A1M2
4–channel anti-lock brake system module(Hydromax).30A1M3
Powertrain control module run/start.20A1M4Fuel pump relay coil.Fuel pump diode.
Brake lamps.10A1M5
Radio capacitors.20A1M6Ignition coils.
Backup lamp relay coil.20A1M7Air conditioning clutch coil.Air conditioning demand switch.
Catalyst monitor sensor.20A1M8Engine heated exhaust gas oxygen sensor#11 and #21.Canister vent valve.Vapor management valve.
Powertrain control module power.20A1M9
Brake shift interlock.5A1M10
Powertrain control module relay keep alivepower.5A1M11
Powertrain control module relay coil.
Parking lamps feed.20A1M12
Not used.DiodeD1
Fuel pump.DiodeD2
Air conditioning clutch.DiodeD3
Not used.—R2-1
Powertrain control module relay feed(power distribution box fuse M6, M7, M8,M9).
30A2J1
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-Fuses

Protected ComponentFuse RatingFuse or RelayNumber
Fuel injectors.20A2J2Fuel pump motor.Mass airflow sensor.Powertrain control module.
Cigar lighter power point.20A2J3Diagnostic connector.
Blower motor.40A2J4
Headlamps.30A2J5Daytime running lamps on/off relay coil.Headlamp daytime running lamp relayfeed.High beam headlamps flash to pass.
Ignition switch feeds.40A2J6
Ignition switch feeds.40A2J7
Instrument panel fuses F11, F13, F15, F17.50A2J8
Starter motor solenoid.30A2J9
Power distribution box fuse M1-1.60A2J10Power brake assist motor (HydroMax).
Trailer tow electronic brake.30A2J11
Lighting primary.60A2J12
Brake on/off signal.20A2J13Hazard lamps.
Horn.20A2J14
HydroMax anti-lock brake system module.60A2J15
Trailer tow parking lamps.20A2J16
1 Mini fuse.2 J case fuse.
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-Fuses

Diode and Relay ModuleLocate the module box with the powerdistribution box in from of the radiator.
Protected ComponentRelay Number
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 andrelay module.
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-FusesE224614

Protected ComponentFuse RatingFuse or RelayNumber
Multifunction switch.20A11
Not used.—2
Not used.—3
Instrument cluster.10A14
Body builder accessory feed (accessoryand run).10A15
Not used.—6
Blower motor relay coil.15A17
Brake lamps feed.10A18Trailer brake control moduleBrake on/off signal.Trailer turn relay coils.
Not used.—9
Instrument cluster memory.10A110
Wiper/washer module.30A111Wiper feed.
Not used.—12
Anti-lock brake system module –HydroMax.10A113
Anti-lock brake system module – Hydro-boost.10A114
Instrument cluster run/start.
Left-hand direction indicator feed.15A115
Body builder battery (+12V) feed.20A116
Body builder radio feed.5A117
Not used.—18
Daytime running lamps relays.5A119
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-Fuses

Protected ComponentFuse RatingFuse or RelayNumber
Headlamps hi-beam.
Daytime running lamps.Micro relayR1Parking brake.
Daytime running lamps on/off.Micro relayR2
Right-hand direction indicator.Micro relayR3
Trailer tow right-hand direction indicator.Micro relayR4
Left-hand direction indicator.Micro relayR5
Trailer tow left-hand direction indicator.Micro relayR6
Not used.—R7
Not used.—R8
Not used.—R9
Not used.—D1
Not used.—D2
Not used.—D3
CHANGING A FUSE
Fuses
WARNING: Always replace a fusewith one that has the specifiedamperage rating. Using a fuse with ahigher amperage rating can cause severewire damage and could start a fire.
If electrical components in the vehicle arenot working, a fuse may have blown. Blownfuses are identified by a broken wire withinthe fuse. Check the appropriate fusesbefore replacing any electricalcomponents.
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GENERAL INFORMATION
Have your vehicle serviced regularly to helpmaintain its roadworthiness and resalevalue. There is a large network ofauthorized dealers that are there to helpyou with their professional servicingexpertise. We believe that their speciallytrained technicians are best qualified toservice your vehicle properly and expertly.They are supported by a wide range ofhighly specialized tools developedspecifically for servicing your vehicle.
If your vehicle requires professional service,an authorized dealer can provide thenecessary parts and service. Check yourwarranty information to find out whichparts and services are covered.
Use only recommended fuels, lubricants,fluids and service parts conforming tospecifications. Motorcraft® parts aredesigned and built to provide the bestperformance in your vehicle.
Precautions
•Do not work on a hot engine.
•Make sure that nothing gets caught inmoving parts.
•Do not work on a vehicle with theengine running in an enclosed space,unless you are sure you have enoughventilation.
•Keep all open flames and other burningmaterial (such as cigarettes) awayfrom the battery and all fuel relatedparts.
Working with the Engine Off
1.Set the parking brake and shift thetransmission to park (P).
2.Switch off the engine.
3.Block the wheels.
Working with the Engine On
WARNING: To reduce the risk ofvehicle damage and personal burninjuries, do not start your engine with theair cleaner removed and do not removeit while the engine is running.
1.Set the parking brake and shift thetransmission to park (P).
2.Block the wheels.
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Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-Maintenance