Protected ComponentsFuse RatingFuse or RelayNumber
Auxiliary switch #4 relay.—7
Auxiliary switch #3 relay.—8
Modified vehicle and stripped chassis run/start relay.—9
Cooling fan relay (6.2L engine).—10
Cooling fan (6.2L engine).50A111
Modified vehicle and stripped chassis run/start.40A212
Starter solenoid relay.30A213
Run/start relay.40A214
Modified vehicle and stripped chassisbattery.40A215
Auxiliary air conditioning blower.50A216
Trailer tow battery charge.50A217Trailer tow park feed.
Electric trailer brake.30A218Trailer brake controller.
Auxiliary switch #1.30A219
Auxiliary switch #2.30A220
Fuel pump (6.2L).20A221
Not used.—22
Air conditioning clutch relay.—23
Horn relay (stripped chassis).—24
Run/start relay.—25
Not used.—26
Not used.—27
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Fuses
Protected ComponentsFuse RatingFuse or RelayNumber
Back-up lamp.20A328
Air conditioning clutch.10A329
Brake on/off switch.10A330
Cluster battery (stripped chassis).10A331
Blower motor.50A232
Anti-lock brake system pump.40A233
Stripped chassis horn.20A234
Powertrain control module relay.40A235
Ignition switch (stripped chassis).20A236
Trailer tow left-hand side stop lamp anddirection indicator lamp relay.—37
Trailer tow right-hand side stop lamp anddirection indicator lamp relay.—38
Back-up lamp relay.—39
Blower motor relay.—40
Not used.—41
Diagnostic connector (stripped chassis).15A342
Fuel pump (6.8L).20A343
Auxiliary switch #3.10A344
Auxiliary switch #4.15A345
Powertrain control module keep alivememory power.10A346
Canister vent control valve.Powertrain control module relay coil.
Anti-lock brake system relay coil.40A247
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Fuses
Protected ComponentsFuse RatingFuse or RelayNumber
Trailer tow stop lamp and direction indic-ator lamps.20A248
Wiper motor.30A249
Not used.—50
Cutaway.20A251
Modified vehicle and stripped chassis run/start relay coil.10A352
Anti-lock brake system run/start feed.10A353
Fuel pump relay coil.10A354
Not used.—55
Not used.—56
Trailer tow park lamp.20A357
Trailer tow back-up lamp.15A358
Not used.—59
Not used.—60
Not used.—61
Auxiliary switch #2 relay.—62
Trailer tow battery charge.30A263
Not used.—64
Power point 2 (glove box).20A265
Power point 3 (cutaway B+).20A266
Power point 1 (instrument panel).20A267
Modified vehicle.50A268
Not used.—69
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Fuses
Protected ComponentsFuse RatingFuse or RelayNumber
Headlamp high beams.15A23
Horn (except stripped chassis).20A24
Demand lighting.10A25
Cluster (except stripped chassis).10A26
Ignition switch feed.20A27
Audio mute (start).5A28
Cluster (except stripped chassis).5A29
Not used (spare).5A30
Not used (spare).10A31
Restraints module.10A32
Trailer brake controller.10A33
Not used (spare).5A34
Cutaway run/start.10A35
Passive anti-theft system radio frequencymodule.5A36
Climate control.10A37Stripped chassis #1 run/start.
Not used (spare).20A38
Radio.20A39
Not used (spare).20A40
Radio.15A41Switch illumination.Automatic dimming rear view mirror.Power inverter.
Auxiliary switch.10A42
Stripped chassis instrument panelconnector #1.10A43
Trailer tow battery charge relay.10A44
Wipers.5A45
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Fuses
Coolant Change
At specific mileage intervals, as listed inthe scheduled maintenance information,the coolant should be changed. Addprediluted coolant approved to the correctspecification. See Capacities andSpecifications (page 194).
Fail-Safe Cooling
Fail-safe cooling allows you to temporarilydrive your vehicle before any incrementalcomponent damage occurs. The fail-safedistance depends on ambienttemperature, vehicle load and terrain.
How Fail-Safe Cooling Works
If the engine begins to overheat, thecoolant temperature gauge moves towardthe red zone:
A warning lamp illuminates anda message may appear in theinformation display.
If the engine reaches a presetover-temperature condition, the engineautomatically switches to alternatingcylinder operation. Each disabled cylinderacts as an air pump and cools the engine.
When this occurs, your vehicle stilloperates, however:
•Engine power is limited.
•The air conditioning system turns off.
Continued operation increases the enginetemperature, causing the engine tocompletely shut down. Your steering andbraking effort increases in this situation.
When the engine temperature cools, youcan re-start the engine. Have your vehiclechecked as soon as possible to minimizeengine damage.
When Fail-Safe Mode Is Activated
WARNINGS
Fail-safe mode is for use duringemergencies only. Operate yourvehicle in fail-safe mode only as longas necessary to bring your vehicle to restin a safe location and seek immediaterepairs. When in fail-safe mode, yourvehicle will have limited power, will not beable to maintain high-speed operation, andmay completely shut down withoutwarning, potentially losing engine power,power steering assist, and power brakeassist, which may increase the possibilityof a crash resulting in serious injury.
Never remove the coolant reservoircap when the engine is running orhot.
Your vehicle has limited engine powerwhen in the fail-safe mode, drive yourvehicle with caution. Your vehicle does notmaintain high-speed operation and theengine may operate poorly.
Remember that the engine is capable ofautomatically shutting down to preventengine damage. In this situation:
1. Pull off the road as soon as safelypossible and switch the engine off.
2. If you are a member of a roadsideassistance program, we recommendthat you contact your roadsideassistance service provider.
3. If this is not possible, wait a shortperiod for the engine to cool.
4. Check the coolant level. If the coolantlevel is at or below the minimum mark,add prediluted coolant immediately.
5. When the engine temperature cools,you can re-start the engine. Have yourvehicle checked as soon as possible tominimize engine damage.
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Maintenance
Note:Driving your vehicle without repairincreases the chance of engine damage.
Engine Coolant TemperatureManagement (If Equipped)
WARNING
To reduce the risk of crash and injury,be prepared that the vehicle speedmay reduce and the vehicle may notbe able to accelerate with full power untilthe coolant temperature reduces.
If you tow a trailer with your vehicle, theengine may temporarily reach a highertemperature during severe operatingconditions, for example ascending a longor steep slope in high ambienttemperatures.
At this time, you may notice the coolanttemperature gauge moves toward the redzone and a message may appear in theinformation display.
You may notice a reduction in vehiclespeed caused by reduced engine power inorder to manage the engine coolanttemperature. Your vehicle may enter thismode if certain high-temperature andhigh-load conditions take place. Theamount of speed reduction depends onvehicle loading, grade and ambienttemperature. If this occurs, there is no needto pull off the road. You can continue todrive your vehicle.
The air conditioning may automaticallyturn on and off during severe operatingconditions to protect the engine fromoverheating. When the coolanttemperature decreases to the normaloperating temperature, the air conditioningturns on.
If the coolant temperature gauge movesfully into the red zone, or if the coolanttemperature warning or service enginesoon messages appear in your informationdisplay, do the following:
1. Pull off the road as soon as safelypossible and shift the transmission intopark (P).
2. Leave the engine running until thecoolant temperature gauge needlereturns to the normal position. If thetemperature does not drop afterseveral minutes, follow the remainingsteps.
3.Switch the engine off and wait for it tocool. Check the coolant level.
4. If the coolant level is at or below theminimum mark, immediately addprediluted coolant.
5. If the coolant level is normal, restartthe engine and continue driving.
AUTOMATIC TRANSMISSION
FLUID CHECK
Have an authorized dealer check andchange the transmission fluid and filter atthe correct service interval. SeeScheduled Maintenance (page 270).
Do not use supplemental transmissionfluid additives, treatments or cleaningagents. The use of these materials mayaffect transmission operation and resultin damage to internal transmissioncomponents.
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Maintenance
•Dry your vehicle with a chamois or softterry cloth towel to eliminate waterspotting.
•Immediately remove fuel spillages, birddroppings, insect deposits and road tar.These may cause damage to yourvehicle’s paintwork or trim over time.We recommend Motorcraft Bug andTar Remover.
•Remove any exterior accessories, forexample antennas, before entering acar wash.
•When filling with AdBlue®, remove anyresidue on painted surfacesimmediately.
Note:Suntan lotions and insect repellentscan damage painted surfaces. If thesesubstances come in contact with yourvehicle, wash the affected area as soon aspossible.
Cleaning the Headlamps
Note:Do not scrape the headlamp lensesor use abrasives, alcoholic solvents orchemical solvents to clean them.
Note:Do not wipe the headlamps whenthey are dry.
Exterior Chrome Parts
•Apply a high quality-cleaning productto bumpers and other chrome parts.Follow the manufacturer’s instructions.We recommend Motorcraft CustomBright Metal Cleaner.
•Do not apply the cleaning product tohot surfaces. Do not leave the cleaningproduct on chrome surfaces longerthan the time recommended.
•Using non-recommended cleaners canresult in severe and permanentcosmetic damage.
Note:Never use abrasive materials, forexample steel wool or plastic pads as theycan scratch the chrome surface.
Note:Do not use chrome cleaner, metalcleaner or polish on wheels or wheel covers.
Exterior Plastic Parts
For routine cleaning we recommendMotorcraft Detail Wash. If tar or greasespots are present, we recommendMotorcraft Bug and Tar Remover.
Stripes or Graphics (If Equipped)
Hand washing your vehicle is preferredhowever, pressure washing may be usedunder the following conditions:
•Do not use water pressure higher than2,000 psi (14,000 kPa).
•Do not use water hotter than 179°F(82°C).
•Use a spray with a 40° wide sprayangle pattern.
•Keep the nozzle at a 12 in (305 mm)distance and 90° angle to yourvehicle's surface.
Note:Holding the pressure washer nozzleat an angle to the vehicle's surface maydamage graphics and cause the edges topeel away from the vehicle's surface.
Underbody
Regularly clean the underside of yourvehicle using water. Keep body and doordrain holes free of debris or foreignmaterial.
Under Hood
For removing black rubber marks fromunder the hood we recommend MotorcraftWheel and Tire Cleaner or Motorcraft Bugand Tar Remover.
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Vehicle Care
Note:Stay out of the trajectory (1)as indicated in the illustration.
Inspecting Your Tires andWheel Valve Stems
Periodically inspect the tire treadsfor uneven or excessive wear andremove objects such as stones,nails or glass that may be wedgedin the tread grooves. Check the tireand valve stems for holes, cracks,or cuts that may permit airleakage and repair or replace thetire and replace the valve stem.Inspect the tire sidewalls forcracking, cuts, bruises and othersigns of damage or excessivewear. If internal damage to the tire
is suspected, have the tiredemounted and inspected in caseit needs to be repaired or replaced.For your safety, tires that aredamaged or show signs ofexcessive wear should not be usedbecause they are more likely toblow out or fail.
Improper or inadequate vehiclemaintenance can cause tires towear abnormally. Inspect all yourtires, including the spare,frequently, and replace them ifone or more of the followingconditions exist:
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Wheels and TiresE161438
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