Page 274 of 352

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
45 30A** Driver seat
46 40A** Run/Start bus bar
47 30A** Air suspension – solenoids
48 20A** Passenger side HID headlamp
49 30A** Front wipers/washer
50 30A** PCM – bus bar
51 20A** Cargo power point
52 20A** Cigarette lighter
53 — Air suspension relay
54 — Starter relay
55 — Trailer tow connector relay (park lamp)
56 — Trailer tow connector relay (battery charge)
57 — Run/Start relay
58 — Not used
59 — PCM relay
60 — One-touch Start diode
61 — Not used
62 — Fuel pump diode
63 15A* Trailer tow connector (back-up lamp)
64 — Not used
65 10A* Air suspension logic
66 — Not used
67 10A* Blower coil
68 — Not used
69 30A*
Run/Start – passenger compartment fuse panel
70 20A* PCM (sensors) – EFC, A/C clutch coil
71 5A* Fuel coil, ISP-R
72 20A* PCM (ignition coils)
73 5A* Transmission ignition
74 20A* PCM (sensors) – HEGO/CMS, MAFS, EVMV,
CMCV, Speed deactivation switch, VCT
2008 Navigator(nav)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
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Page 275 of 352

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
75 5A* 4x4 Integrated Wheel Ends (IWE) solenoid
76 20A* PCM – VPWR
77 10A* ABS logic, Heated PCV
* Mini Fuses ** Cartridge Fuses
CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
Note:The tire pressure monitoring system (TPMS) indicator light will
illuminate when the spare tire is in use. To restore the full functionality
of the monitoring system, all road wheels equipped with tire pressure
monitoring sensors must be mounted on the vehicle.
Have a flat serviced by an authorized dealer in order to prevent damage
to the TPMS sensors, refer toTire Pressure Monitoring System
(TPMS)in theTires, Wheels and Loadingchapter. Replace the spare
tire with a road tire as soon as possible.
The use of tire sealants may damage your Tire Pressure
Monitoring System and should not be used.
Refer toTire Pressure Monitoring System (TPMS)in theTires,
Wheels and Loadingchapter for important information. If the tire
pressure monitor sensor becomes damaged, it will no longer function.
Dissimilar spare tire/wheel information
Failure to follow these guidelines could result in an increased
risk of loss of vehicle control, injury or death.
If you have a dissimilar spare tire/wheel, then it is intended for
temporary use only. This means that if you need to use it, you should
replace it as soon as possible with a road tire/wheel that is the same size
and type as the road tires and wheels that were originally provided by
Ford. If the dissimilar spare tire or wheel is damaged, it should be
replaced rather than repaired.
2008 Navigator(nav)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
275
Page 351 of 352

Preparing to drive your
vehicle ........................................246
R
Radio ............................................20
Rear seat entertainment
system ..........................................35
Rear video camera ....................254
Rear window defroster ...............71
Relays ........................................268
Remote entry system ...............128
illuminated entry ....................135
locking/unlocking
doors ................................128–129
opening the trunk ...........130–131
panic alarm .............................131
replacement/additional
transmitters .............................134
replacing the batteries ...........133
Reverse sensing system ...........251
Roadside assistance ..................265
Roll stability control .................240
Roof rack ...................................123
S
Safety Belt Maintenance ..........166
Safety belts (see Safety
restraints) ..157, 159–160, 162–164
Safety Canopy ...................175, 177
Safety defects, reporting ..299–300
Safety
restraints ...157, 159–160, 162–164
Belt-Minder...........................167
extension assembly ................165
for adults .................160, 162–163
for children .....................180–181safety belt maintenance .........166
warning light and
chime ...............................166–167
Safety seats for children ..........184
Safety Compliance
Certification Label ....................343
Satellite Radio Information ........33
Seats ..........................................142
child safety seats ....................184
climate control ........................146
memory seat ...................132, 145
SecuriLock passive anti-theft
system ................................138–140
Servicing your vehicle ..............308
Snowplowing .................................7
Spark plugs,
specifications .....................338, 342
Special notice
utility-type vehicles ....................8
Specification chart,
lubricants ...................................339
Speed control ..............................96
Stability system .........................240
Starting your vehicle ........232–234
jump starting ..........................284
Steering wheel
controls ......................................99
tilting .........................................84
T
Tire Pressure Monitoring
System (TPMS)
Driving .....................................261
Tires, Wheels and Loading ....212
Warning Displays ..............12, 114
Tires ...........................197–198, 275
2008 Navigator(nav)
Owners Guide (post-2002-fmt)
USA(fus)
Index
351