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Anti-lock brake system (ABS)
Momentarily illuminates when the
ignition is turned to the ON position
to indicate a system check. If the
light remains on, continues to flash
or fails to illuminate, have the
system serviced immediately. With the ABS light on, the anti-lock brake
system is disabled and normal braking is still effective unless the brake
warning light also remains illuminated with the parking brake released.
Turn signal
Illuminates when the left or right
turn signal or the hazard lights are
turned on. If one or both of the
indicators stay on continuously or
flash faster, check for a burned-out
turn signal bulb. Refer toBulbsin theMaintenance and carechapter.
High beams
Illuminates when the high beam
headlamps are turned on.
Charging system
Illuminates when the ignition is
turned to the ON position and the
engine is off. The light also
illuminates when the battery is not
charging properly, requiring
electrical system service.
Four wheel drive low (if equipped)
Momentarily illuminates after the
engine is STARTED. Illuminates
when four-wheel drive low is
engaged. If the light continues to
flash have the system serviced.
ABS
LOW
RANGE
Instrumentation
13
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Allow the vehicle to sit for at least eight hours without starting the
engine. Then, start the engine and complete the above driving cycle. The
engine must warm up to its normal operating temperature. Once started,
do not turn off the engine until the above driving cycle is complete.
BULBS
Replacing exterior bulbs
Check the operation of the following lamps frequently:
•Headlamps
•High-mount brakelamp
•Brakelamps
•Turn signals
•License plate lamp
•Tail lamps
•Back-up lamps
Do not remove lamp bulbs unless they can be replaced immediately with
new ones. If a bulb is removed for an extended period of time,
contaminants may enter the lamp housings and affect lamp performance.
Replacing headlamp bulbs (aerodynamic)
1. Make sure that the headlamp control is in the OFF position.
2. Open the hood.
3. Disconnect the electrical connector from the bulb by pulling rearward.
4. Remove bulb retainer ring by
turning it counterclockwise, then
slide the ring off the plastic base.
5. Without turning, carefully pull
bulb out of headlamp assembly.
Maintenance and care
237
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6. Remove the four screws and the
headlamp retaining ring from
headlamp.
7. Disconnect the electrical
connector and remove headlamp.
To install the new headlamp, reverse the removal procedure.
Replacing front parking/turn signal bulbs
1. Make sure headlamp switch is in OFF position.
2. Open the hood.
3. Remove the two screws and
carefully disengage parking
lamp/turn signal assembly from the
vehicle.
4. Rotate bulb socket
counterclockwise about
1 4turn and
remove from lamp assembly.
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239
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5. Carefully pull bulb straight out of
the socket and push in the new
bulb.
6. Install the bulb socket in lamp
assembly by turning clockwise.
7. Align the lamp assembly on the
vehicle.
8. Install two screws on parking
lamp/turn signal assembly.
Replacing tail lamp/turn/backup lamp bulbs — F250/F350 only
The tail lamp/backup lamp bulbs are
located in the same portion of the
tail lamp assembly, one just below
the other. Follow the same steps to
replace either bulb:
1. Open the tailgate to expose the
lamp assemblies.
2. Remove the two bolts from the
tail lamp assembly.
3. Carefully pull the lamp assembly
from the tailgate pillar by releasing
the two retaining tabs.
4. Twist the bulb socket
1 4turn counterclockwise and remove from lamp
assembly.
5. Pull the bulb straight out of the socket and push in the new bulb.
6. Install bulb socket in lamp assembly by turning clockwise.
7. Carefully install the tail lamp assembly on tailgate pillar snapping the
two retaining tabs into place.
8. Secure the tail lamp with two bolts.
Maintenance and care
240
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calculating .......................154, 156
definition .................................154
driving with a heavy load ......154
location ....................................154
H
Hazard flashers .........................168
Headlamps ...................................24
aiming ......................................243
autolamp system .......................24
daytime running lights .............25
flash to pass ..............................25
high beam ...........................13, 25
replacing bulbs ...............237–238
turning on and off ....................24
warning chime ..........................15
Heating ........................................29
heater only system ...................29
heating and air conditioning
system .......................................31
Hood ..........................................199
I
Ignition .................................71, 256
removing the key ....................144
Infant seats
(see Safety seats) .....................118
Inspection/maintenance (I/M)
testing ........................................236
Instrument panel
cleaning ...................................247
cluster ................................10, 247
lighting up panel and
interior .......................................26
location of components ............10J
Jack ............................................179
positioning ...............................179
storage .....................................179
Jump-starting your vehicle ......191
K
Keys
key in ignition chime ...............15
positions of the ignition ...........71
removing from the ignition ....144
L
Lamps
autolamp system ...............24, 237
bulb replacement
specifications chart ................243
cargo lamps ...............................26
daytime running light ...............25
fog lamps ...................................26
headlamps .................................24
headlamps, flash to pass ..........25
instrument panel, dimming .....26
replacing bulbs ...............237–242
Lane change indicator
(see Turn signal) ........................72
Lights, warning and indicator ....10
air bag ........................................11
anti-lock brakes (ABS) ....13, 132
brake ..........................................12
charging system ........................13
check coolant ............................14
cruise indicator .........................14
door ajar ....................................14
engine oil pressure ...................14
high beam .................................13
low fuel ......................................10
Index
281