2008 FORD F750 high beam

Front of vehicle
Lights:Make sure all lights illuminate and are clean.
Make sure headlights function on both high
and low beams. Make sure reflectors are clean
and unbroken and of proper color (red on
rear, amber elsewhere). Make sure the running
lights are also clean and unbroken.
Steering gear:Look for missing or loose fasteners, power
steering fluid leaks and damage to power
steering hoses.
Steering linkage:Make sure connecting links, arms and rods are
not worn or cracked; joints, sockets and boot
seals are not worn or loose and that there are
no loose or missing cotter keys, nuts or bolts.
Tow hooks:Front and rear tow hooks should be inspected
for damage or loose mounting. This is
particularly important on vehicles where tow
hooks are frequently used.
Front suspension
Spring:Inspect for missing, broken or shifted leaves or
leaves that are in contact, or nearly contacting
a tire, rim, brake drum, frame or body
components.
Spring mount:Inspect spring hangers, bolts, bushings, axle
mounting bolts and nuts for cracks, breaks,
wear, damage and tightness.
Shock absorber:Inspect for cracks, leaks and missing or broken
bolts or bushings.
Note:Never apply grease to spring pads.
Do not operate the vehicle if any suspension conditions listed in
theFront suspensionchart are evident. Loss of steering or
suspension could result in property damage, personal injury or death.
2008 F-650/750(f67)
Supplement
USA(fus)
Vehicle Inspection Guide
15

Rear of vehicle
Air/Electric lines:Make sure that air hoses are not cut, cracked,
chafed or worn. Listen for audible air leaks,
Make sure air and electrical lines are not
tangled, crimped or pinched or being dragged
against any truck parts. Electrical line
insulation should not be cut, cracked, chafed
or worn. None of the air or electrical line
should be spliced or taped. Check for
corrosion on pins and in electrical sockets to
ensure continuity and reduced heat build-up
potential.
Deck plate:Make sure deck plate is clean, securely bolted
to the frame and clear of loose objects.
Signal/Brake lights:Make sure both brake lights illuminate when
the brake pedal is applied. Also, make sure
each signal flashes. Make sure that four-way
flashers work properly.
Lights, reflectors:Make sure all lights illuminate and are clean.
Make sure headlights function on both high
and low beams. Make sure reflectors are clean
and unbroken and of proper color (red on
rear, amber elsewhere). Make sure the running
lights are also clean and unbroken. Rear
running lights must be checked separately
from signal, flasher and brake lights.
Tractor - coupling system
Mounting bolts:Check for loose or missing mounting brackets,
clamps, bolts or nuts. Both fifth wheel and
slide mounting must be solidly attached.
Platform:Check for cracks or breaks in the platform
structure.
Safety latch:Make sure safety latch is engaged.
Release arm:Make sure safety latch is in the engaged
position and that any safety latch is in place.
2008 F-650/750(f67)
Supplement
USA(fus)
Vehicle Inspection Guide
18

Charging system:Illuminates when
the battery is not charging properly.
Diesel particulate filter
(Cummins engines only):
Illuminates if the soot in the DPF
has reached a level where it
requires operator assistance. Refer
toDiesel Particulate Filterin the
Maintenance and Specificationschapter and your engine operator’s
manual, for more details.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators stay on or flash faster, check for a burned out bulb.
High beams:Illuminates when the
high beam headlamps are turned on.
Safety belt warning chime:Sounds when the key is in the ignition and
the driver’s safety belt is not fastened.
Key-in-ignition warning chime:Sounds when the key is left in the
ignition in the OFF/LOCK or ACC position and the driver’s door is
opened.
Headlamps on warning chime:Sounds when the headlamps or parking
lamps are on, the ignition is off (and the key is not in the ignition) and
the driver’s door is opened.
2008 F-650/750(f67)
Supplement
USA(fus)
Instrument Cluster
26

HEADLAMP CONTROL
Turns the lamps off.
Turns on the parking lamps,
instrument panel lamps, license
plate lamps and tail lamps.
Turns the headlamps on.
High beams/Flash-to-pass
Push the lever toward the
instrument panel to activate the
high beams. Pull the lever towards
you to deactivate.
Pull toward you slightly to activate
flash-to-pass. Release to deactivate.
Daytime Running Lamps (DRL) (if equipped)
Turns the headlamps on with a reduced output.
To activate:
•the ignition must be in the ON position and
•the headlamp control is in the OFF, parking lamp or autolamp
position.
Always remember to turn on your headlamps at dusk or during
inclement weather. The Daytime Running Lamp (DRL) system
does not activate your tail lamps and generally may not provide
adequate lighting during these conditions. Failure to activate your
headlamps under these conditions may result in a collision.
2008 F-650/750(f67)
Supplement
USA(fus)
Lights
47

Fuse/Relay
LocationFuse Amp
RatingFuse Description
15 10A Interior lamp relay, GEM, Vanity mirrors
16 15A High beams, Indicator
17 — Not used
18 5A Headlamp switch interior lighting
19 15A Engine control
20 5A Starting system
21 10A DRL resistor
22 15A Air horn, Air suspension dump, Two-speed
axle, Driver-controlled locking differential
23 10A Flasher
24 15A ABS, Air dryer, Vacuum pump, Fuel heater
relay
25 10A Function selector switch
26 10A RH low beam headlamp
27 — Not used
28 10A LH low beam headlamp
29 10A Cluster warning lamps, Gauges, GEM,
Hydraulic ABS
30 15A Allison electronic transmission
31 — Not used
Relay 1 — Interior lamps
Relay 2 — Not used
Relay 3 — Horn
Relay 4 — One-touch down window
Relay 5 — Not used
Power distribution box
Always disconnect the battery before servicing high current
fuses.
2008 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
137

speedometer .............................27
tachometer ................................27
trip odometer ............................27
H
Hazard flashers .........................135
Headlamps ...................................47
aiming ........................................48
daytime running lights .............47
high beam .................................47
warning chime ..........................21
Heating ..................................44–45
heater only system ...................44
manual heating and air
conditioning system .................45
Hood ..........................................168
I
Ignition .........................................85
chime .........................................21
Infant seats
(see Safety seats) .......................81
Instrument panel
cleaning ...................................157
lighting up panel and
interior .......................................48
J
Jump-starting your vehicle ......142
K
Keys
key in ignition chime ...............21
positions of the ignition ...........85L
Lamps
bulb replacement
specifications chart ..................49
cargo lamps ...............................48
daytime running light ...............47
headlamps .................................47
high beams ................................47
instrument panel, dimming .....48
interior lamps ...........................49
replacing bulbs ...................49–51
Lane change indicator
(see Turn signal) ........................48
Lights, warning and indicator ....21
air suspension ...........................21
anti-lock brakes (ABS) ....21, 111
brake ..........................................21
charging system ........................21
safety belt .................................21
service engine soon ..................21
traction control off ...................21
turn signal indicator .................21
Lubricant specifications ...........209
M
Manual transmission .................119
lubricant specifications ..........209
Mirrors .........................................55
fold away ...................................57
heated ........................................56
side view mirrors (power) .......56
O
Odometer .....................................27
P
Paint chips, repairing ...............156
2008 F-650/750(f67)
Supplement
USA(fus)
Index
264