2003 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS high beam

Low fuel:Illuminates when the fuel
level in the fuel tank is at, or near
empty (refer toFuel gaugein this
chapter).
Fuel reset:Illuminates when the
fuel pump shut-off switch has been
triggered. For more information
refer toFuel pump shut-off switch
in theRoadside Emergencies
chapter.
Door ajar:Illuminates when the
ignition is in the ON position and
any door is open.
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.
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.
LOW
FUEL
FUEL
RESET
DOOR
AJAR
Instrumentation
10

HEADLAMP CONTROL
Turns the lamps off.
Turns on the parking lamps,
instrument panel lamps, license
plate lamps and tail lamps.
Turns the headlamps on.
Daytime running lamps (DRL) (if equipped)
The daytime running light system turns the headlamps on, with a
reduced light output, when:
•the vehicle is running and
•the headlamp system is in the OFF position or parking lamp position.
Always remember to turn on your headlamps at dusk or during
inclement weather. The Daytime Running Light (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.
High beams
Push the lever toward the
instrument panel to activate. Pull
the lever towards you to deactivate.
P
Lights
14

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
30 — Not used
31 10A Left-hand low beam headlamp
feed
32 10A Backup lamp feed
33 — Not used
34 — Not used
35 20A Body builder high beam feed,
High beam indicator
36 — Not used
37 — Not used
38 10A Body builder accessory feed (run
only)
39 — Not used
40 — Not used
41 10A Instrument illumination
42 — Not used
43 — Not used
44 — Not used
Relay 1 — Left turn signal relay
Relay 2 —— Courtesy lamps relay
Relay 3 Right turn signal relay
*Vehicles with Hydromax brake assist only
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
Always replace the cover to the power distribution box before
reconnecting the battery or refilling fluid reservoirs
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and specificationschapter.
Roadside emergencies
41

Engine block heater ...................23
Engine oil ....................................57
checking and adding ................57
dipstick ......................................57
filter, specifications ............58, 88
recommendations .....................58
refill capacities ..........................89
specifications ......................91–92
Exhaust fumes ............................23
F
Fail safe cooling ..........................66
Fluid capacities ...........................89
Fuel ..............................................67
calculating fuel economy .........73
capacity .....................................89
choosing the right fuel .............69
comparisons with EPA fuel
economy estimates ...................76
detergent in fuel .......................70
filling your vehicle
with fuel ..............................67, 73
filter, specifications ............71, 88
fuel pump shut-off switch .......36
improving fuel economy ..........73
octane rating .......................69, 92
quality ........................................70
running out of fuel ...................70
safety information relating to
automotive fuels .......................67
Fuses ............................................38
G
Gas mileage (see
Fuel economy) ............................73
Gauges .........................................11
GAWR (Gross Axle
Weight Rating) ............................31
calculating .................................32
definition ...................................31driving with a heavy load ........31
location ......................................31
GVWR (Gross Vehicle
Weight Rating) ............................31
calculating ...........................31–32
definition ...................................31
driving with a heavy load ........31
location ......................................31
H
Hazard flashers ...........................36
Headlamps ...................................14
daytime running lights .............14
flash to pass ..............................15
high beam .................................14
turning on and off ....................14
I
Ignition ...................................20, 92
Inspection/maintenance
(I/M) testing ................................77
Instrument panel
cluster ..........................................8
lighting up panel and
interior .......................................15
J
Jack ..............................................45
positioning .................................45
storage .......................................45
Jump-starting your vehicle ........48
K
Keys
positions of the ignition ...........20
L
Lamps
cargo lamps ...............................15
Index
95