FORD 2003 F-550 v.1 - Manual (Page 38)

COURTESY/READING LAMPS (IF EQUIPPED)
The dome lamp lights when the
control is in the DOOR (left)
position, anydoor is open, the
instrument panel switch is pushed
past the detent and when anyof the
remote entrycontrols are pressed
while the ignition is off.
The reading lamps can be turned on
bypressing the rocker controls next
to each lamp.
BULBS
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Using the right bulbs
Replacement bulbs are specified in the chart below. Headlamp bulbs
must be marked with an authorized “D.O.T.” for North America and an
“E” for Europe to assure lamp performance, light brightness and pattern
and safe visibility. The correct bulbs will not damage the lamp assembly
or void the lamp assemblywarrantyand will provide qualitybulb burn
time.
Function Number of
bulbs
Trade number
Headlamps (aerodynamic) 2 9007
Headlamps (sealed beam) 2 H6054
Park/turn 2 3157
Sidemarker 2 194
Tail/stop/turn/sidemarker 2 3157 K
Backup 2 3156K
High-mount stoplamp 1 921
Foglamp 2 899
License plate lamp 2 168
Cargo lamp 2 906
Roofmarker 5 194
Lights
38