FORD 2008 F-550 v.4 - Manual (Page 91)

MAP LAMPS (IF EQUIPPED)
The dome lamp turns on when:
• any door is opened,
• the instrument panel dimmer
switch is rotated up until the
courtesy lamps come on, and
• any of the remote entry controls
are pressed and the ignition is
OFF.
BULBS
Headlamp condensation
The headlamps are vented to equalize pressure. When moist air enters
the headlamp(s) through the vents, there is a possibility that
condensation can occur. This condensation is normal and will clear
within 45 minutes of headlamp operation.
Using the right bulbs
Check the operation of all the bulbs frequently.
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Function Number
of bulbs
Trade number
Headlamps (aerodynamic) 2 H13/9008
Headlamps (sealed beam) 2 H6054
Park lamp with aerodynamic headlamp 2 3157A or 3157AK
Park lamp with sealed beam headlamp 2 4157K/3157
Sidemarker 2 194
Tail/stop/turn/sidemarker (Pick-up only) 2 4157K or 3157
Tail/stop/turn/sidemarker (Chassis cabs
only; if equipped) 2 3157
Back-up (Pick-ups only) 2 3156 or 3156K
Back-up (Chassis cabs only) 2 3157
High-mount stoplamp 1 922
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Lights
91