FORD 2013 F-550 v.2 - Manual (Page 329)

10. For the headlamp bulb,
remove the bulb by turning it
counterclockwise and pulling it
straight out.
11. For the park or turn lamp bulb,
remove the bulb by turning it
counterclockwise and pulling it
straight out.
WARNING: Handle a halogen headlamp bulb carefully and keep
out of children’s reach. Grasp the bulb only by its plastic base
and do not touch the glass. The oil from your hand could cause the
bulb to break the next time the headlamps are operated.
Install the new bulb(s) in reverse order.
328 Maintenance
2013 F-250/350/450/550 (f23)
Owners Guide gf, 2nd Printing, December 2012
USA (fus)