F 250 4WD Pickup V8-4.6L SOHC VIN W (1998)
^
Ignition switch OFF/LOCK (open circuit on all ignition inputs).
^
Headlamp switch (battery potential when in PARK or HEAD position, open circuit when in OFF position).
^
Driver door ajar switch (open circuit with door closed, grounded with door ajar).
^
Key-in-ignition switch (grounded with key-in-ignition, open circuit with key-out).
