F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
Headlamp Reminder Indicator: Description and Operation
The Generic Electronic Module (GEM) and Central Timer Module (CTM) control the following warnings and chimes:
^
Headlamp-on warning (repetitive chime).
The following distinct chime rates are used to indicate warning:
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Headlamp-on warning is four chimes per second.
Headlamps Warning Chime
The headlamps warning chime warns that the headlamps are on while the driver door is ajar. The headlamps warning chime will sound when all the
following conditions are met:
^
The driver door is ajar.
^
The headlamp switch is in the PARK or HEAD position.
^
The ignition switch state is in the OFF/LOCK position.
^
Key-out.
The headlamps warning chime will stop sounding when any one of the conditions above are removed. The headlamps warning chime inputs are:
