F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
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headlamp switch (battery potential in PARK or HEAD position, open circuit when in OFF position)
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driver door ajar switch (open circuit with door closed, grounded with door ajar)
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key-in-ignition switch (grounded with key-in-ignition, open circuit with key-out)
Air Bag Redundant Chime
The restraint control module (RCM) chime warns that the air bag warning indicator is inoperative or an active fault is present within the air bag
system. The audible warning format will consist of five sets of tones, in one second increments.
