Mountaineer 2WD V8-4.6L SOHC VIN W (2003)
on warning chime will sound if the driver door is ajar, the headlamp switch is in the PARK or HEAD position, and the ignition switch is in the
OFF/LOCK position with the key out.
The headlamp on warning chime will stop sounding when any one of the above conditions are removed. The headlamp on warning chime inputs are:
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ignition switch START position, no voltage on START circuit 489 (PK/BK)
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ignition switch RUN position, no voltage on RUN circuit 295 (LB/PK)
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key-in-ignition switch circuit 1414 (LG/VT), no voltage applied with key removed from the ignition
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voltage applied on the instrument illumination circuit 235 (RD/BK)