E 350 1 Ton Van V10-6.8L VIN S (1997)
Courtesy Lamp: Flow of Diagnosis
Special Service Tool(s)
Special Tool(s)
1. Verify the vehicles owner's original concern by operating the interior courtesy lamps to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns applies:
VISUAL INSPECTION CHART
MECHANICAL
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Damaged lamp switch (courtesy)
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Stuck lamp switch (courtesy)
ELECTRICAL
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IP fuse panel Fuses 4 (15A), 24 (5A), 5 (20A) and 3 (15A)
^
Damaged bulbs
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Circuitry open/shorted
^
Connectors damaged/corroded
3. If the concerns(s) remains after the inspection, determine the symptom(s) and proceed to the following symptom chart. See: Symptom Related
Diagnostic Procedures
