Explorer 2WD V8-302 5.0L VIN P EFI (1997)
Trailer Lamps: Initial Inspection and Diagnostic Overview
Special Service Tool(s)
SPECIAL TOOLS
1. Verify the customer concern by operating the trailer tow lights.
2. Verify the exterior lighting system of the vehicle is operating properly. If not, refer to the appropriate Pinpoint Test.
3. Visually inspect for obvious signs of mechanical and electrical damage:
VISUAL INSPECTION CHART
Electrical
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Blown fuse(s)
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Loose or corroded connections
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Circuity
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Damaged relays
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Failed bulb(s)
4. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart. See: Symptom Related Diagnostic Procedures