Explorer Sport Trac 4WD V6-4.0L VIN K Flex Fuel (2004)
Trailer Lamps: Initial Inspection and Diagnostic Overview
INSPECTION AND VERIFICATION
1. Verify the customer concern.
2. Verify the exterior lighting system of the vehicle is operating correctly. If not, refer to the appropriate pinpoint test.
3. Visually inspect for obvious signs of mechanical or electrical damage.
VISUAL INSPECTION CHART
Electrical
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Central junction box (CJB) fuse(s):
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3 (7.5A)
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7 (7.5A)
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Battery junction box (BJB) fuse(s):
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23 (15A)
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Circuitry
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Trailer tow relay
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Bulb(s)
4. If the fault is not visually evident, determine the symptom and go to the Symptom Chart. See: Symptom Related Diagnostic Procedures
