Ranger 4WD L4-2.3L VIN D (2002)
Trailer Lamps: Initial Inspection and Diagnostic Overview
1. Verify the customer concern by operating the system.
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 electrical damage.
VISUAL INSPECTION CHART
Electrical
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Battery Junction Box (BJB) fuse 30 (15 A)
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Central Junction Box (CJB) fuse(s):
-
3 (7.5 A)
-
7 (7.5 A)
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Connections
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Circuitry
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Trailer tow relay
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Bulb(s)
4. If the concern is not visually evident, verify the symptom and refer to Symptom Chart. See: Symptom Related Diagnostic Procedures
