F 150 2WD Lightning V8-5.4L SOHC SC VIN 3 (2001)
Trailer Connector: Initial Inspection and Diagnostic Overview
1. Verify the customer concern by operating the trailer towing package.
2. Visually inspect for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
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Battery Junction Box (BJB) Fuse:
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5 (20A)
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20 (10A)
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19 (10A)
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101 (30A)
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108 (30A)
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Central Junction Box (CJB) Fuse 23 (10A)
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CJB Fuse 13 (20A)
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Corroded/loose connector(s)
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Loose/broken wire(s)
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Bulb(s)
3. If the concern is not visually evident, determine the symptom and proceed to the Symptom Chart. See: Towing / Trailer System/Trailer
Lamps/Testing and Inspection/Symptom Related Diagnostic Procedures
