ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 7904 > < Diagram Information and Instructions|Page 7901
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Trailer Lamps: Initial Inspection and Diagnostic Overview

INSPECTION AND VERIFICATION

1. Verify the customer concern by operating the trailer towing package.
2. Visually inspect for the following obvious signs of electrical damage.

VISUAL INSPECTION CHART

Electrical
-

Battery junction box (BJB) Fuse:
-

(20A)

-

20 (10A)

-

19 (10A)

-

101 (30A)

-

108 (30A)

-

Central junction box (CJB) Fuse 23 (10A)

-

CJB Fuse 13 (20A)

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Corroded/loose connector(s)

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Loose/broken wire(s)

-

Bulb(s)

3. If the concern is not visually evident, determine the symptom and proceed to the Symptom Chart.  See: Symptom Related Diagnostic Procedures

Initial Inspection and Diagnostic Overview|Page 7904 > < Diagram Information and Instructions|Page 7901