mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 8578 > < Initial Inspection and Diagnostic Overview|Page 8576
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Test Y: The Trailer Lamps Are Inoperative - Reversing Lamps

PINPOINT TEST Y: THE TRAILER LAMPS ARE INOPERATIVE - REVERSING LAMPS

Normal Operation

Voltage to the trailer reversing lamps is supplied by the smart junction box (SJB) through circuit CAT16 (GY/BN).

This pinpoint test is intended to diagnose the following:

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Fuse

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Wiring, terminals or connectors

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Trailer tow connector

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Trailer

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SJB

Initial Inspection and Diagnostic Overview|Page 8578 > < Initial Inspection and Diagnostic Overview|Page 8576