ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 7224 > < Initial Inspection and Diagnostic Overview|Page 7222
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U1-U3

Test V: The Individual Trailer Lamp Is Inoperative

PINPOINT TEST V: THE INDIVIDUAL TRAILER LAMP IS INOPERATIVE

Normal Operation

When the brake pedal is applied, voltage is provided to the trailer tow connector for the LH and RH trailer stoplamps through circuits CAT06 (YE)
and CAT09 (GN), respectively.

This pinpoint test is intended to diagnose the following:

-

Fuse

-

Wiring, terminals or connectors

-

Trailer

Initial Inspection and Diagnostic Overview|Page 7224 > < Initial Inspection and Diagnostic Overview|Page 7222