F 150 4WD V8-5.4L Flex Fuel (2008)
Trailer Lamps: Pinpoint Tests
Test Y: The Trailer Lamps Are Inoperative - All
PINPOINT TEST Y: THE TRAILER LAMPS ARE INOPERATIVE - ALL
Normal Operation
Ground for all the trailer tow lamps is supplied to the trailer tow connector through circuit 206 (WH).
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
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Trailer tow connector
-
Trailer
Y1-Y2
