Test Y: Trailer Lamps Are Inoperative

PINPOINT TEST Y: THE TRAILER LAMPS ARE INOPERATIVE

Y1:

Y1 Continued:

Normal Operation
Circuit 14 (BN) supplies power to the exterior lamps and the coil side of the trailer tow parking lamp relay. When the trailer tow parking lamp relay is energized, voltage received from circuit 1043 (DG/YE) is switched to the trailer tow connector through circuit 962 (BN/WH). Ground is supplied to the trailer tow parking lamp relay through circuit 1205 (BK).

Possible Causes
- Trailer