Mountaineer AWD V6-4.0L VIN K Flex Fuel (2003)
Trailer Tow Electronic Brake Control Module C239
Test Y
PINPOINT TEST Y: THE TRAILER LAMPS ARE INOPERATIVE
Test Y1
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).