Do you have the correct wiring diagram for the round 4 wire connector.
asked by: Tom
Most of the time the 4-Way connector is wired as follows. Looking at the front of the socket on the vehicle side with the cover raised the top left pole is the yellow, left turn/brake pole, the top right pole is the right turn/brake pole, the bottom left pole is the white ground pole and the bottom right pole is the tail light pole. The trailer side, part # PK11409 , will be a mirror image of the vehicle side.
Unfortunately, there is not an industry standard wiring configuration for the 4-way Round Trailer Connector, part # PK11409 . You will need to use a circuit tester, part # 3808 , and find out which pins presently transmit which functions. In general, on a trailer, the white wire is the ground wire, the yellow wire transmits the left turn/brake signal, the green wire transmits the right turn/brake signal, and the brown wire is the running lights.
expert reply by: Andi
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Products Referenced in This Question
Tools for Wiring
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Trailer End Connector
Featured Help InformationTrailer Wiring Diagrams