4 Wire Trailer Hitch Diagram. The ground wire color for a 4 flat plug is white and should be properly grounded at the trailer tongue. Find your 4 wire trailer hitch wiring diagram here for 4 wire trailer hitch wiring diagram and you can print out.
The colors for wiring a 7 way connector are as follows with the 4 colors of the 4 way connector remaining the same. Use this 4 pin wiring diagram to properly wire your 4 wire trailer plug. In addition to being light its suggested that the connector does not have some power draining attachment.
Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights.
This trailer hitch wiring diagram model is far more acceptable for sophisticated trailers and rvs. Connect brown wire to vehicle tail light wire yellow wire to vehicle left stop and turn wire and green wire to vehicle right stop and turn wire. In addition to being light its suggested that the connector does not have some power draining attachment. Previous post label the different parts of the eye.