Utility trailer wiring to 1998 Dodge Carivan

I have a utility trailer with a six point plug, and the trailer brake wires are white and black. the tail light wiring is brown and red coming out of the tail lights. the coloring of the wiring for the trailer is yellow,green,brown. the running lights, blinkers do not work, the brakes seem to work according to the brake control. can you be of any help. thank you very much.
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Trailer end; Red=Brake
Brown=Running lights
Yellow=Left
Green=Right
White=Ground
You will need a turn and brake signal box IF, you have different bulbs for brake and turn lamps. If the brake and turn bulbs are one(red)lens than no box will be required. Thanks, Dana