If there is no trailer plug.
you will need a 12 volt test light to determine what wires do what.
climb under the vehicle, with a helper to work the brake and turn signals and the test light. find the wiring harness for the rear lights. it will either be in a wireloom under the vehicle or it can be found inside the panels at the rear of the van.
once you locate the wire loom your going to need to probe the wires to find signals. on the passenger side, you will need to find the wire that lights up when your turn signal is on. it shall make the test light flash. ( note that wire color and location) turn on your headlights and probe for the wire that has a steady light when you probe it. ( turn off the headlights) and the test light should should go out. (note that wire color and location) now locate the flashing wire for the opposite turn signal and note that color and location. now take a trailer connector and connect it to the wires you have labeled.
the standard wiring coming from a trailer is brown,yellow,green,white,
you need to connect the yellow wire to the left turn signal wire
and green is right hand signal wire.
the brown wire needs to be the running lights / headlights on signal wire. and the white wire is for chassis ground.
I suggest check this diagram...
And visit this LINK for other details and parts location.
Good luck (remember rated this).
SOURCE: will a trailer wiring harness for a 98 dodge
it will work if you cant just plug it in you will have to tap into the wires on your van
SOURCE: hook up for trailer
My best advise is to take it to a Auto Electric shop it takes about 1 hour and it will cost you a lot less to have it done right the first time. There many things that can go wrong and it will cost a lot to fix them.
SOURCE: 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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SOURCE: wiring colour for connecting trailer lights
Your best bet is to go to an auto parts store or dealer and see if they have an adapter for trailer lights. Most of the newer vehicles have adapters the just plug into the existing wiring harness and you don't need to worry about splicing things. Also on some vehicles hooking up directly to the wiring harness doesn't work too well because of the circuit not being able to support the extra voltage drop. The adapter usually have that taken care of.
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