Yes, you need to go to a good auto parts store or RV shop and get a
special solid state trailer light device that accommodates the separate
turn signal/brake light-tail light wiring the Vanagon has.  It shouldn't
be too expensive, and it will have wiring instructions.

Stuart

"Karl F. Bloss" wrote:
>
> Is there a simpler way to wire a plug for a trailer hitch than just
> trying to figure out which wires do what (tail lights, blinkers),
> e.g. color coding?
>
> -Karl
>
> Karl and Kristina Bloss, Trexlertown, PA
> '87 GL Weekender  "Beverley"
> Mechanic list: http://www.enter.net/~bloss/vw/vwshops
> Busses by the Trail - Oct 15-17, 1999: http://www.enter.net/~bloss/vw/bbtt
> PA/NJ Vanagon owner's mailing list: http://www.onelist.com/subscribe/pavanagon