Kurt,

for the electrically-challenged, a tip:

I bought the "black box," including installation at U-Haul in Palm Springs, CA
for about $30.00.  The device, lifetime guarantee, is about $15.00, uninstalled.

Usual disclaimers apply
Tom Hanlon
Palm Springs, CA
84 Westfalia.

Kurtis Thomas wrote:

> I have done the trailer light setup and the best way as described before is
> the solid state "black box" that adapts the 4wire/3-filiments bulb setup
> (brake, turn, running lights & ground) to trailer setup. remember most import
> cars use the separate turnsignal route while USA cars and trailers use the
> same bulb/filament for the brake/turnsignal route, hence the need for the
> black box.  remember to take your time and seal the splices well so things
> don't corrode in there.
>
> good luck
>
> Kurt Thomas
> 87 Syncro