At 03:48 PM 2/4/2011, Joe Luther wrote:
>Do they possibly share a harness ground, being in the same general area of
>the vehicle?  Just a newb question.

No, they don't. (Watch me be wrong)

>It seems sometimes that the axis of the cosmos is wired through the ignition
>switches of some later VW watercooleds so maybe Vanagon ig switches are the
>same way?

Sort of.  The 15 terminal carries all switched loads except
headlights, IIRC, which are switched directly by the X terminal
(which also controls but doesn't feed the load reduction relay.

Yrs,
d