The other wire goes up to either the double relay or the start relay up in
the engine bay.(depending on year of van)  It provides power to the fuel
pump while starting.  After engine is started the vehicle provides normal
power to the fuel pump.
jimt

On 8/21/05 10:15 PM, "John Bange" <jbange@GMAIL.COM> wrote:

> Today while making up the last few remaining wire connections in the
> engine compartment, I ran into something puzzling. The wire harness
> feeding the starter solenoid has TWO red wires coming out of it: a
> thicker gauge one with a black plastic female spade connector and a
> thinner one with a white connector. On top of the solenoid I can only
> feel one connection point.  The starter works with the thicker one
> connected. My question is, what's the other connector  for? Is there
> some place up there I can't see where this should be connected?
> Everything seems to work without it.