Yes, with the key on there should be a voltage on the wire to the
sender. Also a voltage on the wire to the switch. You said you had a
dual output sender. By that did you mean a pressure sender plus a
pressure switch in a combined unit?

Mark

Jonathan Poole wrote:
> Howdy List,
>
> I retrofitted the instrument cluster from a 91 passenger van into my '83 air
> cooled westy.  All is good with the retrofit,, except for the oil pressure
> led/lead.  I disconnected the ground for the buzzer and all, so no problem
> there but what has happened is that after wiring things up following the
> great guide at old volks home:
>
> http://www.oldvolkshome.com/late_van_cluster_install.pdf
>
> I fried my dual output oil pressure sender.  The reason that it was fried
> (or at least sauteed) is that the wire that runs from the instrument cluster
> to the sender is now hot or has voltage.  I disconnected the wire from the
> sender and the on the dash light doesn't come on at all (which is good for
> now).  I plan to replace the sender so that my oil pressure guage will work
> again but would also like to wire up the in dash oil pressure light as
> well.  Does anyone know if this wire should have voltage at the oil pressure
> sender or if there is a problem with my cluster or wiring?  Before this
> cluster change my oil pressure led and gauge both worked great.
>
> Thanks for any help,
>
> Jonathan Poole
>