I may have spoken a bit too soon.  The biggest difference between '85
and '86 clusters have to do with the dynamic oil pressure circuitry in
the speedometer head.

Go here for the wiring pin outs:

http://www.oldvolkshome.com/late_van_cluster_install.pdf

Mike

Mike Collum wrote:
> James Ballen wrote:
>> Do you think that finding a cluster from an actual '86 van would make
>> any difference?
>> ...both the ones I've been trying are from '85's.
>
> Well, the wiring positions for 14 pin connectors for '85 and older vans
> is different from those used in '86 and newer vans.  When clusters cross
> that dividing line, wires in the 14 pin connector have to be repositioned.
>
> If someone has already redone your connector, you might want to check
> and see if it was done correctly.  Do you need the wiring info or do you
> have it?
>
> Mike
>
>
>