> I could swear I read somewhere there are two different kinds of Decouplers.
> One that uses the vacuum setup that the diff locks use and one that uses an
> electric solenoid for syncros that lack the diff locks.
>
> Can anyone confirm that?
>

The Euro ETKA shows (ill 071-10) a manually operated pull-cable
actuator for the PTO (which is essentially the same mechanism as a
decoupler) on vehicles so equipped. I've never seen a reference to an
electric solenoid type actuator. Just the vacuum and manual ones.

--
John Bange
'90 Vanagon - "Geldsauger"