Hi Carl,

Sounds like a bad starter battery is the place to start. 
 Mine acted just like that and though the starter battery was not that old and powered other things it was bad for cranking.

Eric Caron 
> On Sep 10, 2017, at 4:09 PM, Karl Ploessl <karl.ploessl@GMAIL.COM> wrote:
> 
> after not using the van for a few weeks, I tried to start. Engine tried to
> turn over but very lazily. Added a booster battery but still very lazy
> turnover til eventually battery gave up.  After a few minutes of rest,
> attempted again to start but nothing whatsoever. No sound at all. After
> another few minutes of waiting, I tried again. And now very loud and fast
> clicking noises but nothing else. Can't describe it better :-(. Any
> suggestions?
> 
> Karl.