The simplest explanation is that when you push the white connector onto
the coil you are not really getting the female spades for both green
wires to engage the 2 male spades!

Mark

Dan N wrote:
> thanks Stuart,
>
> We thought that we reversed the wires ... but no... if the pair of wires in
> the large white plastic connector (at the 2 prongs post) are reversed, the
> van cranks but won't start. Reversing the 2 black wires at the 3 prongs
> post doesn't do anything.
> The same connection on the old ignition coil makes the tachometer work
> again.... I scratch my head....  :-)
>
>