okey dokey, here's a pic of the circuit board, I hope its ok - it's hard to take a steady picture perched on one leg up a step ladder
as for the 'double black' connection, it looks like my instructions were wrong, because as TBR said, that is connected to the on/off switch, not the timed/summer/constant, one. The red & white wire from the timer is attached to the same terminal as the double black wire on the on/off switch.
the red & black wire from the timer connects to the top terminal on the timed/summer/constant switch (top as in furthest away from you)
so
3
2
1
you connect to 3.
I hope that helps?