Gottlieb EM 3ball-5ball mod on King Pin

Archived from groups: rec.games.pinball (More info?)

I've seen similar mods -- jumper wires here and there to maintain 3-ball
scoring or bonuses while in 5-ball play .


In article <1121865233.828092.148560@g14g2000cwa.googlegroups.com>,
"Grayson" <david@graysons.ca> wrote:

> Hi... I have a collection of one machine...a 73 King Pin that is a
> "work in progress" ... been tinkering with it for years. It has a 3
> ball or 5 ball option by way of a mulpiple pin connector in the lower
> cabinet, but the 5 ball option changes the game rules (presumably to
> keep scores down). The most notable change is the moving light for 5000
> points on a drop target doesn't show up in 5 ball mode until you drop
> all the targets once, and the pop bumpers only score full ponts (1000)
> half time.
>
> I've always wanted it to play for 5 balls on "3 ball rules". While
> studying the schematic I recently discovered that the thing that tells
> the machine to stop at 3 balls in a 3 ball game is the WH-BL (white
> with blue trace) wire on the lower series of lugs on the ball stepper
> unit. Disconnect this wire and PRESTO the 3 ball game now goes to 5!
> This changes the whole dymnamic of the game as you can routinely wrap
> the score right around past 00,000 (Yay!), and you can restore to
> factory operation by reconnecting the wire ( a toggle switch in the
> back box would allow for fast changeover).
>
> Am I reinventing the wheel here? Is this a common mod for this and
> other EM Gottlieb single player wedgeheads? Has anyone else done it? Am
> I nuts?
>
> Dave