1975 Bally Wizard I bought out of a warehouse here in Huntington WV. The owner said it had sat for over a decade.

Playfield was in great condition with very mild planking. There were no obvious modifications or repairs except the coin door was stripped, only wires going to the credit button.
It was very clean inside. I bought it.
Fuses tested good and it powered up. The score motor reset to the zero position, credit button tried to start a game but the score reels ran and ran.
I took out the bottom board, serviced the stepper units , cleaned and inspected all the switches 99% of them needed no tweaking, then did the head and playfield.

It now resets the reels and starts up to a 4 player game but won’t advance past ball one to step up to player two. When the ball goes in the out hole it kicks it out again and remains on player one.
If you manually step up the player unit, all the score reels work appropriately except for the 1000s.
The 1000 point relay will machine gun 5 pulses per 1000 points scored. The player unit does step down when the ball goes in the outhole.

In the video, a one player game was started and the 500 points switch was activated twice to sore 1000 points total. The ball goes in the out hole and tries to score a 2000 bonus.
The plastic switch activator is broken on the outside of the last switch on the 1000’s relay. Could this be my scoring problem and is the part obtainable?

This is my first real EM repair and I am struggling with the schematics though I am learning.

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Thank you tonight I will start trouble shooting with alligator clips and reach out to seeking parts thread.
I will post updates.

The right lane relay looks like it will do the trick. It is ordered. Thanks for the tip.

I got my new actuator plastic. It fit and my 1000’s reels are working correctly.
I am unsure where to alligator clip on each switch so I cleaned and made small adjustments to each switch in the circuit.
It now steps up to the next player and the ball count unit is working correctly.
But now it is stepping to the next player even if you start a one player game. I'm getting closer!
I assume you place the alligator clips, one on the base of one side of a switch and touch the other, or am I jumping the whole switch stack?? I’ve been searching for a photo/video that shows the process but haven’t had any luck.

In a 1 player game it was going through all 4 players before switching to ball 2 but with a little more tweaking it is playing 1 through 4 player game appropriately.

Thank you all for the help! I am understanding these games better.