Is that a multi player, or one only?
if multi, you can look at another 10000 reel and compare.

http://www.pinrepair.com/em/

1. Inserting a coin or pushing the replay button actuates 'S' relay (Start relay).
2. This relay will lock-in through its own switch and a motor 2B switch.
3. The following sequence takes place through the closed switches on 'S' relay.
3a. The motor starts running.
3b. The total play meter, and reset 'Ball Count' unit, subtract 'Replay' unit and 'A' relay coil are actuated by a switch on motor 2C.
3c. The target bank is reset by a separate switch on motor 2C.
4. When 'A' relay is actuated, it is locked in by the armature of 'A' relay reset coil. Through closed switches the score units reset to zero through a switch on motor 1A. When all units are reset and motor 2B makes, 'A' relay reset coil is actuated. This release the armature on 'A' relay and opens the switches. The reset cycle is now complete.
5. Place the ball in the out hole. When the ball makes the ball return switch, 'O' relay is actuated and locks in through the normally closed switches on 'A' relay and motor 2B. 'O' relay runs the motor. Motor 4C actuates the ball across the trough switch which steps the ball count unit once, indicating first ball in play. The ball is now in the runway and ready to be shot onto the playfield.

Read that pinrepair page and see how to clean/adjust things. Your reels are probably just gummed up and out of adjust from lack of use and someone's grandpa greasing them when they run dry.

There are a handful of switches in a start path on a single player that all need to be closed making good contact. They will need to be examined/cleaned/adjusted if necessary...the pinrepair website should give you an idea of what's involved.

Lucky bastard. Been looking for an abra ca dabra. Don't seem to come up often.

misinformation

the last reel is like that.

This sounds like your 9 position switch (the top one that closes on 9) is not making good clean contact even though it may look like it is...

I would re-clean the switches with your flexstone and make sure they are making good contact--you want it to have at least a 1/8 inch wipe

This is incorrect. At 0 the contact on the outside will be closed and the middle and inside will be open. At 2-8 the outside contact is open, the middle is closed, and the inside is open. At 9, the outside contact is open, and the middle and inside are closed. The inside contact is the 9 position switch and it will only close at 9. When the reel goes to 0, a combination of the closed 9 position switch and a switch on the relay for the reel both close which sends power to the next reel to step up.

The three switches on the reel itself do nothing to stop power from getting to the coil. The only switch that can do that is the EOS switch, which opens and causes the relay for the reel to open and kills power to the reel coil.

On the 10000 reel, the outside switch should be closed at 0 and open on the rest. It only has two switches because it doesn't need a 9 position switch to help step up another reel.

Right, what he said

Sooo much wisdom here, you guys are fast, too.

Lots of misinformation in this thread so I just checked my ACD 10,000 reel...

There are only two switches on the reel:

1) A runout switch that is closed only in positions 1 to 9
2) A reset switch that is closed only in position 0

There is no EOS switch on the "Ten Thousands" unit.

This is what the switches look like in the 0 position:

20160812_AbraCaDabra_003_(resized).JPG

The picture below shows the switch state for positions 9. Note that in positions 1 to 8 the switches are in the same state just not pushed over as far as in position 9:

20160812_AbraCaDabra_001_(resized).JPG

Here's the relevant section of the ACD schematic and I just noticed there is an error! As originally drawn, both the 1,000 and 10,000 unit coils will operate together whenever the L (1000 point) relay operates. There's a switch missing from the schematic and so I have added one (marked in red) that should be labelled "9th Position 1,000's Unit". The 10,000 coil then only gets a pulse from L when the 1,000 unit is in the 9th position. There is no EOS switch on the 10,000 coil as the EOS on the 1,000 coil cuts power to the L relay.

Capture_(resized).JPG

Hope that helps

Here is a better way of seeing how the score drum works although its rendered as a williams style in the gif....
https://pinside.com/pinball/forum/topic/williams-score-reel-operation-animation#post-508934
Hats off to SteveFury.

Which is what the last line of my post said.