Go into switch test and manually trip each switch. They might be dirty and use a piece strip of paper to clean contacts with.

Maybe check your connections at 3 j4 on the power supply board.(12 pin connector ) I had a similar issue with mine and that seemed to be the Magic Bullet for me

Switch 25 and the other pop bumper switches are on the same column, in this case it's column 4. I would check that the green-yellow wire to every switch in that column is firmly attached, and that the diode is also correctly oriented and firmly attached on each of those switches as well. I usually give a light tug on each wire and diode to make sure they aren't just hanging on by a thread. If the daisy-chain of green-yellow wire is broken anywhere in that column, it can sometimes cause issues like this. Good luck!

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So at this point which pop bumpers are working?

Are you saying all three pop bumper switches are being detected when you push the switch for any of the pops?

Did you unplug any connectors when you moved the game? What happens if you push the U, S, or A targets? Do they register properly? Do all the pop bumper coils fire in coil test?

Cool, just wanted to be sure the rest of the switches on that column are registering properly. I also double checked and you're right, the coils will only fire by activating their switches. I would confirm the column wire has continuity between all three pop bumpers and the pin it goes to up at the driver board (1J8, pin 4) next.

Could you post a couple pics of each of the non working pop bumper switches? Maybe an extra pair of eyes will see something you might be missing.

Are you saying when you push the scoring switch (*not* the skirt switch that fires the bumper) for one of the bumpers, the other switches begin working?

Ahh, ok so I was a little mixed up about the switch matrix having anything to do with this issue. What you verified is that the *scoring* switches (which are on the switch matrix) all have good continuity up to the driver board.

The skirt switches that activate the pops go to a different connector though, and hopefully that's where the problem might be. Looking at the schematic, it's connector 1J18 that each pop bumper skirt switch goes to. Also take a close look at the capacitor and resistor on each pop bumper activation switch stack, it's possible they got mangled or could be shorting somewhere. They may have been cut off at some point if they aren't there.

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Another thing I noticed looking at the schematic (page 17), there's actually 2 connectors that the wiring for those switches are going through: they end at 1J18, but before they get there, they go through what appears to be a 36-pin connector called 8J3 and 8P3...the right blue arrow is pointing to that connector...it's likely one of the connector blocks between the cabinet and backbox. Did you remove the head when you moved the game? If so, it's possible there's a loose or broken connection(s) at the block those wires go through. I know those block-style connectors can be difficult to separate for removing the head, and it wouldn't surprise me if the wires sometimes get pulled on (weakening or breaking the connection) in attempt to unplug the connector. All 6 special solenoid switches have an orange wire with a colored stripe, so it may not be too hard to track down which block contains them.

Test continuity for the orange wire coming from each non-working pop bumper's activation switch up to 1J18 at the driver board. The Orange/Black wire from the left pop bumper activation switch up to 1J18, pin 2 and the Orange/Green from the right pop bumper activation switch up to 1J18, pin 8. If either is open, I'd start getting a closer look at the connector block 8J3 (though it's probably not labeled anywhere in the game, so follow the orange wires) and the connector at 1J18, male and female sides.

Do you get continuity between the switch leaves for the skirt switch (the one next to the spoon/actuator) when you push them together?

Yeah, it's definitely starting to sound that way. Strange it happened after the move, but it is what it is. Def let us know what you find...

Thanks for the update!

Glad you got it fixed.