Did you solder the switch in correctly?
Is there a diode correctly installed?
Are you testing the switch in test mode?
Have you consulted the manual on ipdb.org to look at the switch matrix wiring?
(Topic ID: 225055)
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Quoted from Giladla:4. looked at the manual but do not know how to read the related switch matrix wiring.
You are looking for the basic "switch matrix" chart, not any schematics.
You can enter switch test pressing the pushbutton on the inside of the cabinet. I think it's the third test...
Once in that test, every switch passed should display as being pressed on the game display.
That's what you need to test your switch (and all the other switches in the game). The switch matrix chart is more for reference, in case you need to look to see what the next switch is in the wired daisy chain.
-Post results here...
Quoted from Giladla:do i need to check the wires all the way to the mainboard?
No. If one was at fault, you would have 8 switches not registering, not just one switch.
Quoted from Giladla:did the switch test, it does not show the switch as problematic
Wait, did the switch work when you tested it in the sw. test? You have to actually trip the switch (WHILE IN TEST). They system does not tell you of a sw. problem automatically.
Regarding the pictures of the sw. you posted, can you post a close up of another working, similar switch? (All alike switches will be wired similar in regard to the diode and 3 blades.) solid green/color vs. white/color.
If the sw. worked in test, then you are good to go.
I am very patient. 
Quoted from GRUMPY:You need to move the white wire to the top lug not the middle. Every thing else is OK.
This is correct. BANDED side of diode should have -no wire-. Move wire to the top lug.
Quoted from Giladla:snyper2099,
the switch did not trigger during the test cause i couldnt do a manual test when the death star target was up, maybe i do not know how to do it
Sure you can...
-Get the game how you need it so you can trigger the switch.
-Put game in switch test.
-Trigger the switch.
Quoted from Giladla:ok,
so just to clarify,
white wire to the top and green in the middle?
No, NOTHING on middle lug.
Quoted from Giladla:Have solded white wire on top, green wire on bottom ,empty in the middle.
Nothing changed, still not working.
Any idea on what to do next, could the diod need to be replaced? It is A new part
Can you enter sw. test to confirm that this is the only problematic sw.?
If yes-->
Now that you have the sw. wired correctly,
Next step would be to look at that "z" plug at the end of that assembly and test for continuity with a meter.
Shorting the two switch wires together in switch test should get you a response. If not... you will need to look for the next "hops" for those two wires under the play field. One of the wires may have shaken loose from it's previous switch hop. May have to cut some zip ties.
-May have to refer to the switch matrix in the manual to determine these next "hops" of these GRN/BLK and WH/BLU wires.
Further upstream, if you momentarily short those two pins in the head at the connector (with a paperclip or something), you should get a response for the switch in question, in the switch test. If not, YOU got a board problem.
Isn't this fun! 
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