(Topic ID: 278534)

Gottlieb Mustang pop bumper

By RandyW

1 year ago



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  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by RandyW
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#1 1 year ago

Does anyone have the schematic handy for a Gottlieb Mustang/Bronco? The front pop bumper on this one is weak, very weak. I’m showing less than 1 volt when it’s triggered. I’ve chased the red/green wire to the jones plug. No voltage on either side, to speak of. But I can’t find where the wire goes after that.

Thanks!
Randy

#2 1 year ago

These from the Bronco schematic

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#3 1 year ago

Thank you. Unfortunately, that doesn't seem to show where the red/green wire goes on the cabinet side of the jones plug. Those wires are pretty dirty and it is hard to figure which is what color.

#4 1 year ago
Quoted from RandyW:

Thank you. Unfortunately, that doesn't seem to show where the red/green wire goes on the cabinet side of the jones plug.

The problem may not be in the wiring or jones plug.
Start by running a jumper wire from the Pop Bumper relay switch to the Pop Bumper coil.

#5 1 year ago

It turned out to be a dirty switch in the relay stack.

Thank you very much.

Now to figure out how the drop targets go back together.

#7 1 year ago

Thank you. I managed to figure it out after a couple of tries One last fix and it will be ready to play. I am working on fixing the worn contacts on the bonus disc.

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