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Post by lmadsen on Mar 11, 2024 18:37:13 GMT
Does anyone have a Marx signal bridge #1434 in their o gauge layout or know of someone who does. I have purchased one at a swap meet that came with no manual. I am desperately searching for someone to help with good diagrams to help with wiring, Thanks for your help.
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Post by harborbelt70 on Mar 12, 2024 9:28:43 GMT
Does anyone have a Marx signal bridge #1434 in their o gauge layout or know of someone who does. I have purchased one at a swap meet that came with no manual. I am desperately searching for someone to help with good diagrams to help with wiring, Thanks for your help.
What this appears to be showing, and what is shown in the photo in your other thread, is that the bridge came with a couple of old fashioned Marx contact or pressure lock-ons, really only suitable for tubular track that is not screwed down. There is constant power to the green light and when a train passes over the lock-on it presses it down to make contact for the red light to be on instead. I have seen threads on another forum where this changed to using an isolated section of track or a relay, but that's beyond my understanding. The leaflet does not show any reference to using insulating pins so I think that this bridge must have been intended to operate using solely the contact/pressure lock-ons.
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Post by lmadsen on Mar 14, 2024 16:14:04 GMT
Thanks for your help. I think we will be able to make it work.
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Post by harborbelt70 on Mar 14, 2024 18:43:57 GMT
Thanks for your help. I think we will be able to make it work.
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