Does anyone know how to connect a Lionel 334 dispatch board. There are 3 terminals. I am just not sure how they connect to the transformer. I know one runs through a No. 90 button. Thanks
The operating voltage required is 10-14 volts from the transformer. The #90 controller gets wired to post post #2 and post #3 of the dispatch board. Another wire from post #3 goes back to transformer, along with a wire from post #1 of the dispatch board to the transformer. Operation is completed by pushing the #90 control button to connect post 1 and post 2. As soon as the carriage has moved far enough to allow the internal switch to close, you can release the #90 button and the action will continue until the carriage assembly completes its cycle. Info is from Lionel service manual. Hope it clears it up for you.
Here is a link to the 334 information teledoc referenced.
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