Electronic Control Unit (Forward - Stop) (139A-1) is a 4.5V LEGO set released in 1969 with 13 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 6 unique part types.
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Parts in this set
6 parts · updating…
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Control Unit, Train 4.5V Whistle Brick 4 x 8 x 2 with Forward/Stop Functionsupn0313a · ×1 · Trans-Clear -
Electric Connector, 1 Way Male Rounded with Hollow Pin (Banana Plug)996ac01 · ×4 · Red -
Electric Connector, 1 Way Male Rounded with Hollow Pin (Banana Plug)996ac01 · ×4 · Blue
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Microphone, Train 4.5V 4 x 4 x 2 with Vertical Plug Socketsupn0311b · ×1 · White
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Whistle, Train 4.5V, Thickupn0312a · ×1 · Black
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![Wire 12V / 4.5V with Two Leads [Undetermined Length]](https://cdn.rebrickable.com/media/parts/photos/15/x466-15-d2588fde-efc4-4354-9c4b-2453fd6c76da.jpg)
Wire 12V / 4.5V with Two Leads [Undetermined Length]74503 · ×2 · White