Hello all! I'm new to this forum and new to boats altogether, but last weekend I bought a 1961 StarCraft Voyager. It has a 1961 Mercury Merc 500 outboard engine on it. I am starting to learn all of its parts and functions and I was wondering if anybody could tell me what this doohickey is? It has a cord attached to it that goes all the way to the dash where it ends with a jack that looks like it would be for a speaker. Any help?
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec70788b491549350418
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec7c1bf23e923392075
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec7ffac6c3449899389
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec70788b491549350418
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec7c1bf23e923392075
(Image) https://www.linkpicture.com/view.php?img=LPic5f2ec7ffac6c3449899389
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