Where do I connect a tachometer on a 1992 Mariner 115?

Joined
Aug 16, 2011
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I recently bought a boat that basically has a gas gauge and speedo. I bought a tachometer for it, but I don't have a clue where to hook it up to the engine.

Could one of you explain to me where to hook up the tach signal wire? A pic would be great... Or if one of you happen to have a complete wiring guide for this engine that would be awesome (they didn't have any at West Marine when I stopped earlier).

Thanks!
--ElmoTheDestroyer
 
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