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Old 15 September 2015, 01:03   #1
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Country: USA
Town: Silverton, Oregon
Make: Bombard Commando C4
Length: 4m +
Engine: 25 HP Mercury
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Tachometer for Mercury Outboard

I would like to get a tachometer for my 1999 Mercury outboard. It is a 25 HP 4-stroke "Bigfoot" and is on my Bombard C4. There is an unused wiring plug that is hanging under the controls, if memory serves this is to hook up a tachometer?

Does anyone know if any-old aftermarket tach will work, and if so is there a model that has worked well for people? I am thinking just a simple analog tachometer.

Thanks for any input!
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Old 15 September 2015, 01:47   #2
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watching this thread with interest as I need one too
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Old 15 September 2015, 10:09   #3
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Here is the plug, it has five pins.
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Old 15 September 2015, 11:35   #4
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same as mine think its a standard connector on mercury quicksilver control box
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Old 15 September 2015, 20:38   #5
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I'm fairly sure that I found the right wiring harness:
http://www.amazon.com/Mercury-Quicks.../dp/B004QJLGUO

Now my only question is which tachometer?

They seem to range from $50-$100. Obviously if there is a really nice one for less money that would be nice, or is it worthwhile to spend a little more?

Also, some say they only work with 4/6/8-cylinder engines, and mine is a two-cylinder.

Thanks.
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