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2006 Mercury 25 HP EFI 4-Stroke Tachometer Sending Wire Color

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  • 2006 Mercury 25 HP EFI 4-Stroke Tachometer Sending Wire Color

    I have a 2006 Mercury 25 HP EFI 4-Stroke outboard. I want to add a tachometer but do not know what color the sending wire is. The motor has a wiring harness that is not being used since I have no gauges on my boat. Does anyone know what color the tach sending wire is? See picture of wiring harness. Anyone know what the other wires are for? Thanks!!!

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  • #2
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    Re: 2006 Mercury 25 HP EFI 4-Stroke Tachometer Sending Wire Color

    Wiring colours:

    http://www.maxrules.com/fixmercwiringcodes.html

    Gerry

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