Anyone know the correct wiring for a SB replacement tach?

Discussion in 'General Discussion' started by ArtWallach, Jun 26, 2017.

  1. ArtWallach

    ArtWallach Member

    160
    Sep 12, 2011
    Lindenhurst NY
    2000 Sea Ray 310 Sundancer
    T300hp Mercruiser Inboards
    [FONT=&amp]2000 310 DA w/ Inboards.
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    [FONT=&amp]Anyone know the correct wiring for a SB replacement tach?
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    [FONT=&amp]A friend took off 3 wires to stop the gauge from alarming for over Rev'ing. I replaced the gauge, but when I put the wires on where I thought they went, the engines cranks but won't start. When I remove them it starts just fine. Two Gray and one black not corrected. the IGN post has no wires connected If I tough either Gray wire to the ign post while the engine is running it shuts down immediately.


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