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I have a 1986 yamaha 115 that had a digital tach put on it. I bought a yamaha analog one to replace it and the conection nor colors match up does anyone have a wire diagram to hook this thing up?
The wire should be same, the wires coming from key switch should be
yellow, key on power(12 volts)
green, tach signal
black, ground
blue wire is back light in gauge
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