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Yamaha wiring for Digital Tach

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  • Yamaha wiring for Digital Tach

    I'm completing the instal of a new Yamaha 60 four stroke on my boat here in Baja, Mexico. I also am installing the Yamaha Digital Tach (round model) The tach has a four prong square plug and four separate male end wires: Black, Blue, Yellow, & Green. The square plug connects to the separate wire harness leading back to the engine. But my question is, do any of the separate color wires connect to anywhere? Do they connect to any of the wires on the 703 Remote Control? There was minimal info that came with the tach. Is there an owner/operaters manual (pdf) that I could download? Thanks for any help.

  • #2
    If you got the tach kit(6YR-W0035-E2-00) there is a wire harness(6Y5-83553-N0-00) with green, red, yellow and black wires. Connect that harness to matching color wires on 703 control box and connect gauges to other end of harness. In middle of harness there will a short yellow wire and a blue wire, plugging the yellow and blue togather will make backlight in gauge come on when turn ignition key on, leave them disconnecvted and connect blue wire to navigation light switch will make backlight come on when turn boat lights on.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      Question answered

      Originally posted by boats.net View Post
      If you got the tach kit(6YR-W0035-E2-00) there is a wire harness(6Y5-83553-N0-00) with green, red, yellow and black wires. Connect that harness to matching color wires on 703 control box and connect gauges to other end of harness. In middle of harness there will a short yellow wire and a blue wire, plugging the yellow and blue togather will make backlight in gauge come on when turn ignition key on, leave them disconnecvted and connect blue wire to navigation light switch will make backlight come on when turn boat lights on.
      Perfect, that was it! Thanks a million, Gary

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