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analog tachometer installation on tiller F40LA

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  • analog tachometer installation on tiller F40LA

    I am trying to install a analog tachometer with temp/oil lights to a F40LA tiller outboard. The problems I am having are none of the wires colors match up and there are 5 wires form the tach part and the wire harness only has 2 with jumpers. I have the separate cable harness for the temp/oil connection. Has anyone done this?

  • #2
    You would have to splice into the green, yellow and black wires at key switch and extend to tach green, yellow and black wires. Then order a 6Y5-83653-00-00 Trim/Oil harness and connect to off white colored square connector on engine and to square connector on tach, set tach for 12 pole alternator.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      tw8790

      Hello,

      Thank you for getting back to me on this. you mentioned the green, black, and yellow wires from the tach, There is a blue and black wire that come out also? You also mentioned the white plug in four prong connector, I have that harness, but on the tach for the white connector there is a separate male plug in yellow/red stripe wire. There is a pink/red stripe male plug wire that is coming out of the back side of the connector, where do they go?

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