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mariner wiring question

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  • mariner wiring question

    Can't figure out where tachometer wire goes on motor or the color of the tach wire to the motor. This boat has been great but now having some issues. Tach and speedo quit at the same time and the light and audible alarm both quit too. Can't find any blown fuses. Help would be appreciated.

  • #2
    1998 mariner 150 efi. Where does the tachometer wire connect to the motor? Tach, speedometer and warning piezo have stopped working and I read somewhere that the warning alarm and light are tied to the tach.


    • #3
      welcome aboard. factory wiring diagram in the factory manual. viewable on-line at http://boatinfo.no/lib/library.html#
      Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

      1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

      Past Boats
      1970 Wooster Hellion - Merc 9.8
      2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
      1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

      What’s behind you doesn’t matter.Enzo Ferrari


      • #4
        Sign up today
        Only the switched 12v feed from the ignition switch in the remote control box is shared by both.
        "Growing old is mandatory. Growing up is optional."