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  1. #1
    Member
    Join Date
    Oct 2019
    Location
    Drums PA
    Posts
    696

    Tach reading too high

    Lately, my tach will show 2000+ RPMs at an idle and go up from there. It's not every time. I checked the wires on the back of the gauge for tightness.
    Model is E135HGLABL
    2020 Vexus AVX 1880
    Evinrude E-Tec 135 HO
    Ultrex
    Lowrance

  2. Member
    Join Date
    Sep 2021
    Location
    Salem, wi
    Posts
    785
    #2
    What brand of tachometer? I see the boat is a Vexus and it is doubtful it is an Evinrude supplied gauge.
    Regardless, I suspect a failed tachometer and in need of replacement. Might be covered by warranty.

  3. Member
    Join Date
    Aug 2011
    Location
    Erie
    Posts
    2,418
    #3
    Most boat supplied TACH are crap. I had mine replaced twice and have given up on it. Now I have a Lowrance Interface Cable from the outboard motor to my NMEA 2000 backbone and read the TACH on my Lowrance GPS/FF. Also many other info supplied to my GPS/FF and now since I added a Lowrance FDM I can read how much fuel I used and EXACTLY how much fuel is left in my tank. See links below.....
    https://www.basspro.com/shop/en/lowr...E&gclsrc=aw.ds

    https://www.boatersland.com/lowrance...hoCOb4QAvD_BwE

  4. Member
    Join Date
    Oct 2019
    Location
    Drums PA
    Posts
    696
    #4
    Quote Originally Posted by Fireball View Post
    Most boat supplied TACH are crap. I had mine replaced twice and have given up on it. Now I have a Lowrance Interface Cable from the outboard motor to my NMEA 2000 backbone and read the TACH on my Lowrance GPS/FF. Also many other info supplied to my GPS/FF and now since I added a Lowrance FDM I can read how much fuel I used and EXACTLY how much fuel is left in my tank. See links below.....
    https://www.basspro.com/shop/en/lowr...E&gclsrc=aw.ds

    https://www.boatersland.com/lowrance...hoCOb4QAvD_BwE
    Does this work on a 2020 G1 E TEC?
    2020 Vexus AVX 1880
    Evinrude E-Tec 135 HO
    Ultrex
    Lowrance

  5. Member
    Join Date
    Sep 2021
    Location
    Salem, wi
    Posts
    785
    #5
    Yes as long as you connect the Evinrude engine into to N2K network. You can buy an Evinrude interface cable thru Lowrance or Evinrude

  6. Member
    Join Date
    Aug 2015
    Location
    New Bedford,MA
    Posts
    2,681
    #6
    Present gauge a system check? Or is it an I-command gauge?
    Mike

    2019 Ranger 520L w/ 250HO ETEC G2
    2011 Tracker 175TXW w/ 75HO ETEC

  7. Member
    Join Date
    Aug 2011
    Location
    Erie
    Posts
    2,418
    #7
    Quote Originally Posted by zaprod71 View Post
    Does this work on a 2020 G1 E TEC?
    YES........I'm sorry I didn't include the Engine Interface Cable that is also needed....

    https://leadersrpmshop.com/johnson-e...xoCzdIQAvD_BwE