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3 cylinder daihatsu tach

Discussion in 'Tips and Tricks' started by bumpas toy, Nov 13, 2008.

  1. DEG95DH

    DEG95DH Member

    Yep, I considered an inductive type, like you linked. But then I decided I wanted something that looked more tachy! I'll post more if/when I get it successfully installed.
  2. xtradinaire

    xtradinaire New Member

    I'd love to know if what you find. We'll be watching! :D
  3. DEG95DH

    DEG95DH Member

    Tach installed. Works great. I'm happy with its performance. Smooth moving needle. Everything is lit up nicely. I had trouble finding a 2" tach, so I'm glad I found this one!

    I liked the base that was provided. It has several "legs" that you can bend individually...which means I was able to contour it nicely for my curvy dash. I'm not usually a fan of sticker mounts, but this one is solid. And this small tach weighs nothing.


    Current link: Amazon.com: 2" Tachometer 52mm Tacho Gauge 7 Color Tinted Meter 0~8000 RPM Smoke Face 12 V : Automotive

    Should look something like this:


    For those with an engine like mine, here is the signal wire I used (the white one in the pic). I checked a few wires at the ECM, but never found one that worked. So I went all the way to the coil. This black plug connects to the coil (currently unplugged in picture, of course). The two white wires are the same (they are spliced together in the wire loom). The pic is obviously my set up in test mode...I was still looking for a signal at this point.

    Last edited: Jan 5, 2022
    Acerguy likes this.
  4. Bob Morris

    Bob Morris New Member

    I am wanting to install the same tach as the one above.

    My coil wire setup is different than what is pictured.

    I have a 2017 S510.

    Each coil has a 4 wire plug on it.

    I have tried to find a shop manual online, with no luck.

    Attached Files:

  5. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    have you looked near the ECM for the test wires. Not sure when they disappeared. But they were outputs from the ecm, to allow mechanics to attach a tachometer while working on the engine.
    Limestone likes this.
  6. Bob Morris

    Bob Morris New Member

    I went and looked again, didn’t see any obvious test wires. And everything is so nice and neat right now, so I don’t want to start prying into the harness.

    I saw in another thread where someone had found a tach that plugs into the OBD port. So I’ve been in contact with the seller on eBay, trying to get him the right vehicle number so he can make sure it’ll work.

    A little pricey at $450, but it’ll give you other info besides rpm’s such as water temp and oil pressure
  7. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    You can buy Wi-Fi dongles which go in tthe OBD port and link to your phone, and set up gauges for anything the ECM monitors. they aren’t very expensive.

    There are also gauge/instrument clusters on eBay, and Amazon that let you have a selection of gauges, to reflect just about any data the ECM is gathering..
    Bob Morris likes this.
  8. Bob Morris

    Bob Morris New Member

    Awesome! Just ordered one. Hopefully it’s not too difficult to set up. Thanks for the info!

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