Tachometer installation??
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This is a discussion on Tachometer installation?? within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; Where is our: 1. Ignition coil, or Tach feed 2. access to the ignition switch Thanks, Dave...

  1. #1
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    Question Tachometer installation??

    Where is our:

    1. Ignition coil, or Tach feed
    2. access to the ignition switch

    Thanks,
    Dave

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  3. #2
    Registered User djrez4's Avatar
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    Engine speed wire should be tapped off of the ECU. Ravensblade WRX has the ECU pinouts on their website, here

    The ignition is accessed under the driver's side dash. It's the set of blue plugs down there. Look up a turbo timer installation, as it involves both of the wires you're asking about. Here are some pics of a turbo timer install involving the ignition harness.
    Deliberating enclaves of like-minded people are often a breeding ground for extreme movements - Cass Sunstein

  4. #3
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    How do I get to the ECU?

  5. #4
    Registered User djrez4's Avatar
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    It's under the passenger side footwell. Take out the floormat and pull up the carpet.
    Deliberating enclaves of like-minded people are often a breeding ground for extreme movements - Cass Sunstein

  6. #5
    Registered User Root's Avatar
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    My WRX came with a tach in the dash next to speedo, didn't yours?
    Good judgement comes from experience,
    and experience comes from bad judgement.

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