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Thread: Tacho help

  1. #1
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    Default Tacho help

    Hi im running wasted spark with pig back ecu i think. My rpm comes up on the hand controller but i want my stock tacho to work can someone post up how to make my tacho stock work again for dummies.



    Cheers Matt

  2. #2
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    You need to make a tacho booster it think


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    Mk, is there a relay that doesn't require modification or a different way.

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    Yes, read the link I posted, all is explained on the first page

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    What car? what engine? is the tacho output coming from the piggyback??
    i used a normal relay on mine and it worked fine, just have to be careful connecting them up so you don't damage your stock tacho

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    Ae86 4agte, also can someone tell me which pin the rpm is on the dash and ecu please

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    Edit, My bad just saw u have a 86, not sure if its the same as ke70
    Last edited by adds; 16th April 2013 at 06:39 PM.

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    Na the plugs are different

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    Ok so if your running an aftermarket ecu then you need to change the output signal type from ur ecu. I bought a dakota digital off ebay and im just waiting for it to get here. But maybe you could jig some shit up like it.

    Check it out

    item.mobileweb.ebay.com.au/viewitem?itemId=251261197149&index=3&nav=SEARCH&ni d=04482564456

    If it doesnt work just ebay dakota digital and see the universal signal interface

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    Ok cheers

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