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Thread: ma70 electrical speedo signal

  1. #1
    Junior Member 1st year Apprentice
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    Default ma70 electrical speedo signal

    hey guys, i'm looking for where to pick up an electrical speedo signal in an ma70. now this isn't a normal ma70 i've put in an 1jz and A340 out of a soarer. i've been able to convert the electronic speedo sender in the gearbox to a mechanical one so the original dash speedo will work (hopefully when i get a custom cable made) so i just need a place to pick up an electrical signal so i can connect it to the ECU.

    cheers
    dan

  2. #2
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: ma70 electrical speedo signal

    The 7mge (or 7mgte) ECU also had a speed sensor input, and this signal came from the dash.

    If/when you get the speedo in the dash working you'll be able to send the signal that went to the stock ECU to the new 1JZ ecu

    The wire is marked as "SPD" (shown on the below diagram taken from the TSRM for 7mge)

    http://www.cygnusx1.net/Supra/Librar...aspx?S=FI&P=31



    Also:
    http://www.autoshop101.com/forms/h36.pdf

    Cheers
    Wilbo
    Wilbo's Wiki (Includes 2JZ-GTE Wiring, etc! )

    Wilbo's JZA80
    Wilbo's JZZ12

  3. #3
    Junior Member 1st year Apprentice
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    Default Re: ma70 electrical speedo signal

    thanks wilbo, i may struggle to find it as before the 1jz was installed it had a wolf 3d installed on the 7m (i think that both installs were a bit of a novice affair) . so when i take the cluster out to install the new speedo cable where should i look to find this speedo signal wire???

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