tachometer

  1. wisetechscottt

    Tacho/Igniter Voltage - Want to get stock tach to work!

    Car = 87 7MGTE on AEM v1, DH61 igniter on stock coils Does anyone know the voltage on the wire that comes from the igniter to the Tach? I had read that the turbo tachometers received a 12 square wave signal, but I get nowhere near 12v when I volt test the tach wire on the DH61. ( or what...
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