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  1. Altezza Owner's Forum
    Trying to wire in a TACH out of my SXE10 3SGE ECU. To my understanding pin D26 is the TACH output pin. I can put a multimeeter on it, set to AC, and i get a constant 14.4V. When revving the engine I see no change in Voltage. Is the ECU pin dead? Am I missing something?
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