harlequin2 what car do you have? It won't output the direct pulse train to the dash tach. The high pulse count is for crank position. The ecu in my bwm had one of these but still outputted a 12v 2 pulse per rev signal to the tach. Hence i could use an industrail prox sensor to drive it directly.
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
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