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Thread: factory digital tach

  1. #1
    Join Date
    Mar 2013
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    Default factory digital tach

    Some time back I saw a post that someone had added a diode to the tach. this was to have it read correctly for a v8, anyone remembers the post? someone mentioned "archive"?

  2. #2
    Join Date
    Feb 2012
    Grand Rapids, MI
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    7 (100%)


    That won't do anything. You can try to make the tach accurate with one of these. The problem is that our Tachs are for V6's, because they come from Aerostar. Our cars (with digitachs) have V8's. The Dakota Digital interface interprets the 8 cyl tach signal coming from the coil, and then sends a 6 cyl tach signal to the cluster. In this way, the interface corrects the number of pulses so that the tach is accurate. You'll have to program it, as the unit is meant to be universal.
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