Which of these is the right tach driver circuit for a 96
07-01-2008, 05:29 PM
#1
Which of these is the right tach driver circuit for a 96
I don't have a tach signal with my standalone 96 MSI 3.0 install. Can someone advice which of these circuits would work? thanks.
http://www.msextra.com/manuals/MS_Ex...l.htm#tachoout
http://www.msextra.com/manuals/MS_Ex...l.htm#tachoout
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07-01-2008, 06:03 PM
#2
Boost Pope
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The first one, labeled "A low voltage tacho out..." with only one resistor, should work. The stock tach signal on the NA is just a simple 0-12v squarewave (might be 0-5v on the ECU-driven cars) that goes high once per ignition event. It's not a very finicky circuit in terms of duty cycle or exact amplitude.
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