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Tachometer

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Jets1992

New member
Oct 29, 2020
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Aftermarket tach, universal fit. No specific wiring instructions.
Correction, there is an instruction for power, ground, light power and tach impulse. Which wire is tach impulse?
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Junior Member
Aug 12, 2005
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Phoenix, AZ 85008-1418
Usually the tach impulse would be connected to the ignition coil distributor side of a traditional ignition system from the 1980s and earlier.

The problem for a 1996 Lincoln is it has a coil pack which will not work. There is no distributor.
I have heard of connecting to an alternator. But that was a marine application.

The data (Engine RPM) is data that is known in the electronic engine control system.

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Norms1stTC

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Aug 12, 2020
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Correction, there is an instruction for power, ground, light power and tach impulse. Which wire is tach impulse?
If you have COPS, I think you'll need a tach adapter,but I'm not positive on this . This has to do with converting the signal to a different wave so the tach can understand and read it.
 

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Junior Member
Aug 12, 2005
928
458
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Phoenix, AZ 85008-1418
Model year 1996 still used the two ignition coil blocks for the 4.6l engine.
COPS was a few years off.
And still some type of adapter would be needed.
Or a way to tap into the crankshaft sensor without causing signal issues to the PCM.

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