A tachometer filter transforms poor, weak or disordered pulse signals and corrects them by stripping out leading or trailing pulse signal interference.
This interference often confuses aftermarket instruments and causes them to act defective or erratic. After the signal has been filtered and rectified, it is then conditioned before it exits the end of the filter circuit to the new output.
A multitude of other applications may exist where an RPM signal needs to be corrected before it is fed to an aftermarket instrument such as a GlowShift Tachometer. The filter should be used when installing any GlowShift Tachometer Gauge, Digital Tachometers with Shift Lights or a Programmable Barrel Shift Light device. If you experience issues or inaccuracies with your instruments this is more than likely the solution you have been looking for!
A tach filter may be necessary when any device utilizes a vehicle’s engine RPM pulse signal that is of less than optimal quality for instrument analysis. Such systems include, but are not limited to the following:
Includes an installation guide which is available online and included with your order. You can also visit our library of installation videos which include complete step-by-step tutorials and useful tips on how to install a wide range of GlowShift products.
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