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Do I need a Signal Filter, or a High Energy Ignition Signal Filter?Updated 6 months ago

A tachometer filter transforms poor, weak or disordered pulse signals and corrects them by stripping out leading or trailing pulse signal interference.

Systems that require a signal filter include, but are not limited to the following:

  • Single coil ignition systems
  • Point style coil ignition systems
  • Historic vehicles with vintage electrical systems and components
  • Vehicles with weak, strained or stressed electrical systems

The H.E.I. Tachometer Signal Filter would be required for an accurate reading on vehicles using a High Energy Ignition System.

If you are unable to determine which Signal Filter is required on your vehicle, please feel free to contact our Technical Support department for assistance. 

Note:

Tachometer Signal Filter will only work with GlowShift Gauges and not guaranteed to work with other applications.

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