TACH-ADAPT V3.5

This Adapter is easy to install with straightforward switch settings and a diagnostic LED feature that shows it is locked to the trigger signal from your ignition and sending a solid output to your tachometer. Pulse rate conversion makes it possible to match your vintage tach to 4, 6 or 8-cylinder engines. Pulse restoration makes it possible to trigger your tach properly from modified ignition systems. Pulse filtering cleans up trigger waveforms, eliminating erratic behavior. Small size makes it easy to locate/hide in the vehicle. (2 x 1.5 x 1 inch) Provides an output signal that is compatible with most old and new voltage-triggered tachometers. Accepts input from conventional ignition as well as most modern engine control systems.