Faria Chesapeake White SS 4 Tachometer w/Systemcheck Indicator - 7,000 RPM (Gas - Johnson/Evinrude Outboard)

Chesapeake White SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas - Johnson/Evinrude Outboard)Tachometers work by counting pulses generated by the ignition system alternator tach signal generator or magnetic pickup sender. The tach is hooked up to +12VDC Ground and one of the signal sources listed above.By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution.These tachometers have a warning light system built into the dial that show off warning indicators when a fault is detected from the engine.SystemCheck warningsNo OilEngine OverheatCheck EngineLow Oil Product : FARIA CHESAPEAKE WHITE SS 4" TACHOMETER W/ SYSTEMCHECK GAS Manufacturer : FARIA BEEDE INSTRUMENTS Manufacturer Part No : 33850 UPC : 745425338504