Faria Beede Instruments Tachometer w/Digital Hourmeter 6000 RPM Gas Inboard Chesapeake White w/Stainless Steel Bezel 5"

Faria Beede Instruments Tachometer w/Digital Hourmeter 6000 RPM Gas Inboard Chesapeake White w/Stainless Steel Bezel 5". Electronic tachometers work by counting pulses generated by the ignition system alternator tach signal generator or magnetic pickup sender. These counts pulse tachometers are 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 ar