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Chesapeake White SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas - Johnson/Evinrude Outboard)
Perimeter-lighted White dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed glass lens.
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.
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.
4" - Hole size: 3.375" (85mm)
For Engine Types:
Factory P/N TC9881
*Sold as an Individual
**Gauge Cover not Included
|Color:||Blue, Purple, White|