Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Outdoor The other end of the

The other end of the cable is bare

Diameter 80 mm / 3

Great helper and safety precaution for the downrigger fisherman

Fully submersible

Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Outdoor The other end of theChesapeake Black SS 4" Tachometer w Systemcheck Indicator 7000 RPM (Gas) (Johnson Evinrude Outboard) Perimeter lighted Black 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.