Faria Euro Black 4" Tachometer 4,000 Rpm (Diesel - Magnetic Pick-Up)

Euro Black 4" Tachometer - 4,000 Rpm (Diesel - Magnetic Pick-Up)- 4" - Hole Size: 3.375" (85Mm). Electronic Tachometers Work By Counting Pulses Generated By The Ingition 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 Postion You Let The Tachometer Know How Many Pulses Are Sent Per Each Engine Revolution.. Benefirts:-. Wide Range Of Scales. Multiple Signal Sources. Rugged, Reliable Construction. Faria Euro Black 4" Tachometer - 4,000 Rpm (Diesel - Magnetic Pick-Up). Faria Euro Black 4" Tachometer 4000 Rpm Diesel Magnetic. Boat Outfitting. Gauges,Marine Instruments. Gauges. Faria Beede Instruments32803. 759266328037.