4" Tachometer (4000 RPM) J1939 Compatible without Pressure Port - Euro Black with Stainless Steel Bezel
Hole Size: 4" gauge (3.375" [85mm] mounting hole)
Perimeter-lighted black dial with bold white graphics, black aluminum SAE style bezel, contoured white pointer and flat glass lens.
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 hte 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.
- Gauge Type: Tachometer
- Gauge Size: 4"
- Box Set: No
- Series: Euro Black
- Box Dimensions: 4"H x 4"W x 4"L WT: 0.95 lbs
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