{"product_id":"faria-chesapeake-black-4-tachometer-4000-rpm-diesel","title":"Faria Chesapeake Black 4\" Tachometer - 4000 RPM (Diesel) - 33742","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChesapeake Black 4\" Tachometer - 4000 RPM (Diesel)  (Mechanical Takeoff \u0026amp; Var Ratio Alt)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePerimeter-lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured white pointer and domed glass lens.\u003c\/p\u003e\u003cp\u003eElectronic 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 above.\u003c\/p\u003e\u003cp\u003eBy 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.\u003c\/p\u003e\u003cp\u003e4\" - Hole size: 3.375\" (85mm)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eAnti-scratch glass lens\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePerimeter lighted back light\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e12 VDC negative ground\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eCan be adapted for 24 VDC systems\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cp\u003eFactory P\/N TD9127\u003c\/p\u003e\u003cp\u003e*Sold as an Individual\u003c\/p\u003e\u003cp\u003e**Gauge Cover not Included\u003c\/p\u003e\u003cstrong\u003eThis product may not be returned to the original point of purchase.  Please contact the manufacturer directly with any issues or concerns.\u003c\/strong\u003e","brand":"Faria Beede Instruments","offers":[{"title":"Default Title","offer_id":48010532389172,"sku":"54620","price":141.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/0575\/7748\/files\/faria-chesapeake-black-4-tachometer-4000-rpm-diesel-988144.jpg?v=1718211834","url":"https:\/\/bldmarine.com\/products\/faria-chesapeake-black-4-tachometer-4000-rpm-diesel","provider":"BLDMarine","version":"1.0","type":"link"}