{"product_id":"faria-beede-instruments-33718","title":"Faria Chesapeake Black 4\" Tachometer - 7000 RPM (Gas) (All Outboards)","description":"\u003cp\u003e\u003cstrong\u003eChesapeake Black 4\" Tachometer - 7000 RPM (Gas) (All Outboards)\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.\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","brand":"Faria Beede Instruments","offers":[{"title":"Default Title","offer_id":45253434507446,"sku":"FAR\/33718","price":122.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/6584\/6966\/files\/54619XL.jpg?v=1783734998","url":"https:\/\/ampedupmarine.com\/products\/faria-beede-instruments-33718","provider":"Amped Up Marine","version":"1.0","type":"link"}