{"product_id":"faria-4-heavy-duty-tachometer-4000-rpm-diesel-mag-pick-up-black-w-black-bezel","title":"Faria 4\" Heavy-Duty Tachometer (4000 RPM) (Diesel) Mag Pick-Up - Black w\/Black Bezel","description":"\u003cp\u003e\u003cstrong\u003e4\" Heavy-Duty Tachometer (4000 RPM) (Diesel) Mag Pick-Up - Black with Black Bezel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHole Size:\u003c\/strong\u003e 4\" gauge (3.375\" [85mm] mounting hole)\u003c\/p\u003e\u003cp\u003ePerimeter-lighted black dial with bold white graphics, black aluminum SAE style bezel, contoured white pointer and flat glass lens.\u003c\/p\u003e\u003cp\u003eElectronic 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.\u003c\/p\u003e\u003cp\u003eBy 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide range of scales\u003c\/li\u003e\n\u003cli\u003eAvailable for gas or diesel engines\u003c\/li\u003e\n\u003cli\u003eMultiple signal sources\u003c\/li\u003e\n\u003cli\u003eAnti-scratch glass lens\u003c\/li\u003e\n\u003cli\u003ePlastic Cases for corrosion resistance and long life\u003c\/li\u003e\n\u003cli\u003eBlack with Black Bezel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Online Fishing Store","offers":[{"title":"Default Title","offer_id":50851289170215,"sku":"759266430006","price":122.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/9654\/0711\/files\/medium_4d87c6d9-ed24-41de-ba47-0f04c6e054c6.jpg?v=1767482181","url":"https:\/\/theonlinefishingstore.com\/products\/faria-4-heavy-duty-tachometer-4000-rpm-diesel-mag-pick-up-black-w-black-bezel","provider":"The Online Fishing Store","version":"1.0","type":"link"}