{"product_id":"tisco-ammeter-gauge-30-0-30-amp-direct-fit-2-panel-replacement-for-vintage-tractors","title":"TISCO Ammeter Gauge 30-0-30 Amp — Direct-Fit 2\" Panel Replacement for Vintage Tractors","description":"\u003cp\u003e\u003cstrong\u003eThe TISCO A0NN10670A Ammeter Gauge is a direct-fit 30-0-30 amp replacement instrument designed to restore accurate charging system readouts on vintage tractors and industrial equipment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, non-luminous ammeter is built to slide into a standard 2-inch panel hole and matches numerous OEM part numbers so you can replace worn or missing gauges without modifying the dash. Manufactured to fit many Allis-Chalmers, Case, Ford, International Harvester and Massey Ferguson models, it brings a familiar dial and needle response back to older electrical systems.\u003c\/p\u003e\n\n\u003ch3\u003eWill this ammeter fit my tractor dashboard?\u003c\/h3\u003e\n\u003cp\u003eYes — the TISCO A0NN10670A is made for a 2-inch diameter mounting hole and covers a long list of original equipment numbers. Check the part numbers and your dash cutout measurement to confirm compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting: designed for 2\" panel hole installation\u003c\/li\u003e\n  \u003cli\u003eCompatibility: replaces many OE numbers (see full list in product specs)\u003c\/li\u003e\n  \u003cli\u003eForm factor: standard round gauge with rear-terminals for wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow accurate and readable is the gauge in daily use?\u003c\/h3\u003e\n\u003cp\u003eThe face displays a 30-0-30 amp scale, giving a clear center-zero reference that helps you quickly judge charging vs. discharging. It’s a mechanical\/electrical gauge meant to provide straightforward, reliable indications of system current under normal operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScale: 30 amps positive to 30 amps negative, center-zero\u003c\/li\u003e\n  \u003cli\u003eVisibility: non-luminous dial suitable for daylight and shaded cabins\u003c\/li\u003e\n  \u003cli\u003eNeedle response: direct and immediate for routine monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tractors and equipment list this ammeter as compatible?\u003c\/h3\u003e\n\u003cp\u003eThis replacement fits a wide range of classic tractors and industrial machines from several manufacturers. Use the compatibility list to cross-reference your existing part number or vehicle model to ensure a match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAllis-Chalmers: 170, 190, B, C, D10–D21 series, WC, WD45, WF\u003c\/li\u003e\n  \u003cli\u003eCase: S, SC, SO, VA series\u003c\/li\u003e\n  \u003cli\u003eFord: 2N, 8N, 9N, 600–900, NAA\/Jubilee\u003c\/li\u003e\n  \u003cli\u003eInternational Harvester \u0026amp; Massey Ferguson: various tractor models including MF35, MF65, 454, 574\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat wiring and installation notes should I follow?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with tractor instrument panels. Ensure correct terminal connections and secure mounting; if you’re unsure, consult a service manual or an experienced technician to avoid miswiring the charging circuit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrical: connect positive\/negative and field sensing wires to matching terminals\u003c\/li\u003e\n  \u003cli\u003eMounting hardware: fits flush into a 2\" hole, typically held by the gauge bezel and rear clamp\u003c\/li\u003e\n  \u003cli\u003eSafety tip: disconnect the battery before wiring to prevent shorts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This TISCO ammeter is ideal for owners, restorers and mechanics working on vintage tractors and light industrial equipment that require an accurate 30-0-30 amp panel gauge. It’s particularly useful when replacing missing, damaged or non-functional original gauges while preserving the vehicle’s original look and dash layout. If you need a direct-fit, widely compatible ammeter that matches many OEM part numbers and mounts in a standard 2-inch hole, this gauge provides a practical and economical solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the TISCO A0NN10670A fit a 2-inch hole?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is designed for a standard 2-inch diameter dashboard cutout for direct replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What amperage range does this gauge display?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The gauge reads from -30 to +30 amperes with a center-zero indicator.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TISCO","offers":[{"title":"Default Title","offer_id":48084335329438,"sku":"B015X6IT9O","price":29.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tisco-ammeter-front-face.jpg?v=1785850512","url":"https:\/\/northtrailauto.ca\/products\/tisco-ammeter-gauge-30-0-30-amp-direct-fit-2-panel-replacement-for-vintage-tractors","provider":"North Trail Auto","version":"1.0","type":"link"}