{"product_id":"tisco-ammeter-gauge-30-0-30a-for-2-panel-cutout-direct-fit-tractor-replacement-rear-terminal","title":"TISCO Ammeter Gauge 30-0-30A for 2\" Panel Cutout — Direct-Fit Tractor Replacement, Rear-Terminal","description":"\u003cp\u003e\u003cstrong\u003eThe Tisco A0NN10670A ammeter gauge is a direct-fit 30‑0‑30 amp electrical meter built to replace original tractor ammeters and monitor charging system current.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, non‑luminous instrument is designed for a 2-inch panel cutout and replaces many legacy part numbers across major farm-tractor brands. Its straightforward needle display lets you see charging or discharging currents at a glance, helping you spot wiring or charging issues before they become major problems. The housing and electrical terminals match common OEM layouts so installation is typically simple for hobbyists and professionals alike.\u003c\/p\u003e\n\n\u003ch3\u003eWill this gauge fit my tractor’s dashboard?\u003c\/h3\u003e\n\u003cp\u003eCheck the physical cutout and mounting style first — this model requires a 2\" diameter hole and standard back-terminals used by older tractors. It was manufactured as a replacement for numerous OEM part numbers, so cross-reference your original part or the models list to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePanel hole size: 2 inches diameter\u003c\/li\u003e\n  \u003cli\u003eMount type: rear terminals and retaining nut\u003c\/li\u003e\n  \u003cli\u003eReplacement for many OEM codes (see product notes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich tractors are supported by this replacement ammeter?\u003c\/h3\u003e\n\u003cp\u003eThe Tisco A0NN10670A covers a wide range of classic agricultural machines from several manufacturers. Instead of a single model, it’s compatible with numerous tractors from Allis‑Chalmers, Ford, Case, International Harvester, and Massey Ferguson, especially older series that used the same electrical gauge format.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAllis‑Chalmers: models such as B, C, WC, WD45 and more\u003c\/li\u003e\n  \u003cli\u003eFord: 8N, 9N, NAA\/Jubilee, plus 600–900 series\u003c\/li\u003e\n  \u003cli\u003eCase and International Harvester utility and industrial tractors\u003c\/li\u003e\n  \u003cli\u003eMassey Ferguson: MF35, MF65, Super 90 and similar models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and wire this ammeter safely?\u003c\/h3\u003e\n\u003cp\u003eInstallation involves securing the gauge in the 2\" panel opening and connecting the positive and negative terminals according to your tractor’s wiring diagram. If you’re unsure about polarity or battery connections, consult a wiring schematic for your specific make and model or have a qualified technician complete the hookup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn off battery power before wiring\u003c\/li\u003e\n  \u003cli\u003eConnect charging output to the meter’s charge terminal and battery feed to the battery terminal\u003c\/li\u003e\n  \u003cli\u003eUse correct terminal hardware and insulate connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical range and display features does it offer?\u003c\/h3\u003e\n\u003cp\u003eThis non‑illuminated gauge displays current on a symmetric 30‑0‑30 amp scale, showing both charge and discharge conditions. The analog needle makes trends immediately visible; there’s no internal lighting, which is typical for original equipment style replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScale: 30 amps charging to 30 amps discharging with zero center\u003c\/li\u003e\n  \u003cli\u003eNon‑luminous face for authentic vintage appearance\u003c\/li\u003e\n  \u003cli\u003eDurable needle movement suited to agricultural environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Tisco A0NN10670A is aimed at owners and restorers of classic tractors, fleet maintainers, and mechanics who need a reliable OEM‑style ammeter for older equipment. If you’re restoring a vintage tractor, replacing a failed original gauge, or standardizing instruments across a workshop fleet, this unit provides a faithful fit and familiar reading scale without modern digital complexity.\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 need a 2-inch panel hole?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is designed for a 2\" diameter cutout used by many classic tractor dashboards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this ammeter replace my original OEM part number?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces many legacy part numbers; compare your original code to the product cross‑reference to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TISCO","offers":[{"title":"Default Title","offer_id":55163539652951,"sku":"B015X6IT9O","price":32.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/tisco-ammeter-front-face.jpg?v=1790345248","url":"https:\/\/britishgarage.co.uk\/products\/tisco-ammeter-gauge-30-0-30a-for-2-panel-cutout-direct-fit-tractor-replacement-rear-terminal","provider":"British Garage","version":"1.0","type":"link"}