{"product_id":"axm-100-high-voltage-tach-adapter","title":"AXM-100 High Voltage Tach Adapter","description":"\u003cp data-start=\"204\" data-end=\"581\"\u003eMany classic tachometers—especially those from the 1970s and earlier—were designed to trigger off the \u003cstrong data-start=\"306\" data-end=\"348\"\u003enegative terminal of the ignition coil\u003c\/strong\u003e, relying on a \u003cstrong data-start=\"363\" data-end=\"385\"\u003ehigh-voltage spike\u003c\/strong\u003e rather than a modern 0–12V square wave. If your vintage tachometer refuses to respond to an ECU’s tach output (such as from MS3Pro, MicroSquirt, or MSPNP Gen 2), the \u003cstrong data-start=\"552\" data-end=\"563\"\u003eAXM-100\u003c\/strong\u003e is your solution.\u003c\/p\u003e\n\u003cp data-start=\"583\" data-end=\"738\"\u003eThis adapter \u003cstrong data-start=\"596\" data-end=\"640\"\u003esteps up low-voltage square wave signals\u003c\/strong\u003e to mimic the original coil-induced voltage spike, ensuring compatibility with older analog tachs.\u003c\/p\u003e\n\u003ch2 data-start=\"745\" data-end=\"761\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"763\" data-end=\"807\"\u003eThe AXM-100 is ideal for vehicles including:\u003c\/p\u003e\n\u003cul data-start=\"809\" data-end=\"953\"\u003e\n\u003cli data-start=\"809\" data-end=\"849\"\u003e\n\u003cp data-start=\"811\" data-end=\"849\"\u003e\u003cstrong data-start=\"811\" data-end=\"835\"\u003eAmerican muscle cars\u003c\/strong\u003e (1960s–1970s)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"850\" data-end=\"891\"\u003e\n\u003cp data-start=\"852\" data-end=\"891\"\u003e\u003cstrong data-start=\"852\" data-end=\"873\"\u003eEuropean classics\u003c\/strong\u003e (up to the 1970s)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"892\" data-end=\"953\"\u003e\n\u003cp data-start=\"894\" data-end=\"953\"\u003e\u003cstrong data-start=\"894\" data-end=\"911\"\u003eJapanese cars\u003c\/strong\u003e (1980s and some 1990s, especially Toyota)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"960\" data-end=\"976\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"978\" data-end=\"1426\"\u003e\n\u003cli data-start=\"978\" data-end=\"1067\"\u003e\n\u003cp data-start=\"980\" data-end=\"1067\"\u003eConverts \u003cstrong data-start=\"989\" data-end=\"1026\"\u003e0–12V or 0–5V tach output signals\u003c\/strong\u003e to high-voltage coil-equivalent spikes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1153\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1153\"\u003eWorks with \u003cstrong data-start=\"1081\" data-end=\"1091\"\u003eMS3Pro\u003c\/strong\u003e, \u003cstrong data-start=\"1093\" data-end=\"1107\"\u003eMS3Pro PNP\u003c\/strong\u003e, \u003cstrong data-start=\"1109\" data-end=\"1124\"\u003eMicroSquirt\u003c\/strong\u003e, \u003cstrong data-start=\"1126\" data-end=\"1141\"\u003eMSPNP Gen 2\u003c\/strong\u003e, and more\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1154\" data-end=\"1236\"\u003e\n\u003cp data-start=\"1156\" data-end=\"1236\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1181\"\u003eAmphenol AT connector\u003c\/strong\u003e (Deutsch DT compatible) for robust motorsport wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1237\" data-end=\"1314\"\u003e\n\u003cp data-start=\"1239\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1239\" data-end=\"1263\"\u003eConformal-coated PCB\u003c\/strong\u003e protects against moisture and harsh environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1315\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1426\"\u003e\u003cstrong data-start=\"1317\" data-end=\"1335\"\u003eNot compatible\u003c\/strong\u003e with current-triggered tachometers (those connected to the coil’s \u003cstrong data-start=\"1402\" data-end=\"1423\"\u003epositive terminal\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1433\" data-end=\"1455\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"1457\" data-end=\"1641\"\u003e\n\u003cli data-start=\"1457\" data-end=\"1508\"\u003e\n\u003cp data-start=\"1459\" data-end=\"1508\"\u003eDesigned for dry environments—\u003cstrong data-start=\"1489\" data-end=\"1508\"\u003edo not submerge\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1509\" data-end=\"1586\"\u003e\n\u003cp data-start=\"1511\" data-end=\"1586\"\u003eWire inline with your ECU’s tach output and the original tachometer input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1587\" data-end=\"1641\"\u003e\n\u003cp data-start=\"1589\" data-end=\"1641\"\u003eMount securely with adequate strain relief on wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMP","offers":[{"title":"Default Title","offer_id":67726771585192,"sku":"AXM-100","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/0308\/8040\/files\/axm-100_1.jpg?v=1792769150","url":"https:\/\/trackprepperformance.com\/products\/axm-100-high-voltage-tach-adapter","provider":"TrackPrep Performance","version":"1.0","type":"link"}