{"product_id":"oem-goodman-hsi-wiring-harness-for-gmp125-4-furnace-2568416","title":"OEM Goodman HSI Wiring Harness for GMP125-4 Furnace — 2568416","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 2568416 HSI Wiring Harness\u003c\/strong\u003e is the genuine OEM hot-surface-ignitor wiring assembly for \u003cstrong\u003eGoodman GMP125-4\u003c\/strong\u003e gas furnaces. It carries the high-current path to the ignitor and integrates the factory connectors that mate to the control board and igniter. Heat-hardened, chafed, or melted harnesses are a common no-ignition cause on aging furnaces.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 2568416\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hot surface ignitor (HSI) wiring harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMP125-4 gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Factory terminals\/connectors, high-temp lead insulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOEM 2568416 arrives pre-terminated with the exact plugs and lead lengths the furnace expects — plug-and-play, no crimping or splicing. Building a harness from generic wire risks connector mismatch, wrong gauge, and inadequate high-temp rating near the burner box. For an ignition-critical circuit, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — disconnect furnace power first, then photograph and swap connectors one at a time to preserve routing. No refrigerant or gas work required.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eConfirm your furnace uses a hot surface ignitor and reads model GMP125-4 before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058137809267,"sku":"GOODMAN-11912","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-hsi-wiring-harness-for-gmp125-4-furnace-2568416","provider":"National HVAC Parts","version":"1.0","type":"link"}