{"product_id":"oem-goodman-wiring-harness-for-gmt070-4-furnace-b1225020","title":"OEM Goodman Wiring Harness for GMT070-4 Furnace — B1225020","description":"\u003ch2\u003eGoodman B1225020 Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1225020\u003c\/strong\u003e wiring harness is the genuine OEM electrical connection assembly for the \u003cstrong\u003eGMT070-4\u003c\/strong\u003e gas furnace. This pre-terminated harness links the control board, gas valve, igniter, and safety circuits with factory-correct connectors and gauge, restoring reliable low-voltage and line-voltage continuity throughout the furnace. If your furnace is throwing intermittent faults, showing corroded or melted plugs, or has damaged conductors from rodents or heat, a fresh harness eliminates the guesswork of chasing loose or burnt connections.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1225020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Furnace wiring harness assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e GMT070-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e Factory-matched plug terminations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGenuine OEM harnesses use the exact connector bodies, pin counts, and wire colors your GMT070-4 expects, so it plugs in without splicing or re-pinning. Generic or universal harnesses often require cutting, crimping, and re-labeling — introducing failure points in a safety-critical circuit. For a furnace, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Requires disconnecting power, photographing existing routing, and matching each plug. Most experienced DIYers complete it in 30–45 minutes; if you are unsure about furnace wiring, hire a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058157764979,"sku":"GOODMAN-12320","price":9.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-wiring-harness-for-gmt070-4-furnace-b1225020","provider":"National HVAC Parts","version":"1.0","type":"link"}