{"product_id":"oem-goodman-12-pin-wiring-harness-for-amh80704bnac-0259f00018","title":"OEM Goodman 12-Pin Wiring Harness for AMH80704BNAC — 0259F00018","description":"\u003ch2\u003eGoodman 0259F00018 12-Pin Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe Goodman 0259F00018 is a genuine OEM 12-pin wiring harness for the Amana \u003cstrong\u003eAMH80704BNAC\u003c\/strong\u003e 80% AFUE gas furnace and compatible Goodman\/Amana models. This factory-terminated harness links the integrated furnace control board to the gas valve, limit switches, and ignition circuit through a keyed 12-pin connector. Rodent damage, heat-brittled insulation, or a melted\/corroded connector can cause intermittent operation, error codes, or a completely dead furnace — replacing the harness restores clean, reliable connections.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: 12-pin control wiring harness\u003c\/li\u003e\n\u003cli\u003eConnector: Keyed OEM 12-position plug\u003c\/li\u003e\n\u003cli\u003eFunction: Control board to gas valve \/ limits \/ ignition circuit\u003c\/li\u003e\n\u003cli\u003eWire: Pre-terminated, color-coded, high-temperature rated\u003c\/li\u003e\n\u003cli\u003eFits: Amana AMH80704BNAC and compatible Goodman 80% furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM 0259F00018 arrives pre-wired with the correct pin-out, wire colors, and connector keying, so it plugs directly into the board and mating components with no splicing. Building an equivalent from generic wire and terminals risks pin-out errors that can damage the control board or create a fire hazard. For a plug-and-play, code-correct repair, use the OEM harness.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty: Moderate\u003c\/h3\u003e\u003cp\u003eRated \u003cstrong\u003eModerate\u003c\/strong\u003e (3\/5). De-energize the furnace, photograph the existing routing, then unplug the harness at each keyed connector and transfer one connection at a time to avoid mix-ups. Takes 20–30 minutes; label leads if you disconnect several at once.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057613029747,"sku":"GOODMAN-5364","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-12-pin-wiring-harness-for-amh80704bnac-0259f00018","provider":"National HVAC Parts","version":"1.0","type":"link"}