{"product_id":"oem-goodman-12-pin-wiring-harness-for-amh80453axaa-furnace-0259f00018","title":"OEM Goodman 12-Pin Wiring Harness for AMH80453AXAA Furnace — 0259F00018","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e0259F00018\u003c\/strong\u003e is a genuine OEM 12-pin wiring harness engineered as a direct-fit replacement for the Goodman\/Amana \u003cstrong\u003eAMH80453AXAA\u003c\/strong\u003e gas furnace and compatible 80% AFUE models. This factory harness carries low-voltage control signals between the integrated furnace control board and the ignition, blower, and safety circuits, ensuring reliable communication throughout the heating cycle.\u003c\/p\u003e\u003cp\u003eOver time, harness connectors can suffer from heat fatigue, corroded pins, or melted insulation near the burner assembly, causing intermittent no-heat faults, error codes, or dead components. Replacing the harness with the exact OEM part restores clean, positive connections without the guesswork of splicing individual wires.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConnector: 12-pin factory plug\u003c\/li\u003e\n\u003cli\u003eApplication: Low-voltage furnace control harness\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMH80453AXAA and compatible 80% AFUE furnaces\u003c\/li\u003e\n\u003cli\u003eType: Direct-fit OEM replacement\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-rated wire with keyed connector housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine Goodman 0259F00018 uses factory-keyed connectors and correct wire gauges so it seats securely and matches the furnace's control-board pinout exactly. Generic or hand-built harnesses risk mis-pinning, loose fitment, and voided warranties. For a safety-critical gas appliance, the OEM harness is the reliable choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Disconnect power at the breaker before servicing. Photograph the existing routing, unplug the keyed connectors, and swap the harness following the original path. Basic hand tools and a service manual are recommended. If you are not comfortable working near the burner and control board, hire a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057602740595,"sku":"GOODMAN-5035","price":23.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-12-pin-wiring-harness-for-amh80453axaa-furnace-0259f00018","provider":"National HVAC Parts","version":"1.0","type":"link"}