{"product_id":"oem-lennox-wire-harness-49w90","title":"OEM Lennox Wire Harness — 49W90","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e49W90\u003c\/strong\u003e wire harness provides the factory-terminated wiring that links your control board to the motors, switches, and sensors throughout your Lennox unit. Built to exact factory specifications, it arrives with the proper connectors and conductor lengths so you can restore clean electrical connections without cutting, splicing, or crimping custom terminals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e When a harness begins to fail you may experience intermittent component operation, unexplained fault codes, flickering or dead accessories, or a system that won't start at all. Rodent damage, chafing against sheet metal, and heat-related insulation breakdown are frequent culprits — often showing up as discolored jackets, exposed copper, or corroded connector pins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The Lennox \u003cstrong\u003e49W90\u003c\/strong\u003e is manufactured with the correct gauge, temperature-rated insulation, and keyed plugs that mate only with their intended sockets, eliminating the wrong-pinout and overheating risks of generic wiring. Choosing the OEM harness ensures a true plug-and-play installation and brings your Lennox equipment's electrical system back to original factory integrity.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081141404019,"sku":"LNX-49W90","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-wiring-harness-multipin-LNX-49W90.jpg?v=1783764155","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-wire-harness-49w90","provider":"National HVAC Parts","version":"1.0","type":"link"}