{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1549m41ca-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1549M41CA — B1378700","description":"\u003ch2\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe Goodman B1378700 is a genuine OEM 16-pin wiring harness built for the APH1549M41CA Amana\/Goodman package heat pump. This main control harness carries low-voltage and control signals between the unit's control board, defrost board, and connected components through a keyed 16-position connector. A cracked connector, melted pin, or rodent-damaged harness can cause intermittent operation, defrost faults, or a no-run condition — this factory replacement restores clean, reliable connections.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Control wiring harness\u003c\/li\u003e\n\u003cli\u003eConnector: 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003eFunction: Control-board and component interconnect wiring\u003c\/li\u003e\n\u003cli\u003eFit: Amana\/Goodman APH1549M41CA package heat pump\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1378700\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM B1378700 uses the correct pin-out, wire colors, gauge, and connector keying to match the control board exactly — a plug-and-play replacement with no splicing or guesswork. Universal harnesses require hand-terminating each wire, introducing miswire and connection-failure risk. For control wiring, genuine OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Disconnect power, photograph and unplug the old harness, route and connect the new one to matching terminals. No refrigerant work. Time: 30–60 minutes; basic wiring familiarity helps.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058291786099,"sku":"GOODMAN-15703","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1549m41ca-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}