{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1636m41aa-heat-pump-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1636M41AA Heat Pump — B1378700","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM replacement connector loom engineered for the Goodman \u003cstrong\u003eAPH1636M41AA\u003c\/strong\u003e heat pump and closely related Goodman\/Amana packaged units. This harness carries the low-voltage control and sensor signals between the unit control board and its connected components. Over time, wiring harnesses fail from vibration fatigue, rodent damage, corroded pins, or heat-related insulation breakdown — symptoms include intermittent operation, no-call faults, or a unit that won't respond to the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1378700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e APH1636M41AA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Heat Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Low-voltage control harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Goodman \u0026amp; Amana branded units using this connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a true \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e harness with the correct pin-out, keying, and wire gauge. Generic aftermarket harnesses often use thinner conductors or mismatched connector keying that can lead to backed-out pins and recurring faults. For control wiring, we recommend OEM to guarantee a plug-and-play fit and reliable signal integrity.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e No crimping or splicing required — the harness unplugs from the existing connectors. Always disconnect power at the breaker before servicing. Photograph the routing before removal and match connector orientation on reassembly. A qualified HVAC technician can complete this in 20–40 minutes.\u003c\/p\u003e\u003cp\u003eAll parts are backed by our fitment guarantee. Confirm your model number before ordering to ensure a correct match.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058297160051,"sku":"GOODMAN-15845","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1636m41aa-heat-pump-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}