{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1543m41ac-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1543M41AC — B1378700","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM replacement connector assembly engineered for the \u003cstrong\u003eAPH1543M41AC\u003c\/strong\u003e heat pump. This main harness routes low-voltage control and sensor signals between the outdoor control board and the unit's contactor, reversing valve, and defrost circuits. Age, vibration, and heat can crack connector housings or corrode pins over time — replacing the harness restores clean, reliable connections without cutting or splicing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConnector: 16-pin keyed factory plug\u003c\/li\u003e\n\u003cli\u003eApplication: Goodman\/Amana heat pump control circuit\u003c\/li\u003e\n\u003cli\u003eCompatibility: APH1543M41AC (verify against your unit's parts list)\u003c\/li\u003e\n\u003cli\u003eType: Low-voltage control harness\u003c\/li\u003e\n\u003cli\u003eFit: Direct OEM plug-and-play replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003egenuine Goodman OEM harness\u003c\/strong\u003e uses factory-spec wire gauge, insulation ratings, and keyed connectors that seat correctly the first time. Generic or universal harnesses often require re-pinning, are prone to loose fits, and can trip nuisance fault codes. For control circuits, OEM fit prevents intermittent faults that are difficult to diagnose in the field.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Easy.\u003c\/strong\u003e Disconnect power at the disconnect, unplug the old harness at both keyed connectors, route the new harness along the original path, and click each plug into place. Typically a 10–15 minute repair for a technician. Always confirm power is off before servicing a heat pump.\u003c\/p\u003e\u003cp\u003eBacked by genuine Goodman quality and fast shipping.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058289164659,"sku":"GOODMAN-15635","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1543m41ac-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}