{"product_id":"oem-goodman-5-pin-wiring-harness-for-aph1543m41ca-b1378701","title":"OEM Goodman 5-Pin Wiring Harness for APH1543M41CA — B1378701","description":"\u003cp\u003eThe Goodman B1378701 is a genuine OEM 5-pin wiring harness for the \u003cstrong\u003eAPH1543M41CA\u003c\/strong\u003e heat pump. This compact, factory-terminated harness connects a specific sub-circuit — such as a sensor, motor, or accessory lead — to the unit's control board using a keyed 5-pin plug. Because every connector is pre-crimped and correctly gauged at the factory, it installs as a direct plug-in with no cutting or splicing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1378701\u003c\/li\u003e\n\u003cli\u003eFits Model: APH1543M41CA (Heat Pump)\u003c\/li\u003e\n\u003cli\u003eConnector: 5-pin plug\u003c\/li\u003e\n\u003cli\u003eType: Low-voltage control \/ component wiring harness\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eEven a small harness must match its connector's keying and pin assignment exactly. The OEM B1378701 mates precisely with the factory receptacle so polarity and signal routing are guaranteed correct. Generic pigtails require manual crimping and pinning, which is a common source of intermittent electrical faults.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate.\u003c\/strong\u003e With the disconnect off, unplug the failed harness and click the replacement into the same location. Take a reference photo before removal. No refrigerant handling is involved, making this a manageable job for a confident DIYer, though a technician is advised if the fault is unclear.\u003c\/p\u003e\u003cp\u003eCompatible with Goodman APH1543M41CA heat pumps. Match the 5-pin connector and model number before ordering.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058289590643,"sku":"GOODMAN-15648","price":11.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-5-pin-wiring-harness-for-aph1543m41ca-b1378701","provider":"National HVAC Parts","version":"1.0","type":"link"}