{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1648m41ab-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1648M41AB — B1378700","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM replacement connector assembly engineered for \u003cstrong\u003eAPH1648M41AB\u003c\/strong\u003e packaged heat pump units. This harness ties the control board, sensors, and low-voltage circuits together through a keyed 16-pin plug, ensuring correct polarity and a secure, weather-resistant connection that resists vibration and thermal cycling common to outdoor packaged equipment.\u003c\/p\u003e\u003cp\u003eA damaged, brittle, or corroded harness is a frequent cause of intermittent no-heat, no-cool, and fault-code conditions. Replacing it with the exact factory part restores clean signal continuity without the guesswork of splicing individual leads.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1378700\u003c\/li\u003e\n\u003cli\u003eConnector: 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003eType: Low-voltage control wiring harness\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana APH1648M41AB heat pump\u003c\/li\u003e\n\u003cli\u003eEquipment: Packaged Heat Pump\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat- and abrasion-rated insulated conductors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM harness guarantees exact pin-out, conductor gauge, and connector fit — no adapters, no field re-pinning. Generic universal harnesses often require cutting and crimping, introducing failure points and voiding fit-based warranties. For a plug-and-play repair, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate.\u003c\/strong\u003e A basic repair for an HVAC technician: disconnect power, photograph the routing, unplug the old harness, and seat the new connector until it clicks. Always shut off power at the disconnect before servicing. Professional installation recommended if you are unfamiliar with low-voltage control circuits.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058299322739,"sku":"GOODMAN-15905","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1648m41ab-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}