{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1648m41aa-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1648M41AA — B1378700","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1378700\u003c\/strong\u003e is a genuine OEM 16-pin wiring harness engineered for \u003cstrong\u003eAPH1648M41AA\u003c\/strong\u003e packaged heat pump systems. This harness carries the low-voltage control and sensor signals between the control board, contactor, and defrost circuit, restoring reliable communication throughout the unit. Damaged, corroded, or rodent-chewed harnesses are a common cause of intermittent operation, no-heat\/no-cool faults, and defrost errors — a direct OEM replacement eliminates the guesswork.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: B1378700\u003c\/li\u003e\n\u003cli\u003eConnector: 16-pin low-voltage harness\u003c\/li\u003e\n\u003cli\u003eFits model: APH1648M41AA (Goodman\/Amana heat pump)\u003c\/li\u003e\n\u003cli\u003eApplication: control board \/ contactor \/ defrost wiring\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGenuine OEM harnesses use factory pin-out mapping and correct gauge, insulation, and connector keying so it plugs in without modification. Generic aftermarket harnesses often require re-pinning or splicing and can introduce voltage-drop or arcing issues. For a control-circuit part, the OEM harness is the safest and fastest repair.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — 20–40 minutes. Requires disconnecting power at the breaker, photographing connections, and matching keyed plugs. Comfortable for experienced DIYers and standard for HVAC techs. Always de-energize the unit before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058299126131,"sku":"GOODMAN-15900","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1648m41aa-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}