{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1660m41aa-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1660M41AA — B1378700","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1378700 16-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM connector assembly designed for \u003cstrong\u003eAPH1660M41AA\u003c\/strong\u003e heat pump systems. This 16-pin harness carries the control-board connections that tie together the sensors, safety switches, and relays inside the unit. Replacing a cracked, corroded, or heat-damaged original with the factory harness restores clean signal and power paths and prevents the intermittent faults that come from failing terminals.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1378700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Heat Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e APH1660M41AA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Direct-replacement control wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine Goodman harness uses correctly keyed connectors, factory-matched terminals, and properly rated wire so every pin lands in the right position and the plug locks securely. With a 16-pin connector, a single mis-seated or undersized terminal can trigger baffling intermittent faults. OEM construction removes that risk and makes the swap plug-and-play.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e A straightforward electrical swap — kill power at the breaker, unplug the old harness, route and firmly seat the replacement, and confirm the connector clicks fully home. No special tools needed. Verify power is off before servicing, and consult a licensed HVAC professional if you are unsure of your model or connections.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058299650419,"sku":"GOODMAN-15914","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1660m41aa-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}