{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1543m41ba-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1543M41BA — B1378700","description":"\u003ch2\u003eGenuine Goodman B1378700 16-Pin Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe Goodman B1378700 is a factory OEM 16-pin wiring harness that connects the control board to the major electrical components in \u003cstrong\u003eAPH1543M41BA\u003c\/strong\u003e series heat pumps. Over time, harness connectors can corrode, melt at a pin, or crack from heat and vibration, causing intermittent faults and no-heat\/no-cool conditions. This genuine harness restores clean, factory-spec connections with the correct pin count, gauge, and connector keying.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1378700\u003c\/li\u003e\n\u003cli\u003ePart Type: Main Control Wiring Harness\u003c\/li\u003e\n\u003cli\u003eConnector: 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003eFits Model: APH1543M41BA Heat Pump\u003c\/li\u003e\n\u003cli\u003eFit: Direct OEM replacement — plug-and-play\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGenuine Goodman harnesses use the exact connector body and pin arrangement, so they seat fully and lock without back-probing or splicing. Generic or hand-built harnesses risk mis-pinned connections that can damage the control board. For anything carrying control and line voltage, OEM is the safe path.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate.\u003c\/strong\u003e Largely plug-and-play — unplug the old harness, route the new one along the same path, and click each connector into place. Photograph connections before removal and disconnect power first. About 20–30 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058289328499,"sku":"GOODMAN-15641","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1543m41ba-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}