{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1543m41ab-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1543M41AB — B1378700","description":"\u003ch2\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman B1378700\u003c\/strong\u003e is a genuine OEM 16-pin wiring harness built for the \u003cstrong\u003eAPH1543M41AB\u003c\/strong\u003e packaged heat pump and related Goodman\/Amana units. It carries low-voltage control and sensor signals between the main control board and the unit's components. Cracked insulation, melted connectors, or corroded pins cause intermittent faults, no-heat\/no-cool calls, and error codes — a fresh factory harness with the correct pinout eliminates that guesswork.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1378700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 16-pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Low-voltage control wiring harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e APH1543M41AB heat pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Packaged Heat Pump\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eSplicing a generic harness risks mismatched pin positions, incorrect wire gauge, and unreliable crimps at the board connector. The OEM B1378700 uses the factory 16-pin housing, correct color-coded conductors, and pre-terminated pins — it plugs straight in with no rewiring or reference to schematics.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Cut power at the disconnect first. Photograph the existing routing, unplug the old harness at both ends, and route the replacement along the same path away from hot or moving parts. Roughly 30–45 minutes. A wiring diagram is helpful but the keyed connectors prevent misinsertion.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFits Goodman\/Amana APH1543M41AB. Verify your control board connector before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058288869747,"sku":"GOODMAN-15626","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1543m41ab-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}