{"product_id":"oem-goodman-16-pin-wiring-harness-for-aph1648h41aa-b1378700","title":"OEM Goodman 16-Pin Wiring Harness for APH1648H41AA — B1378700","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1378700 16-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM wiring assembly built for the \u003cstrong\u003eAPH1648H41AA\u003c\/strong\u003e heat pump. This harness carries the low-voltage control and sensor connections between the main control board and the unit's components, terminating in a keyed 16-pin connector for a fast, error-free plug-and-play installation. Brittle insulation, melted connectors, or corroded pins can cause intermittent faults, no-heat\/no-cool calls, and error codes — replacing the harness restores clean, reliable signal continuity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1378700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 16-pin keyed plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit:\u003c\/strong\u003e Low-voltage control \/ sensor wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e APH1648H41AA (and compatible Goodman\/Amana units)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Heat Pump control wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e The OEM harness uses the correct wire gauge, color coding, pin-out, and connector keying to match the APH1648H41AA control board exactly. Universal or hand-built harnesses risk mismatched pin-outs and loose terminals that lead to nuisance faults. OEM ensures the connector seats fully and the circuit map is correct.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Difficulty: Moderate.\u003c\/strong\u003e With power fully disconnected, photograph the existing routing, unplug the 16-pin connector and any inline terminals, then route and seat the new harness following the original path. Verify every connection is fully latched before restoring power. Basic hand tools required.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058298601843,"sku":"GOODMAN-15887","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-16-pin-wiring-harness-for-aph1648h41aa-b1378700","provider":"National HVAC Parts","version":"1.0","type":"link"}