{"product_id":"oem-goodman-5-pin-wiring-harness-for-wgph4543amab-b1378701-1","title":"OEM Goodman 5-Pin Wiring Harness for WGPH4543AMAB — B1378701","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1378701 5-Pin Wiring Harness\u003c\/strong\u003e is a genuine OEM secondary harness for \u003cstrong\u003eGoodman WGPH4543AMAB\u003c\/strong\u003e packaged gas\/electric units. This shorter 5-conductor harness typically serves a sub-circuit such as the blower, igniter, or limit\/pressure controls. When pins corrode or insulation chafes, you get nuisance lockouts and intermittent faults — this drop-in replacement restores a clean factory connection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1378701\u003c\/li\u003e\n\u003cli\u003eConnector: 5-pin keyed plug\u003c\/li\u003e\n\u003cli\u003ePart Type: Low-voltage control wiring harness\u003c\/li\u003e\n\u003cli\u003eWire: Color-coded, factory-crimped terminals\u003c\/li\u003e\n\u003cli\u003eFits Model: WGPH4543AMAB\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM B1378701 ships with the exact 5-pin housing and pin-out, so it seats into the matching plug without modification. Generic alternatives mean hand-crimping each terminal and risking a reversed pin. For dependable control wiring, OEM is the recommended fit.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5)\u003c\/strong\u003e — Disconnect power first. Unplug both keyed ends, route the new harness identically, and press the connectors home until they latch. Typically 15–25 minutes with no special tools.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057210147187,"sku":"GOODMAN-1042","price":16.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-5-pin-wiring-harness-for-wgph4543amab-b1378701-1","provider":"National HVAC Parts","version":"1.0","type":"link"}