{"product_id":"oem-goodman-b1378700-16-pin-wiring-harness-for-aepf18301aa-b1378700-1","title":"OEM Goodman B1378700 16-Pin Wiring Harness for AEPF18301AA — B1378700","description":"\u003ch2\u003eGoodman B1378700 16-Pin Wiring Harness\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1378700\u003c\/strong\u003e is the 16-pin main wiring harness for the \u003cstrong\u003eAEPF18301AA\u003c\/strong\u003e air handler. This high-density connector carries the primary control and power signals between the integrated board and the blower assembly. Over years of heat cycling, harness connectors can discolor, loosen, or develop high-resistance terminals — replacing the full harness is the cleanest fix and eliminates guesswork on individual pins.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: B1378700\u003c\/li\u003e\n\u003cli\u003eType: 16-pin main wiring harness\u003c\/li\u003e\n\u003cli\u003eCompatible Model: Goodman AEPF18301AA Air Handler\u003c\/li\u003e\n\u003cli\u003ePre-terminated, factory-keyed connector\u003c\/li\u003e\n\u003cli\u003eDirect OEM-fit replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM\u003c\/strong\u003e B1378700 ships pre-terminated with correct wire colors and gauge, so it lands in the right port the first time. \u003cstrong\u003eGeneric\u003c\/strong\u003e 16-pin harnesses risk mismatched pinouts that can damage the control board. With this many conductors, OEM accuracy matters — we recommend it.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty: Moderate\u003c\/h3\u003e\u003cp\u003eRoughly 20–30 minutes. Power off at the breaker, photograph the routing, release the locking tabs, and reseat the new harness fully until it clicks. Matching the routing keeps wires clear of the blower wheel. Suited to a confident DIYer or technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057247699315,"sku":"GOODMAN-1227","price":23.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-b1378700-16-pin-wiring-harness-for-aepf18301aa-b1378700-1","provider":"National HVAC Parts","version":"1.0","type":"link"}