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The Goodman B1378701 5-Pin Wiring Harness is a genuine OEM connector assembly for the Goodman APH1530M41BA heat pump and compatible Goodman/Amana units. This 5-position harness links a control or sensor circuit to the main board, delivering clean low-voltage signals. Overheated terminals, loose pins, or damaged insulation lead to erratic operation and nuisance lockouts — a factory-fresh harness eliminates the guesswork.
A genuine OEM Goodman harness plugs directly into the factory socket with the correct pin map and wire gauge. Generic replacements often force you to splice and re-pin, raising the risk of miswiring and repeat failures. For a dependable control connection, OEM is the right call.
Easy (1 of 5) — Disconnect power, unplug the keyed connector, route the new harness the same way, and click it into place. No special tools or splicing needed — most installs take under 20 minutes.