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The Goodman B1378701 5-Pin Wiring Harness is a genuine OEM connector assembly built for the Goodman AEPT060-00C-1 air handler. This compact 5-position harness carries control and accessory signals between the air handler's board and its components with a secure, keyed fit. If you're chasing an intermittent fault, a no-heat/no-cool condition, or a melted plug, swapping in a fresh factory harness restores a clean electrical path without field splicing.
As a genuine OEM Goodman part, this harness matches the original connector keying, pin count, and wire gauge exactly. Generic harnesses frequently demand re-pinning or cutting into factory wiring, risking warranty issues and unreliable joints. The OEM harness installs as a true plug-and-play replacement.
Easy to Moderate — Cut power at the disconnect first. Unplug the old harness and click the new one into place. Minimal tools required. Estimated time: 10–20 minutes.