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The genuine OEM Goodman 0259F00022 female wiring harness is a direct-fit replacement for the DMP125-52AA gas furnace. This factory-terminated harness carries the pre-crimped female connector and lead wires used to link furnace components — such as the control board, gas valve, igniter, or blower circuit — with the correct gauge, insulation, and keyed plug. Melted connectors, brittle insulation, intermittent connections, or heat-discolored terminals are all reasons to replace the harness rather than splice it.
The genuine OEM 0259F00022 uses the exact terminal type, keying, and wire gauge the DMP125-52AA control system expects, so it seats securely with no splicing. Generic harnesses or universal terminal kits force you to crimp and match colors by hand, which invites poor connections and future heat damage. OEM is the cleaner, safer fix.
Easy to Moderate (2/5). Most installs are a plug-and-play swap of the keyed connector. Photograph the routing before removal and confirm each lead lands on the same terminal. Shut off power at the breaker before servicing, and inspect the mating male connector for heat damage while you are in there.
Covered by our DMP125-52AA fitment guarantee. Contact info@nationalhvacparts.com for help.