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The Goodman 0259F00008P is a genuine OEM 15-pin male wiring harness engineered for GDS81155CNA gas furnaces. This factory connector links the integrated furnace control board to the blower and low-voltage circuits, delivering the exact pin-out and gauge Goodman specified. A worn, melted, or corroded harness causes intermittent operation, no-heat calls, and error codes — replacing it with the correct OEM part restores a reliable factory connection.
This is the genuine Goodman OEM harness with the correct keyed connector, pin spacing, and wire gauge — guaranteeing a plug-and-play fit. Universal aftermarket harnesses often require splicing or pin re-terminating, which introduces failure points and can void warranty coverage. For a connector this critical, OEM is the safe choice.
Easy (1 of 5). Disconnect power, unplug the old harness, and seat the replacement. Basic DIY skill; no special tools required. Always cut power at the breaker before servicing.