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The Goodman 10690402S Interlock Door Switch is the genuine OEM blower-door safety switch for the AMVC961005DNBA furnace. This normally-open interlock cuts 24V/line power to the furnace whenever the blower access panel is removed, preventing the unit from operating with the door off. A failed door switch is a frequent cause of a completely dead furnace that gets no power at the control board.
The OEM switch matches the exact plunger throw, mounting hole pattern, and contact rating of the original, so the door depresses it correctly on reassembly. Generic switches often have the wrong actuation depth, leaving the furnace dead even with the panel on. The factory 10690402S restores dependable interlock operation.
Easy (2/5) — One or two screws and two wire terminals inside the blower compartment. Disconnect power first. Confirm the door depresses the plunger fully after installation.