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The Goodman 10690402S is a genuine OEM blower-door interlock safety switch for the AMVM971005CNBA and compatible AMVM97 / GMVM97 furnaces. This plunger-style switch de-energizes the furnace whenever the blower access panel is removed, preventing the burners and blower from operating with the cabinet open. A furnace that is completely dead — no display, no blower, no ignition — after service work often has a stuck or failed door switch.
The OEM 10690402S matches the exact plunger travel and bracket position required so the door reliably closes the circuit. Generic switches may sit at the wrong depth, leaving the furnace dead even with the panel installed. OEM is recommended for this safety-critical part.
Easy (2/5) — One or two screws and two wires inside the blower compartment. Cut power at the disconnect, replace, and verify the plunger depresses fully when the door is refitted. About 15–20 minutes.