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The Goodman 10690402S Interlock Door Switch is a genuine OEM blower-compartment safety switch for the Amana AMES960805CUAA gas furnace. It cuts 120V power to the furnace whenever the blower access panel is removed, protecting technicians and homeowners from live components and the spinning blower wheel during service.
The genuine 10690402S uses the exact plunger throw and mounting geometry of the factory bracket, so the panel seats and the furnace powers up reliably. Generic switches often have mismatched actuator length, leaving the furnace dead even with the door closed. OEM ensures proper safety interlock and no callbacks.
Easy (2/5) — Snap out the old switch, transfer the two spade connectors, and snap in the replacement. Kill power at the breaker first and verify the furnace starts once the panel is reinstalled.