Other Compatible: 12484912, 12368385. Carquest RUC1181 (Part #12450354). Interchange Part Number: 16173860. Newer GM Superseded Part: 12368388. 16061602, STK6994J. HVAC Blower Motor Resistor. That's when they are internally Shorted out- which makes the Blower Motor stay on High when the key is off.
