Running Board Controller Power Board 19 04280 STA Remote Control Module Power for A04 A06 Controllers 1Fitment: Running board controller power board is fit for A04 and A06 controllers, please confirm whether your model is applicable before buying. 2OE Number: The part number of controller power board for reference is 19 04280 STA, please confirm whether it is consistent with the OE you need. 3Function: The controller power board enables manual deployment or retraction of your automatic steps, irrespective of your actions with the vehicle's doors. 4Convenient: Running boards can be safely retracted out of the way during off roading, while they can be deployed for vehicle washing or loading purposes. 5Compatible Powerstep: The controller power board is compatible for AMP Research PowerStep, PowerStep XL and PowerStep XTreme electric running boards.